From 21cd1fab058671313f7c178b640999fcd0d8de21 Mon Sep 17 00:00:00 2001 From: Jon Brenner Date: Wed, 16 May 2012 10:46:42 -0500 Subject: [PATCH] IIO channel type and modifiers for CCT and RGBC data Add iio channel type and modifiers for Correlated Color Temperature (CCT) and RGBC (red/green/blue/clear) data. Add CCT and RGBC descriptions to documentation. Changes: Revised/condensed RGBC descriptions. Merge and trivial fix done by Jonathan Cameron. Signed-off-by: Jon Brenner Signed-off-by: Jonathan Cameron --- drivers/iio/industrialio-core.c | 5 ++++ .../iio/Documentation/sysfs-bus-iio-light | 23 +++++++++++++++++++ include/linux/iio/types.h | 5 ++++ 3 files changed, 33 insertions(+) diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index bb3c692e49b..2ec266ef41a 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -64,6 +64,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_TIMESTAMP] = "timestamp", [IIO_CAPACITANCE] = "capacitance", [IIO_ALTVOLTAGE] = "altvoltage", + [IIO_CCT] = "cct", }; static const char * const iio_modifier_names[] = { @@ -74,6 +75,10 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_SUM_SQUARED_X_Y_Z] = "x^2+y^2+z^2", [IIO_MOD_LIGHT_BOTH] = "both", [IIO_MOD_LIGHT_IR] = "ir", + [IIO_MOD_LIGHT_CLEAR] = "clear", + [IIO_MOD_LIGHT_RED] = "red", + [IIO_MOD_LIGHT_GREEN] = "green", + [IIO_MOD_LIGHT_BLUE] = "blue", }; /* relies on pairs of these shared then separate */ diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-light b/drivers/staging/iio/Documentation/sysfs-bus-iio-light index d52be0385dc..a28919da13e 100644 --- a/drivers/staging/iio/Documentation/sysfs-bus-iio-light +++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-light @@ -82,3 +82,26 @@ Contact: linux-iio@vger.kernel.org Description: This property gets/sets the table of coefficients used in calculating illuminance in lux. + +What: /sys/bus/iio/devices/device[n]/in_intensity_clear[_input|_raw] +What: /sys/bus/iio/devices/device[n]/in_intensity_red[_input|_raw] +What: /sys/bus/iio/devices/device[n]/in_intensity_green[_input|_raw] +What: /sys/bus/iio/devices/device[n]/in_intensity_blue[_input|_raw] +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + This property is supported by sensors that have a RGBC + sensing mode. This value should be the output from a reading + and if expressed in SI units, should include _input. If this + value is not in SI units (irradiance, uW/mm^2), then it should + include _raw. + +What: /sys/bus/iio/devices/device[n]/in_cct0[_input|_raw] +KernelVersion: 3.4.0 +Contact: linux-iio@vger.kernel.org +Description: + This should return the correlated color temperature from the + light sensor. If it comes back in SI units, it should also + include _input else it should include _raw to signify it is not + in SI units. + diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index e2504017334..44e397705d7 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -27,6 +27,7 @@ enum iio_chan_type { IIO_TIMESTAMP, IIO_CAPACITANCE, IIO_ALTVOLTAGE, + IIO_CCT, }; enum iio_modifier { @@ -46,6 +47,10 @@ enum iio_modifier { IIO_MOD_LIGHT_IR, IIO_MOD_ROOT_SUM_SQUARED_X_Y, IIO_MOD_SUM_SQUARED_X_Y_Z, + IIO_MOD_LIGHT_CLEAR, + IIO_MOD_LIGHT_RED, + IIO_MOD_LIGHT_GREEN, + IIO_MOD_LIGHT_BLUE, }; #define IIO_VAL_INT 1