V4L/DVB (10231): v4l2-subdev: add v4l2_ext_controls support

The saa6752hs module needs this.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
index 21208805ea9b..158bc55de166 100644
--- a/drivers/media/video/v4l2-subdev.c
+++ b/drivers/media/video/v4l2-subdev.c
@@ -33,6 +33,12 @@ int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg)
                 return v4l2_subdev_call(sd, core, g_ctrl, arg);
         case VIDIOC_S_CTRL:
                 return v4l2_subdev_call(sd, core, s_ctrl, arg);
+        case VIDIOC_G_EXT_CTRLS:
+                return v4l2_subdev_call(sd, core, g_ext_ctrls, arg);
+        case VIDIOC_S_EXT_CTRLS:
+                return v4l2_subdev_call(sd, core, s_ext_ctrls, arg);
+        case VIDIOC_TRY_EXT_CTRLS:
+                return v4l2_subdev_call(sd, core, try_ext_ctrls, arg);
         case VIDIOC_QUERYMENU:
                 return v4l2_subdev_call(sd, core, querymenu, arg);
         case VIDIOC_LOG_STATUS:
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 37b09e56e943..9c1663d91224 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -78,6 +78,9 @@ struct v4l2_subdev_core_ops {
         int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc);
         int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
         int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
+        int (*g_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
+        int (*s_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
+        int (*try_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
         int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm);
         long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
 #ifdef CONFIG_VIDEO_ADV_DEBUG