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iio: Add channel type for chromaticity

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In most cases, ambient color sensors also support the x and y light
colors, which represent the coordinates on the CIE 1931 chromaticity
diagram. Thus, add channel type for chromaticity.

Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20230919081054.2050714-7-Basavaraj.Natikar@amd.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Basavaraj Natikar 2023-09-19 13:40:51 +05:30 committed by Jonathan Cameron
parent 82cdcdf227
commit 06790d4c69
4 changed files with 12 additions and 0 deletions
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8
Documentation/ABI/testing/sysfs-bus-iio
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@ -2186,3 +2186,11 @@ Contact: linux-iio@vger.kernel.org
Description:
Represents light color temperature, which measures light color
temperature in Kelvin.
What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_x_raw
What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_y_raw
KernelVersion: 6.7
Contact: linux-iio@vger.kernel.org
Description:
The x and y light color coordinate on the CIE 1931 chromaticity
diagram.

1
drivers/iio/industrialio-core.c
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@ -91,6 +91,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_PHASE] = "phase",
[IIO_MASSCONCENTRATION] = "massconcentration",
[IIO_COLORTEMP] = "colortemp",
[IIO_CHROMATICITY] = "chromaticity",
};
static const char * const iio_modifier_names[] = {

1
include/uapi/linux/iio/types.h
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@ -48,6 +48,7 @@ enum iio_chan_type {
IIO_PHASE,
IIO_MASSCONCENTRATION,
IIO_COLORTEMP,
IIO_CHROMATICITY,
};
enum iio_modifier {

2
tools/iio/iio_event_monitor.c
View File

@ -60,6 +60,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_PHASE] = "phase",
[IIO_MASSCONCENTRATION] = "massconcentration",
[IIO_COLORTEMP] = "colortemp",
[IIO_CHROMATICITY] = "chromaticity",
};
static const char * const iio_ev_type_text[] = {
@ -175,6 +176,7 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_PHASE:
case IIO_MASSCONCENTRATION:
case IIO_COLORTEMP:
case IIO_CHROMATICITY:
break;
default:
return false;