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authorJacopo Mondi <jacopo@jmondi.org>2020-05-09 11:04:48 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-05-18 15:34:21 +0200
commit926645d43fd43622a2b056471a2cf41cc19cbf4c (patch)
treeb7b4aa9ad99e00121819865c0db849f53cb1043e /drivers/media
parent9926c2248740a632b0629fd8c07d0fc361dc15cc (diff)
downloadlinux-926645d43fd43622a2b056471a2cf41cc19cbf4c.tar.bz2
media: v4l2-ctrls: Add camera orientation and rotation
Add support for the newly defined V4L2_CID_CAMERA_ORIENTATION and V4L2_CID_CAMERA_SENSOR_ROTATION read-only controls used to report the camera device mounting position and orientation respectively. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 1c617b42a944..92c3e39efc28 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -583,6 +583,12 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Annex B Start Code",
NULL,
};
+ static const char * const camera_orientation[] = {
+ "Front",
+ "Back",
+ "External",
+ NULL,
+ };
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
@@ -708,6 +714,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return hevc_decode_mode;
case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE:
return hevc_start_code;
+ case V4L2_CID_CAMERA_ORIENTATION:
+ return camera_orientation;
default:
return NULL;
}
@@ -1020,6 +1028,8 @@ 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_UNIT_CELL_SIZE: return "Unit Cell Size";
+ case V4L2_CID_CAMERA_ORIENTATION: return "Camera Orientation";
+ 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! */
@@ -1293,6 +1303,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE:
case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE:
case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE:
+ case V4L2_CID_CAMERA_ORIENTATION:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_LINK_FREQ:
@@ -1482,6 +1493,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT:
case V4L2_CID_RDS_RX_TRAFFIC_PROGRAM:
case V4L2_CID_RDS_RX_MUSIC_SPEECH:
+ case V4L2_CID_CAMERA_ORIENTATION:
+ case V4L2_CID_CAMERA_SENSOR_ROTATION:
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
case V4L2_CID_RF_TUNER_PLL_LOCK: