diff options
| author | Basavaraj Natikar <Basavaraj.Natikar@amd.com> | 2024-02-05 10:59:25 -0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2024-02-17 16:16:11 +0000 |
| commit | 3765d426fe864e109d00aeb48f22413b896b2eb9 (patch) | |
| tree | 69d8901e16709bc29c7152990b67fd2f096a25bc /drivers/iio | |
| parent | 00c45c9ef9b243cd0d48ae2bd0b8d908a9e04b2d (diff) | |
| download | linux-3765d426fe864e109d00aeb48f22413b896b2eb9.tar.gz | |
iio: hid-sensor-als: Add light color temperature support
On some platforms, ambient color sensors also support light color
temperature. Add support of light color temperature.
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20240205185926.3030521-4-srinivas.pandruvada@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/light/hid-sensor-als.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index bd4cb08831210..f9d0071d9fa93 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -16,6 +16,7 @@ enum { CHANNEL_SCAN_INDEX_INTENSITY, CHANNEL_SCAN_INDEX_ILLUM, + CHANNEL_SCAN_INDEX_COLOR_TEMP, CHANNEL_SCAN_INDEX_MAX }; @@ -43,6 +44,7 @@ struct als_state { static const u32 als_usage_ids[] = { HID_USAGE_SENSOR_LIGHT_ILLUM, HID_USAGE_SENSOR_LIGHT_ILLUM, + HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE, }; static const u32 als_sensitivity_addresses[] = { @@ -74,6 +76,16 @@ static const struct iio_chan_spec als_channels[] = { BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), .scan_index = CHANNEL_SCAN_INDEX_ILLUM, }, + { + .type = IIO_COLORTEMP, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_OFFSET) | + BIT(IIO_CHAN_INFO_SCALE) | + BIT(IIO_CHAN_INFO_SAMP_FREQ) | + BIT(IIO_CHAN_INFO_HYSTERESIS) | + BIT(IIO_CHAN_INFO_HYSTERESIS_RELATIVE), + .scan_index = CHANNEL_SCAN_INDEX_COLOR_TEMP, + }, IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP) }; @@ -112,6 +124,11 @@ static int als_read_raw(struct iio_dev *indio_dev, min = als_state->als[chan->scan_index].logical_minimum; address = HID_USAGE_SENSOR_LIGHT_ILLUM; break; + case CHANNEL_SCAN_INDEX_COLOR_TEMP: + report_id = als_state->als[chan->scan_index].report_id; + min = als_state->als[chan->scan_index].logical_minimum; + address = HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE; + break; default: report_id = -1; break; @@ -232,6 +249,10 @@ static int als_capture_sample(struct hid_sensor_hub_device *hsdev, als_state->scan.illum[CHANNEL_SCAN_INDEX_ILLUM] = sample_data; ret = 0; break; + case HID_USAGE_SENSOR_LIGHT_COLOR_TEMPERATURE: + als_state->scan.illum[CHANNEL_SCAN_INDEX_COLOR_TEMP] = sample_data; + ret = 0; + break; case HID_USAGE_SENSOR_TIME_TIMESTAMP: als_state->timestamp = hid_sensor_convert_timestamp(&als_state->common_attributes, *(s64 *)raw_data); |