^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) * tsl4531.c - Support for TAOS TSL4531 ambient light sensor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright 2013 Peter Meerwald <pmeerw@pmeerw.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * IIO driver for the TSL4531x family
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * TSL45311/TSL45313: 7-bit I2C slave address 0x39
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * TSL45315/TSL45317: 7-bit I2C slave address 0x29
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * TODO: single cycle measurement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/iio/iio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/iio/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define TSL4531_DRV_NAME "tsl4531"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define TSL4531_COMMAND BIT(7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define TSL4531_CONTROL (TSL4531_COMMAND | 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define TSL4531_CONFIG (TSL4531_COMMAND | 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define TSL4531_DATA (TSL4531_COMMAND | 0x04)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define TSL4531_ID (TSL4531_COMMAND | 0x0a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) /* operating modes in control register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define TSL4531_MODE_POWERDOWN 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define TSL4531_MODE_SINGLE_ADC 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define TSL4531_MODE_NORMAL 0x03
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* integration time control in config register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define TSL4531_TCNTRL_400MS 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define TSL4531_TCNTRL_200MS 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define TSL4531_TCNTRL_100MS 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* part number in id register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define TSL45311_ID 0x8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define TSL45313_ID 0x9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define TSL45315_ID 0xa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define TSL45317_ID 0xb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define TSL4531_ID_SHIFT 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct tsl4531_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct i2c_client *client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int int_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static IIO_CONST_ATTR_INT_TIME_AVAIL("0.1 0.2 0.4");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static struct attribute *tsl4531_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) &iio_const_attr_integration_time_available.dev_attr.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static const struct attribute_group tsl4531_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .attrs = tsl4531_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static const struct iio_chan_spec tsl4531_channels[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .type = IIO_LIGHT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) BIT(IIO_CHAN_INFO_SCALE) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) BIT(IIO_CHAN_INFO_INT_TIME)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int tsl4531_read_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct iio_chan_spec const *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int *val, int *val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct tsl4531_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) case IIO_CHAN_INFO_RAW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ret = i2c_smbus_read_word_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) TSL4531_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) *val = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) case IIO_CHAN_INFO_SCALE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* 0.. 1x, 1 .. 2x, 2 .. 4x */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) *val = 1 << data->int_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return IIO_VAL_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) case IIO_CHAN_INFO_INT_TIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (data->int_time == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) *val2 = 400000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) else if (data->int_time == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) *val2 = 200000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) else if (data->int_time == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) *val2 = 100000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) *val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) return IIO_VAL_INT_PLUS_MICRO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static int tsl4531_write_raw(struct iio_dev *indio_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct iio_chan_spec const *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) int val, int val2, long mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct tsl4531_data *data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int int_time, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) switch (mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) case IIO_CHAN_INFO_INT_TIME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) if (val != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if (val2 == 400000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) int_time = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) else if (val2 == 200000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int_time = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) else if (val2 == 100000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) int_time = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) mutex_lock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ret = i2c_smbus_write_byte_data(data->client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) TSL4531_CONFIG, int_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) if (ret >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) data->int_time = int_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) mutex_unlock(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static const struct iio_info tsl4531_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .read_raw = tsl4531_read_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .write_raw = tsl4531_write_raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) .attrs = &tsl4531_attribute_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int tsl4531_check_id(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int ret = i2c_smbus_read_byte_data(client, TSL4531_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) if (ret < 0)
^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) switch (ret >> TSL4531_ID_SHIFT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) case TSL45311_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) case TSL45313_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) case TSL45315_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) case TSL45317_ID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) static int tsl4531_probe(struct i2c_client *client,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) const struct i2c_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct tsl4531_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct iio_dev *indio_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if (!indio_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) data = iio_priv(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) i2c_set_clientdata(client, indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) data->client = client;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) mutex_init(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) ret = tsl4531_check_id(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dev_err(&client->dev, "no TSL4531 sensor\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) ret = i2c_smbus_write_byte_data(data->client, TSL4531_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) TSL4531_MODE_NORMAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (ret < 0)
^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) ret = i2c_smbus_write_byte_data(data->client, TSL4531_CONFIG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) TSL4531_TCNTRL_400MS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) indio_dev->info = &tsl4531_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) indio_dev->channels = tsl4531_channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) indio_dev->num_channels = ARRAY_SIZE(tsl4531_channels);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) indio_dev->name = TSL4531_DRV_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) indio_dev->modes = INDIO_DIRECT_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return iio_device_register(indio_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static int tsl4531_powerdown(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return i2c_smbus_write_byte_data(client, TSL4531_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) TSL4531_MODE_POWERDOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static int tsl4531_remove(struct i2c_client *client)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) iio_device_unregister(i2c_get_clientdata(client));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) tsl4531_powerdown(client);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static int tsl4531_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) return tsl4531_powerdown(to_i2c_client(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static int tsl4531_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) return i2c_smbus_write_byte_data(to_i2c_client(dev), TSL4531_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) TSL4531_MODE_NORMAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static SIMPLE_DEV_PM_OPS(tsl4531_pm_ops, tsl4531_suspend, tsl4531_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) #define TSL4531_PM_OPS (&tsl4531_pm_ops)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) #define TSL4531_PM_OPS NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) static const struct i2c_device_id tsl4531_id[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) { "tsl4531", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) { }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_DEVICE_TABLE(i2c, tsl4531_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static struct i2c_driver tsl4531_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) .name = TSL4531_DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) .pm = TSL4531_PM_OPS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .probe = tsl4531_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .remove = tsl4531_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .id_table = tsl4531_id,
^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) module_i2c_driver(tsl4531_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) MODULE_DESCRIPTION("TAOS TSL4531 ambient light sensors driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags