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 <jbrenner@taosinc.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index e25040173346..44e397705d7f 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