iio: Add TEMP_AMBIENT and TEMP_OBJECT channel modifiers

useful for contactless temperature sensors to distinguish
between the ambient temperature and the temperature of the object

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index de8b1c2..4b1f375 100644 (file)
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -85,6 +85,8 @@ static const char * const iio_modifier_names[] = {
        [IIO_MOD_LIGHT_GREEN] = "green",
        [IIO_MOD_LIGHT_BLUE] = "blue",
        [IIO_MOD_QUATERNION] = "quaternion",
+       [IIO_MOD_TEMP_AMBIENT] = "ambient",
+       [IIO_MOD_TEMP_OBJECT] = "object",
 };
 
 /* relies on pairs of these shared then separate */

diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 4fdab2e..d480631 100644 (file)
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -54,6 +54,8 @@ enum iio_modifier {
        IIO_MOD_LIGHT_GREEN,
        IIO_MOD_LIGHT_BLUE,
        IIO_MOD_QUATERNION,
+       IIO_MOD_TEMP_AMBIENT,
+       IIO_MOD_TEMP_OBJECT,
 };
 
 enum iio_event_type {