^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Backlight driver for Analog Devices ADP8870 Backlight Devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2009-2011 Analog Devices Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/pm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/backlight.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/platform_data/adp8870.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define ADP8870_EXT_FEATURES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define ADP8870_USE_LEDS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define ADP8870_MFDVID 0x00 /* Manufacturer and device ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define ADP8870_MDCR 0x01 /* Device mode and status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define ADP8870_INT_STAT 0x02 /* Interrupts status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define ADP8870_INT_EN 0x03 /* Interrupts enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define ADP8870_CFGR 0x04 /* Configuration register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define ADP8870_BLSEL 0x05 /* Sink enable backlight or independent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define ADP8870_PWMLED 0x06 /* PWM Enable Selection Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define ADP8870_BLOFF 0x07 /* Backlight off timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define ADP8870_BLDIM 0x08 /* Backlight dim timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define ADP8870_BLFR 0x09 /* Backlight fade in and out rates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define ADP8870_BLMX1 0x0A /* Backlight (Brightness Level 1-daylight) maximum current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define ADP8870_BLDM1 0x0B /* Backlight (Brightness Level 1-daylight) dim current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define ADP8870_BLMX2 0x0C /* Backlight (Brightness Level 2-bright) maximum current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define ADP8870_BLDM2 0x0D /* Backlight (Brightness Level 2-bright) dim current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define ADP8870_BLMX3 0x0E /* Backlight (Brightness Level 3-office) maximum current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define ADP8870_BLDM3 0x0F /* Backlight (Brightness Level 3-office) dim current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define ADP8870_BLMX4 0x10 /* Backlight (Brightness Level 4-indoor) maximum current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define ADP8870_BLDM4 0x11 /* Backlight (Brightness Level 4-indoor) dim current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define ADP8870_BLMX5 0x12 /* Backlight (Brightness Level 5-dark) maximum current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define ADP8870_BLDM5 0x13 /* Backlight (Brightness Level 5-dark) dim current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define ADP8870_ISCLAW 0x1A /* Independent sink current fade law register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define ADP8870_ISCC 0x1B /* Independent sink current control register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define ADP8870_ISCT1 0x1C /* Independent Sink Current Timer Register LED[7:5] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define ADP8870_ISCT2 0x1D /* Independent Sink Current Timer Register LED[4:1] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define ADP8870_ISCF 0x1E /* Independent sink current fade register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define ADP8870_ISC1 0x1F /* Independent Sink Current LED1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define ADP8870_ISC2 0x20 /* Independent Sink Current LED2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define ADP8870_ISC3 0x21 /* Independent Sink Current LED3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define ADP8870_ISC4 0x22 /* Independent Sink Current LED4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define ADP8870_ISC5 0x23 /* Independent Sink Current LED5 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define ADP8870_ISC6 0x24 /* Independent Sink Current LED6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define ADP8870_ISC7 0x25 /* Independent Sink Current LED7 (Brightness Level 1-daylight) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define ADP8870_ISC7_L2 0x26 /* Independent Sink Current LED7 (Brightness Level 2-bright) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define ADP8870_ISC7_L3 0x27 /* Independent Sink Current LED7 (Brightness Level 3-office) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define ADP8870_ISC7_L4 0x28 /* Independent Sink Current LED7 (Brightness Level 4-indoor) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define ADP8870_ISC7_L5 0x29 /* Independent Sink Current LED7 (Brightness Level 5-dark) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define ADP8870_CMP_CTL 0x2D /* ALS Comparator Control Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define ADP8870_ALS1_EN 0x2E /* Main ALS comparator level enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define ADP8870_ALS2_EN 0x2F /* Second ALS comparator level enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define ADP8870_ALS1_STAT 0x30 /* Main ALS Comparator Status Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define ADP8870_ALS2_STAT 0x31 /* Second ALS Comparator Status Register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define ADP8870_L2TRP 0x32 /* L2 comparator reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define ADP8870_L2HYS 0x33 /* L2 hysteresis */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define ADP8870_L3TRP 0x34 /* L3 comparator reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define ADP8870_L3HYS 0x35 /* L3 hysteresis */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define ADP8870_L4TRP 0x36 /* L4 comparator reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define ADP8870_L4HYS 0x37 /* L4 hysteresis */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define ADP8870_L5TRP 0x38 /* L5 comparator reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define ADP8870_L5HYS 0x39 /* L5 hysteresis */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define ADP8870_PH1LEVL 0x40 /* First phototransistor ambient light level-low byte register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define ADP8870_PH1LEVH 0x41 /* First phototransistor ambient light level-high byte register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define ADP8870_PH2LEVL 0x42 /* Second phototransistor ambient light level-low byte register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define ADP8870_PH2LEVH 0x43 /* Second phototransistor ambient light level-high byte register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define ADP8870_MANUFID 0x3 /* Analog Devices AD8870 Manufacturer and device ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define ADP8870_DEVID(x) ((x) & 0xF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define ADP8870_MANID(x) ((x) >> 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) /* MDCR Device mode and status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define D7ALSEN (1 << 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define INT_CFG (1 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define NSTBY (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define DIM_EN (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define GDWN_DIS (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define SIS_EN (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define CMP_AUTOEN (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define BLEN (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* ADP8870_ALS1_EN Main ALS comparator level enable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define L5_EN (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define L4_EN (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define L3_EN (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define L2_EN (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define CFGR_BLV_SHIFT 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define CFGR_BLV_MASK 0x7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define ADP8870_FLAG_LED_MASK 0xFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define FADE_VAL(in, out) ((0xF & (in)) | ((0xF & (out)) << 4))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define BL_CFGR_VAL(law, blv) ((((blv) & CFGR_BLV_MASK) << CFGR_BLV_SHIFT) | ((0x3 & (law)) << 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define ALS_CMPR_CFG_VAL(filt) ((0x7 & (filt)) << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct adp8870_bl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct backlight_device *bl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct adp8870_led *led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct adp8870_backlight_platform_data *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) unsigned long cached_daylight_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) int revid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int current_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct adp8870_led {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct led_classdev cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) enum led_brightness new_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static int adp8870_read(struct i2c_client *client, int reg, uint8_t *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) ret = i2c_smbus_read_byte_data(client, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) *val = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static int adp8870_write(struct i2c_client *client, u8 reg, u8 val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) int ret = i2c_smbus_write_byte_data(client, reg, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) dev_err(&client->dev, "failed to write\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) static int adp8870_set_bits(struct i2c_client *client, int reg, uint8_t bit_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct adp8870_bl *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) ret = adp8870_read(client, reg, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (!ret && ((reg_val & bit_mask) != bit_mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) reg_val |= bit_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ret = adp8870_write(client, reg, reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) static int adp8870_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct adp8870_bl *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) ret = adp8870_read(client, reg, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (!ret && (reg_val & bit_mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) reg_val &= ~bit_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) ret = adp8870_write(client, reg, reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) * Independent sink / LED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) #if defined(ADP8870_USE_LEDS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static void adp8870_led_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) struct adp8870_led *led = container_of(work, struct adp8870_led, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) adp8870_write(led->client, ADP8870_ISC1 + led->id - 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) led->new_brightness >> 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) static void adp8870_led_set(struct led_classdev *led_cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) struct adp8870_led *led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) led = container_of(led_cdev, struct adp8870_led, cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) led->new_brightness = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) * Use workqueue for IO since I2C operations can sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) schedule_work(&led->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static int adp8870_led_setup(struct adp8870_led *led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct i2c_client *client = led->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) ret = adp8870_write(client, ADP8870_ISC1 + led->id - 1, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) ret = adp8870_set_bits(client, ADP8870_ISCC, 1 << (led->id - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) if (led->id > 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) ret = adp8870_set_bits(client, ADP8870_ISCT1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) (led->flags & 0x3) << ((led->id - 5) * 2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) ret = adp8870_set_bits(client, ADP8870_ISCT2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) (led->flags & 0x3) << ((led->id - 1) * 2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) static int adp8870_led_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) struct adp8870_backlight_platform_data *pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct adp8870_bl *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) struct adp8870_led *led, *led_dat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) struct led_info *cur_led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) led = devm_kcalloc(&client->dev, pdata->num_leds, sizeof(*led),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (led == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) ret = adp8870_write(client, ADP8870_ISCT1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) (pdata->led_on_time & 0x3) << 6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) ret = adp8870_write(client, ADP8870_ISCF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) FADE_VAL(pdata->led_fade_in, pdata->led_fade_out));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) for (i = 0; i < pdata->num_leds; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) cur_led = &pdata->leds[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) led_dat = &led[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) led_dat->id = cur_led->flags & ADP8870_FLAG_LED_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (led_dat->id > 7 || led_dat->id < 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) dev_err(&client->dev, "Invalid LED ID %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) led_dat->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) if (pdata->bl_led_assign & (1 << (led_dat->id - 1))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) dev_err(&client->dev, "LED %d used by Backlight\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) led_dat->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) led_dat->cdev.name = cur_led->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) led_dat->cdev.default_trigger = cur_led->default_trigger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) led_dat->cdev.brightness_set = adp8870_led_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) led_dat->cdev.brightness = LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) led_dat->flags = cur_led->flags >> FLAG_OFFT_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) led_dat->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) led_dat->new_brightness = LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) INIT_WORK(&led_dat->work, adp8870_led_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) ret = led_classdev_register(&client->dev, &led_dat->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) dev_err(&client->dev, "failed to register LED %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) led_dat->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) ret = adp8870_led_setup(led_dat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) dev_err(&client->dev, "failed to write\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) data->led = led;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) for (i = i - 1; i >= 0; --i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) led_classdev_unregister(&led[i].cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) cancel_work_sync(&led[i].work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) static int adp8870_led_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) struct adp8870_backlight_platform_data *pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) struct adp8870_bl *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) for (i = 0; i < pdata->num_leds; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) led_classdev_unregister(&data->led[i].cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) cancel_work_sync(&data->led[i].work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static int adp8870_led_probe(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) static int adp8870_led_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) static int adp8870_bl_set(struct backlight_device *bl, int brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) struct adp8870_bl *data = bl_get_data(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (data->pdata->en_ambl_sens) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) if ((brightness > 0) && (brightness < ADP8870_MAX_BRIGHTNESS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* Disable Ambient Light auto adjust */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) ret = adp8870_clr_bits(client, ADP8870_MDCR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) CMP_AUTOEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ret = adp8870_write(client, ADP8870_BLMX1, brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) * restore daylight l1 sysfs brightness
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) ret = adp8870_write(client, ADP8870_BLMX1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) data->cached_daylight_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ret = adp8870_set_bits(client, ADP8870_MDCR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) CMP_AUTOEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) ret = adp8870_write(client, ADP8870_BLMX1, brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) if (data->current_brightness && brightness == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) ret = adp8870_set_bits(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) ADP8870_MDCR, DIM_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) else if (data->current_brightness == 0 && brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) ret = adp8870_clr_bits(client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) ADP8870_MDCR, DIM_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) data->current_brightness = brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) static int adp8870_bl_update_status(struct backlight_device *bl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) return adp8870_bl_set(bl, backlight_get_brightness(bl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) static int adp8870_bl_get_brightness(struct backlight_device *bl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) struct adp8870_bl *data = bl_get_data(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) return data->current_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) static const struct backlight_ops adp8870_bl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) .update_status = adp8870_bl_update_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) .get_brightness = adp8870_bl_get_brightness,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) static int adp8870_bl_setup(struct backlight_device *bl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct adp8870_bl *data = bl_get_data(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) struct i2c_client *client = data->client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) struct adp8870_backlight_platform_data *pdata = data->pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ret = adp8870_write(client, ADP8870_BLSEL, ~pdata->bl_led_assign);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) ret = adp8870_write(client, ADP8870_PWMLED, pdata->pwm_assign);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) ret = adp8870_write(client, ADP8870_BLMX1, pdata->l1_daylight_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) ret = adp8870_write(client, ADP8870_BLDM1, pdata->l1_daylight_dim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (pdata->en_ambl_sens) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) data->cached_daylight_max = pdata->l1_daylight_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) ret = adp8870_write(client, ADP8870_BLMX2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) pdata->l2_bright_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) ret = adp8870_write(client, ADP8870_BLDM2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) pdata->l2_bright_dim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) ret = adp8870_write(client, ADP8870_BLMX3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) pdata->l3_office_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) ret = adp8870_write(client, ADP8870_BLDM3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) pdata->l3_office_dim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) ret = adp8870_write(client, ADP8870_BLMX4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) pdata->l4_indoor_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) ret = adp8870_write(client, ADP8870_BLDM4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) pdata->l4_indor_dim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) ret = adp8870_write(client, ADP8870_BLMX5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) pdata->l5_dark_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) ret = adp8870_write(client, ADP8870_BLDM5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) pdata->l5_dark_dim);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) ret = adp8870_write(client, ADP8870_L2TRP, pdata->l2_trip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) ret = adp8870_write(client, ADP8870_L2HYS, pdata->l2_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) ret = adp8870_write(client, ADP8870_L3TRP, pdata->l3_trip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) ret = adp8870_write(client, ADP8870_L3HYS, pdata->l3_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ret = adp8870_write(client, ADP8870_L4TRP, pdata->l4_trip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) ret = adp8870_write(client, ADP8870_L4HYS, pdata->l4_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) ret = adp8870_write(client, ADP8870_L5TRP, pdata->l5_trip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) ret = adp8870_write(client, ADP8870_L5HYS, pdata->l5_hyst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) ret = adp8870_write(client, ADP8870_ALS1_EN, L5_EN | L4_EN |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) L3_EN | L2_EN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) ret = adp8870_write(client, ADP8870_CMP_CTL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) ALS_CMPR_CFG_VAL(pdata->abml_filt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) ret = adp8870_write(client, ADP8870_CFGR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) BL_CFGR_VAL(pdata->bl_fade_law, 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) ret = adp8870_write(client, ADP8870_BLFR, FADE_VAL(pdata->bl_fade_in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) pdata->bl_fade_out));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) * ADP8870 Rev0 requires GDWN_DIS bit set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) ret = adp8870_set_bits(client, ADP8870_MDCR, BLEN | DIM_EN | NSTBY |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) (data->revid == 0 ? GDWN_DIS : 0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) static ssize_t adp8870_show(struct device *dev, char *buf, int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) error = adp8870_read(data->client, reg, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) return sprintf(buf, "%u\n", reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) static ssize_t adp8870_store(struct device *dev, const char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) size_t count, int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) ret = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) adp8870_write(data->client, reg, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) static ssize_t adp8870_bl_l5_dark_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) return adp8870_show(dev, buf, ADP8870_BLMX5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) static ssize_t adp8870_bl_l5_dark_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) return adp8870_store(dev, buf, count, ADP8870_BLMX5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) static DEVICE_ATTR(l5_dark_max, 0664, adp8870_bl_l5_dark_max_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) adp8870_bl_l5_dark_max_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) static ssize_t adp8870_bl_l4_indoor_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) return adp8870_show(dev, buf, ADP8870_BLMX4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) static ssize_t adp8870_bl_l4_indoor_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) return adp8870_store(dev, buf, count, ADP8870_BLMX4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) static DEVICE_ATTR(l4_indoor_max, 0664, adp8870_bl_l4_indoor_max_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) adp8870_bl_l4_indoor_max_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) static ssize_t adp8870_bl_l3_office_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return adp8870_show(dev, buf, ADP8870_BLMX3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) static ssize_t adp8870_bl_l3_office_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) return adp8870_store(dev, buf, count, ADP8870_BLMX3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) static DEVICE_ATTR(l3_office_max, 0664, adp8870_bl_l3_office_max_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) adp8870_bl_l3_office_max_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) static ssize_t adp8870_bl_l2_bright_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) return adp8870_show(dev, buf, ADP8870_BLMX2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) static ssize_t adp8870_bl_l2_bright_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) return adp8870_store(dev, buf, count, ADP8870_BLMX2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) static DEVICE_ATTR(l2_bright_max, 0664, adp8870_bl_l2_bright_max_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) adp8870_bl_l2_bright_max_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) static ssize_t adp8870_bl_l1_daylight_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) return adp8870_show(dev, buf, ADP8870_BLMX1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) static ssize_t adp8870_bl_l1_daylight_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) int ret = kstrtoul(buf, 10, &data->cached_daylight_max);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) return adp8870_store(dev, buf, count, ADP8870_BLMX1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) static DEVICE_ATTR(l1_daylight_max, 0664, adp8870_bl_l1_daylight_max_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) adp8870_bl_l1_daylight_max_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) static ssize_t adp8870_bl_l5_dark_dim_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) return adp8870_show(dev, buf, ADP8870_BLDM5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) static ssize_t adp8870_bl_l5_dark_dim_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) return adp8870_store(dev, buf, count, ADP8870_BLDM5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) static DEVICE_ATTR(l5_dark_dim, 0664, adp8870_bl_l5_dark_dim_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) adp8870_bl_l5_dark_dim_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) static ssize_t adp8870_bl_l4_indoor_dim_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) return adp8870_show(dev, buf, ADP8870_BLDM4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) static ssize_t adp8870_bl_l4_indoor_dim_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return adp8870_store(dev, buf, count, ADP8870_BLDM4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) static DEVICE_ATTR(l4_indoor_dim, 0664, adp8870_bl_l4_indoor_dim_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) adp8870_bl_l4_indoor_dim_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) static ssize_t adp8870_bl_l3_office_dim_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) return adp8870_show(dev, buf, ADP8870_BLDM3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) static ssize_t adp8870_bl_l3_office_dim_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) return adp8870_store(dev, buf, count, ADP8870_BLDM3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) static DEVICE_ATTR(l3_office_dim, 0664, adp8870_bl_l3_office_dim_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) adp8870_bl_l3_office_dim_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) static ssize_t adp8870_bl_l2_bright_dim_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) return adp8870_show(dev, buf, ADP8870_BLDM2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) static ssize_t adp8870_bl_l2_bright_dim_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) return adp8870_store(dev, buf, count, ADP8870_BLDM2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) static DEVICE_ATTR(l2_bright_dim, 0664, adp8870_bl_l2_bright_dim_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) adp8870_bl_l2_bright_dim_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) static ssize_t adp8870_bl_l1_daylight_dim_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) return adp8870_show(dev, buf, ADP8870_BLDM1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) static ssize_t adp8870_bl_l1_daylight_dim_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) return adp8870_store(dev, buf, count, ADP8870_BLDM1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) static DEVICE_ATTR(l1_daylight_dim, 0664, adp8870_bl_l1_daylight_dim_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) adp8870_bl_l1_daylight_dim_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) #ifdef ADP8870_EXT_FEATURES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) static ssize_t adp8870_bl_ambient_light_level_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) uint16_t ret_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) error = adp8870_read(data->client, ADP8870_PH1LEVL, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) if (error < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) ret_val = reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) error = adp8870_read(data->client, ADP8870_PH1LEVH, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) /* Return 13-bit conversion value for the first light sensor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) ret_val += (reg_val & 0x1F) << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return sprintf(buf, "%u\n", ret_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static DEVICE_ATTR(ambient_light_level, 0444,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) adp8870_bl_ambient_light_level_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) static ssize_t adp8870_bl_ambient_light_zone_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) error = adp8870_read(data->client, ADP8870_CFGR, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) if (error < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) return sprintf(buf, "%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) ((reg_val >> CFGR_BLV_SHIFT) & CFGR_BLV_MASK) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) static ssize_t adp8870_bl_ambient_light_zone_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) struct adp8870_bl *data = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) unsigned long val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) ret = kstrtoul(buf, 10, &val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) if (val == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) /* Enable automatic ambient light sensing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) adp8870_set_bits(data->client, ADP8870_MDCR, CMP_AUTOEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) } else if ((val > 0) && (val < 6)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) /* Disable automatic ambient light sensing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) adp8870_clr_bits(data->client, ADP8870_MDCR, CMP_AUTOEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) /* Set user supplied ambient light zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) ret = adp8870_read(data->client, ADP8870_CFGR, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) if (!ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) reg_val |= (val - 1) << CFGR_BLV_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) adp8870_write(data->client, ADP8870_CFGR, reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) static DEVICE_ATTR(ambient_light_zone, 0664,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) adp8870_bl_ambient_light_zone_show,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) adp8870_bl_ambient_light_zone_store);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) static struct attribute *adp8870_bl_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) &dev_attr_l5_dark_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) &dev_attr_l5_dark_dim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) &dev_attr_l4_indoor_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) &dev_attr_l4_indoor_dim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) &dev_attr_l3_office_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) &dev_attr_l3_office_dim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) &dev_attr_l2_bright_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) &dev_attr_l2_bright_dim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) &dev_attr_l1_daylight_max.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) &dev_attr_l1_daylight_dim.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) #ifdef ADP8870_EXT_FEATURES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) &dev_attr_ambient_light_level.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) &dev_attr_ambient_light_zone.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) static const struct attribute_group adp8870_bl_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) .attrs = adp8870_bl_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) static int adp8870_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) struct backlight_properties props;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) struct backlight_device *bl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) struct adp8870_bl *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) struct adp8870_backlight_platform_data *pdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) uint8_t reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) if (!i2c_check_functionality(client->adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) I2C_FUNC_SMBUS_BYTE_DATA)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) if (!pdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) dev_err(&client->dev, "no platform data?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) ret = adp8870_read(client, ADP8870_MFDVID, ®_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) if (ADP8870_MANID(reg_val) != ADP8870_MANUFID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) dev_err(&client->dev, "failed to probe\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) data->revid = ADP8870_DEVID(reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) data->pdata = pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) data->id = id->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) data->current_brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) i2c_set_clientdata(client, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) mutex_init(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) memset(&props, 0, sizeof(props));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) props.type = BACKLIGHT_RAW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) props.max_brightness = props.brightness = ADP8870_MAX_BRIGHTNESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) bl = devm_backlight_device_register(&client->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) dev_driver_string(&client->dev),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) &client->dev, data, &adp8870_bl_ops, &props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) if (IS_ERR(bl)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) dev_err(&client->dev, "failed to register backlight\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) return PTR_ERR(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) data->bl = bl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) if (pdata->en_ambl_sens) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) ret = sysfs_create_group(&bl->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) &adp8870_bl_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) dev_err(&client->dev, "failed to register sysfs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) ret = adp8870_bl_setup(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) backlight_update_status(bl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) dev_info(&client->dev, "Rev.%d Backlight\n", data->revid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) if (pdata->num_leds)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) adp8870_led_probe(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) if (data->pdata->en_ambl_sens)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) sysfs_remove_group(&data->bl->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) &adp8870_bl_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) static int adp8870_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) struct adp8870_bl *data = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) adp8870_clr_bits(client, ADP8870_MDCR, NSTBY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) if (data->led)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) adp8870_led_remove(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) if (data->pdata->en_ambl_sens)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) sysfs_remove_group(&data->bl->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) &adp8870_bl_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) static int adp8870_i2c_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) adp8870_clr_bits(client, ADP8870_MDCR, NSTBY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) static int adp8870_i2c_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) struct i2c_client *client = to_i2c_client(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) static SIMPLE_DEV_PM_OPS(adp8870_i2c_pm_ops, adp8870_i2c_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) adp8870_i2c_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) static const struct i2c_device_id adp8870_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) { "adp8870", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) MODULE_DEVICE_TABLE(i2c, adp8870_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) static struct i2c_driver adp8870_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) .name = KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) .pm = &adp8870_i2c_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) .probe = adp8870_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) .remove = adp8870_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) .id_table = adp8870_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) module_i2c_driver(adp8870_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) MODULE_AUTHOR("Michael Hennerich <michael.hennerich@analog.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) MODULE_DESCRIPTION("ADP8870 Backlight driver");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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