diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index f24978b80440..3189399ef0b0 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -486,6 +486,33 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_S_DV_TIMINGS: return v4l2_subdev_call(sd, video, s_dv_timings, arg); + case VIDIOC_SUBDEV_G_ROUTING: + return v4l2_subdev_call(sd, pad, get_routing, arg); + + case VIDIOC_SUBDEV_S_ROUTING: { + struct v4l2_subdev_routing *route = arg; + unsigned int i; + + if (route->num_routes > sd->entity.num_pads) + return -EINVAL; + + for (i = 0; i < route->num_routes; ++i) { + unsigned int sink = route->routes[i].sink; + unsigned int source = route->routes[i].source; + struct media_pad *pads = sd->entity.pads; + + if (sink >= sd->entity.num_pads || + source >= sd->entity.num_pads) + return -EINVAL; + + if (!(pads[sink].flags & MEDIA_PAD_FL_SINK) || + !(pads[source].flags & MEDIA_PAD_FL_SOURCE)) + return -EINVAL; + } + + return v4l2_subdev_call(sd, pad, set_routing, route); + } + case VIDIOC_SUBDEV_G_STD: return v4l2_subdev_call(sd, video, g_std, arg); @@ -508,6 +535,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_QUERYSTD: return v4l2_subdev_call(sd, video, querystd, arg); #endif + default: return v4l2_subdev_call(sd, core, ioctl, cmd, arg); } |