Add support for the newly defined V4L2_CID_CAMERA_SENSOR_ROTATION
read-only control used to report the camera device mounting rotation.

Signed-off-by: Jacopo Mondi <jac...@jmondi.org>
---
 drivers/media/v4l2-core/v4l2-ctrls.c | 2 ++
 include/uapi/linux/v4l2-controls.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c 
b/drivers/media/v4l2-core/v4l2-ctrls.c
index db7124494530..b7af47a25125 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -995,6 +995,7 @@ const char *v4l2_ctrl_get_name(u32 id)
        case V4L2_CID_PAN_SPEED:                return "Pan, Speed";
        case V4L2_CID_TILT_SPEED:               return "Tilt, Speed";
        case V4L2_CID_CAMERA_SENSOR_LOCATION:   return "Camera Sensor Location";
+       case V4L2_CID_CAMERA_SENSOR_ROTATION:   return "Camera Sensor Rotation";
 
        /* FM Radio Modulator controls */
        /* Keep the order of the 'case's the same as in v4l2-controls.h! */
@@ -1320,6 +1321,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum 
v4l2_ctrl_type *type,
        case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
        case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
        case V4L2_CID_CAMERA_SENSOR_LOCATION:
+       case V4L2_CID_CAMERA_SENSOR_ROTATION:
                *type = V4L2_CTRL_TYPE_INTEGER;
                *flags |= V4L2_CTRL_FLAG_READ_ONLY;
                break;
diff --git a/include/uapi/linux/v4l2-controls.h 
b/include/uapi/linux/v4l2-controls.h
index 387c2c8553cb..f2be7a99818e 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -917,6 +917,8 @@ enum v4l2_auto_focus_range {
 #define V4L2_LOCATION_BACK                     1
 #define V4L2_LOCATION_EXTERNAL                 2
 
+#define V4L2_CID_CAMERA_SENSOR_ROTATION                
(V4L2_CID_CAMERA_CLASS_BASE+35)
+
 /* FM Modulator class control IDs */
 
 #define V4L2_CID_FM_TX_CLASS_BASE              (V4L2_CTRL_CLASS_FM_TX | 0x900)
-- 
2.23.0

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