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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-01-29 10:07:13 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-25 12:47:55 -0300 |
| commit | 9cfd65e80959836fed78704e8a127d4e10448d56 (patch) | |
| tree | bdae4d269740557a868dd2a7c2a89394c8af69f8 /drivers/media | |
| parent | c4fa146ce53cc5741016fdfadfce84f5c0bcf999 (diff) | |
| download | lwn-9cfd65e80959836fed78704e8a127d4e10448d56.tar.gz lwn-9cfd65e80959836fed78704e8a127d4e10448d56.zip | |
[media] v4l: Add support for DV timings ioctls on subdev nodes
Validate the pad field in the core code whenever specified.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 0ed4c5be1b32..db126dbc19c9 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -366,6 +366,33 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_S_EDID: return v4l2_subdev_call(sd, pad, set_edid, arg); + + case VIDIOC_SUBDEV_DV_TIMINGS_CAP: { + struct v4l2_dv_timings_cap *cap = arg; + + if (cap->pad >= sd->entity.num_pads) + return -EINVAL; + + return v4l2_subdev_call(sd, pad, dv_timings_cap, cap); + } + + case VIDIOC_SUBDEV_ENUM_DV_TIMINGS: { + struct v4l2_enum_dv_timings *dvt = arg; + + if (dvt->pad >= sd->entity.num_pads) + return -EINVAL; + + return v4l2_subdev_call(sd, pad, enum_dv_timings, dvt); + } + + case VIDIOC_SUBDEV_QUERY_DV_TIMINGS: + return v4l2_subdev_call(sd, video, query_dv_timings, arg); + + case VIDIOC_SUBDEV_G_DV_TIMINGS: + return v4l2_subdev_call(sd, video, g_dv_timings, arg); + + case VIDIOC_SUBDEV_S_DV_TIMINGS: + return v4l2_subdev_call(sd, video, s_dv_timings, arg); #endif default: return v4l2_subdev_call(sd, core, ioctl, cmd, arg); |