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/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 */