Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * drivers/media/i2c/lm3560.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * General device driver for TI lm3559, lm3560, FLASH LED Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 2013 Texas Instruments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  *			Ldd-Mlp <ldd-mlp@list.ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <media/i2c/lm3560.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) /* registers definitions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #define REG_ENABLE		0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define REG_TORCH_BR	0xa0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define REG_FLASH_BR	0xb0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define REG_FLASH_TOUT	0xc0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define REG_FLAG		0xd0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define REG_CONFIG1		0xe0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /* fault mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define FAULT_TIMEOUT	(1<<0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define FAULT_OVERTEMP	(1<<1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define FAULT_SHORT_CIRCUIT	(1<<2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) enum led_enable {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	MODE_SHDN = 0x0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	MODE_TORCH = 0x2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	MODE_FLASH = 0x3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  * struct lm3560_flash
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)  * @dev: pointer to &struct device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46)  * @pdata: platform data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47)  * @regmap: reg. map for i2c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * @lock: muxtex for serial access.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  * @led_mode: V4L2 LED mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50)  * @ctrls_led: V4L2 controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51)  * @subdev_led: V4L2 subdev
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) struct lm3560_flash {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct lm3560_platform_data *pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct regmap *regmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	enum v4l2_flash_led_mode led_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	struct v4l2_ctrl_handler ctrls_led[LM3560_LED_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	struct v4l2_subdev subdev_led[LM3560_LED_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define to_lm3560_flash(_ctrl, _no)	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	container_of(_ctrl->handler, struct lm3560_flash, ctrls_led[_no])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) /* enable mode control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) static int lm3560_mode_ctrl(struct lm3560_flash *flash)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	int rval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	switch (flash->led_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	case V4L2_FLASH_LED_MODE_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 					  REG_ENABLE, 0x03, MODE_SHDN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	case V4L2_FLASH_LED_MODE_TORCH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 					  REG_ENABLE, 0x03, MODE_TORCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	case V4L2_FLASH_LED_MODE_FLASH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 					  REG_ENABLE, 0x03, MODE_FLASH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) /* led1/2 enable/disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) static int lm3560_enable_ctrl(struct lm3560_flash *flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			      enum lm3560_led_id led_no, bool on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (led_no == LM3560_LED0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		if (on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 						  REG_ENABLE, 0x08, 0x08);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 			rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 						  REG_ENABLE, 0x08, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		if (on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 			rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 						  REG_ENABLE, 0x10, 0x10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 			rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 						  REG_ENABLE, 0x10, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* torch1/2 brightness control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int lm3560_torch_brt_ctrl(struct lm3560_flash *flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 				 enum lm3560_led_id led_no, unsigned int brt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	u8 br_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (brt < LM3560_TORCH_BRT_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		return lm3560_enable_ctrl(flash, led_no, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		rval = lm3560_enable_ctrl(flash, led_no, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	br_bits = LM3560_TORCH_BRT_uA_TO_REG(brt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if (led_no == LM3560_LED0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 					  REG_TORCH_BR, 0x07, br_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 					  REG_TORCH_BR, 0x38, br_bits << 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* flash1/2 brightness control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static int lm3560_flash_brt_ctrl(struct lm3560_flash *flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 				 enum lm3560_led_id led_no, unsigned int brt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	u8 br_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	if (brt < LM3560_FLASH_BRT_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		return lm3560_enable_ctrl(flash, led_no, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		rval = lm3560_enable_ctrl(flash, led_no, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	br_bits = LM3560_FLASH_BRT_uA_TO_REG(brt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	if (led_no == LM3560_LED0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 					  REG_FLASH_BR, 0x0f, br_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 					  REG_FLASH_BR, 0xf0, br_bits << 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* v4l2 controls  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static int lm3560_get_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	struct lm3560_flash *flash = to_lm3560_flash(ctrl, led_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	int rval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	mutex_lock(&flash->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	if (ctrl->id == V4L2_CID_FLASH_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		s32 fault = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		unsigned int reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		rval = regmap_read(flash->regmap, REG_FLAG, &reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		if (reg_val & FAULT_SHORT_CIRCUIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			fault |= V4L2_FLASH_FAULT_SHORT_CIRCUIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		if (reg_val & FAULT_OVERTEMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 			fault |= V4L2_FLASH_FAULT_OVER_TEMPERATURE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		if (reg_val & FAULT_TIMEOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 			fault |= V4L2_FLASH_FAULT_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		ctrl->cur.val = fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	mutex_unlock(&flash->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	return rval;
^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) static int lm3560_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	struct lm3560_flash *flash = to_lm3560_flash(ctrl, led_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	u8 tout_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	int rval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	mutex_lock(&flash->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	case V4L2_CID_FLASH_LED_MODE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		flash->led_mode = ctrl->val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 			rval = lm3560_mode_ctrl(flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	case V4L2_CID_FLASH_STROBE_SOURCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 					  REG_CONFIG1, 0x04, (ctrl->val) << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	case V4L2_CID_FLASH_STROBE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 		if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 			rval = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 			goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		flash->led_mode = V4L2_FLASH_LED_MODE_FLASH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		rval = lm3560_mode_ctrl(flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	case V4L2_CID_FLASH_STROBE_STOP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			rval = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		flash->led_mode = V4L2_FLASH_LED_MODE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		rval = lm3560_mode_ctrl(flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	case V4L2_CID_FLASH_TIMEOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		tout_bits = LM3560_FLASH_TOUT_ms_TO_REG(ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 					  REG_FLASH_TOUT, 0x1f, tout_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	case V4L2_CID_FLASH_INTENSITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		rval = lm3560_flash_brt_ctrl(flash, led_no, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	case V4L2_CID_FLASH_TORCH_INTENSITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		rval = lm3560_torch_brt_ctrl(flash, led_no, ctrl->val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	mutex_unlock(&flash->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static int lm3560_led1_get_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	return lm3560_get_ctrl(ctrl, LM3560_LED1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) static int lm3560_led1_set_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	return lm3560_set_ctrl(ctrl, LM3560_LED1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) static int lm3560_led0_get_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	return lm3560_get_ctrl(ctrl, LM3560_LED0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static int lm3560_led0_set_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	return lm3560_set_ctrl(ctrl, LM3560_LED0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static const struct v4l2_ctrl_ops lm3560_led_ctrl_ops[LM3560_LED_MAX] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	[LM3560_LED0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 			 .g_volatile_ctrl = lm3560_led0_get_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 			 .s_ctrl = lm3560_led0_set_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	[LM3560_LED1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			 .g_volatile_ctrl = lm3560_led1_get_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 			 .s_ctrl = lm3560_led1_set_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 			 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) static int lm3560_init_controls(struct lm3560_flash *flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 				enum lm3560_led_id led_no)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	struct v4l2_ctrl *fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	u32 max_flash_brt = flash->pdata->max_flash_brt[led_no];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	u32 max_torch_brt = flash->pdata->max_torch_brt[led_no];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	struct v4l2_ctrl_handler *hdl = &flash->ctrls_led[led_no];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	const struct v4l2_ctrl_ops *ops = &lm3560_led_ctrl_ops[led_no];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	v4l2_ctrl_handler_init(hdl, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	/* flash mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_LED_MODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 			       V4L2_FLASH_LED_MODE_TORCH, ~0x7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 			       V4L2_FLASH_LED_MODE_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	flash->led_mode = V4L2_FLASH_LED_MODE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	/* flash source */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	v4l2_ctrl_new_std_menu(hdl, ops, V4L2_CID_FLASH_STROBE_SOURCE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 			       0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	/* flash strobe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 	v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	/* flash strobe stop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 	v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_STROBE_STOP, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 	/* flash strobe timeout */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TIMEOUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 			  LM3560_FLASH_TOUT_MIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 			  flash->pdata->max_flash_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 			  LM3560_FLASH_TOUT_STEP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 			  flash->pdata->max_flash_timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	/* flash brt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_INTENSITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 			  LM3560_FLASH_BRT_MIN, max_flash_brt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 			  LM3560_FLASH_BRT_STEP, max_flash_brt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	/* torch brt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_TORCH_INTENSITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 			  LM3560_TORCH_BRT_MIN, max_torch_brt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 			  LM3560_TORCH_BRT_STEP, max_torch_brt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	/* fault */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	fault = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FLASH_FAULT, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 				  V4L2_FLASH_FAULT_OVER_VOLTAGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 				  | V4L2_FLASH_FAULT_OVER_TEMPERATURE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 				  | V4L2_FLASH_FAULT_SHORT_CIRCUIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 				  | V4L2_FLASH_FAULT_TIMEOUT, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	if (fault != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		fault->flags |= V4L2_CTRL_FLAG_VOLATILE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	if (hdl->error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 		return hdl->error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	flash->subdev_led[led_no].ctrl_handler = hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) /* initialize device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static const struct v4l2_subdev_ops lm3560_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	.core = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) static const struct regmap_config lm3560_regmap = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	.reg_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	.val_bits = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	.max_register = 0xFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) static int lm3560_subdev_init(struct lm3560_flash *flash,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 			      enum lm3560_led_id led_no, char *led_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	struct i2c_client *client = to_i2c_client(flash->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	v4l2_i2c_subdev_init(&flash->subdev_led[led_no], client, &lm3560_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	flash->subdev_led[led_no].flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	strscpy(flash->subdev_led[led_no].name, led_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 		sizeof(flash->subdev_led[led_no].name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	rval = lm3560_init_controls(flash, led_no);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	if (rval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	rval = media_entity_pads_init(&flash->subdev_led[led_no].entity, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 		goto err_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 	flash->subdev_led[led_no].entity.function = MEDIA_ENT_F_FLASH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) err_out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	v4l2_ctrl_handler_free(&flash->ctrls_led[led_no]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static int lm3560_init_device(struct lm3560_flash *flash)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	unsigned int reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	/* set peak current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	rval = regmap_update_bits(flash->regmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 				  REG_FLASH_TOUT, 0x60, flash->pdata->peak);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	/* output disable */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	flash->led_mode = V4L2_FLASH_LED_MODE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	rval = lm3560_mode_ctrl(flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	/* reset faults */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	rval = regmap_read(flash->regmap, REG_FLAG, &reg_val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) static int lm3560_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 			const struct i2c_device_id *devid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	struct lm3560_flash *flash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	struct lm3560_platform_data *pdata = dev_get_platdata(&client->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	int rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	flash = devm_kzalloc(&client->dev, sizeof(*flash), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	if (flash == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	flash->regmap = devm_regmap_init_i2c(client, &lm3560_regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	if (IS_ERR(flash->regmap)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 		rval = PTR_ERR(flash->regmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 	/* if there is no platform data, use chip default value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 	if (pdata == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 		if (pdata == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 		pdata->peak = LM3560_PEAK_3600mA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 		pdata->max_flash_timeout = LM3560_FLASH_TOUT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 		/* led 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		pdata->max_flash_brt[LM3560_LED0] = LM3560_FLASH_BRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 		pdata->max_torch_brt[LM3560_LED0] = LM3560_TORCH_BRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 		/* led 2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 		pdata->max_flash_brt[LM3560_LED1] = LM3560_FLASH_BRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		pdata->max_torch_brt[LM3560_LED1] = LM3560_TORCH_BRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	flash->pdata = pdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	flash->dev = &client->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 	mutex_init(&flash->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 	rval = lm3560_subdev_init(flash, LM3560_LED0, "lm3560-led0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	rval = lm3560_subdev_init(flash, LM3560_LED1, "lm3560-led1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 	rval = lm3560_init_device(flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 	if (rval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 		return rval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 	i2c_set_clientdata(client, flash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) static int lm3560_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 	struct lm3560_flash *flash = i2c_get_clientdata(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	for (i = LM3560_LED0; i < LM3560_LED_MAX; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 		v4l2_device_unregister_subdev(&flash->subdev_led[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) 		v4l2_ctrl_handler_free(&flash->ctrls_led[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 		media_entity_cleanup(&flash->subdev_led[i].entity);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) static const struct i2c_device_id lm3560_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	{LM3559_NAME, 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 	{LM3560_NAME, 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) MODULE_DEVICE_TABLE(i2c, lm3560_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) static struct i2c_driver lm3560_i2c_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 		   .name = LM3560_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 		   .pm = NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 		   },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 	.probe = lm3560_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 	.remove = lm3560_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) 	.id_table = lm3560_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) module_i2c_driver(lm3560_i2c_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) MODULE_AUTHOR("Daniel Jeong <gshark.jeong@gmail.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) MODULE_AUTHOR("Ldd Mlp <ldd-mlp@list.ti.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) MODULE_DESCRIPTION("Texas Instruments LM3560 LED flash driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) MODULE_LICENSE("GPL");