diff options
| author | Maslov Dmitry <maslovdmitry@seeed.cc> | 2021-11-06 20:41:37 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-11-17 20:51:45 +0300 |
| commit | 7d71d289e1ba86838bc908d5ce216a208815fd01 (patch) | |
| tree | 53368fce43d42daddeac5ac6cebe2035422d5b16 /drivers/iio/light | |
| parent | 471d040defb243e59a2cee42069ca4e8d6d3e94b (diff) | |
| download | linux-7d71d289e1ba86838bc908d5ce216a208815fd01.tar.xz | |
iio: light: ltr501: Added ltr303 driver support
Previously ltr501 driver supported a number of light and,
proximity sensors including ltr501, ltr559 and ltr301.
This adds support for another light sensor ltr303
used in Seeed Studio reTerminal, a carrier board
for Raspberry Pi 4 CM.
Signed-off-by: Maslov Dmitry <maslovdmitry@seeed.cc>
Link: https://lore.kernel.org/r/20211106174137.6783-1-maslovdmitry@seeed.cc
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/light')
| -rw-r--r-- | drivers/iio/light/ltr501.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 7e51aaac0bf8..bab5b78f2e30 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * ltr501.c - Support for Lite-On LTR501 ambient light and proximity sensor + * Support for Lite-On LTR501 and similar ambient light and proximity sensors. * * Copyright 2014 Peter Meerwald <pmeerw@pmeerw.net> * @@ -98,6 +98,7 @@ enum { ltr501 = 0, ltr559, ltr301, + ltr303, }; struct ltr501_gain { @@ -1231,6 +1232,18 @@ static const struct ltr501_chip_info ltr501_chip_info_tbl[] = { .channels = ltr301_channels, .no_channels = ARRAY_SIZE(ltr301_channels), }, + [ltr303] = { + .partid = 0x0A, + .als_gain = ltr559_als_gain_tbl, + .als_gain_tbl_size = ARRAY_SIZE(ltr559_als_gain_tbl), + .als_mode_active = BIT(0), + .als_gain_mask = BIT(2) | BIT(3) | BIT(4), + .als_gain_shift = 2, + .info = <r301_info, + .info_no_irq = <r301_info_no_irq, + .channels = ltr301_channels, + .no_channels = ARRAY_SIZE(ltr301_channels), + }, }; static int ltr501_write_contr(struct ltr501_data *data, u8 als_val, u8 ps_val) @@ -1605,6 +1618,7 @@ static const struct i2c_device_id ltr501_id[] = { { "ltr501", ltr501}, { "ltr559", ltr559}, { "ltr301", ltr301}, + { "ltr303", ltr303}, { } }; MODULE_DEVICE_TABLE(i2c, ltr501_id); @@ -1613,6 +1627,7 @@ static const struct of_device_id ltr501_of_match[] = { { .compatible = "liteon,ltr501", }, { .compatible = "liteon,ltr559", }, { .compatible = "liteon,ltr301", }, + { .compatible = "liteon,ltr303", }, {} }; MODULE_DEVICE_TABLE(of, ltr501_of_match); |