V4L/DVB (5410): Add VIDIOC_G/S_PRIORITY support to ivtv.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index 0e8b639..6f80941 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -703,6 +703,21 @@
if (filp) id = (struct ivtv_open_id *)filp->private_data;
switch (cmd) {
+ case VIDIOC_G_PRIORITY:
+ {
+ enum v4l2_priority *p = arg;
+
+ *p = v4l2_prio_max(&itv->prio);
+ break;
+ }
+
+ case VIDIOC_S_PRIORITY:
+ {
+ enum v4l2_priority *prio = arg;
+
+ return v4l2_prio_change(&itv->prio, &id->prio, *prio);
+ }
+
case VIDIOC_QUERYCAP:{
struct v4l2_capability *vcap = arg;
@@ -1441,9 +1456,29 @@
{
struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
struct ivtv *itv = id->itv;
+ int ret;
IVTV_DEBUG_IOCTL("v4l2 ioctl 0x%08x\n", cmd);
+ /* check priority */
+ switch (cmd) {
+ case VIDIOC_S_CTRL:
+ case VIDIOC_S_STD:
+ case VIDIOC_S_INPUT:
+ case VIDIOC_S_OUTPUT:
+ case VIDIOC_S_TUNER:
+ case VIDIOC_S_FREQUENCY:
+ case VIDIOC_S_FMT:
+ case VIDIOC_S_CROP:
+ case VIDIOC_S_AUDIO:
+ case VIDIOC_S_AUDOUT:
+ case VIDIOC_S_EXT_CTRLS:
+ case VIDIOC_S_FBUF:
+ ret = v4l2_prio_check(&itv->prio, &id->prio);
+ if (ret)
+ return ret;
+ }
+
switch (cmd) {
case VIDIOC_DBG_G_REGISTER:
case VIDIOC_DBG_S_REGISTER:
@@ -1452,6 +1487,8 @@
case VIDIOC_INT_RESET:
return ivtv_internal_ioctls(filp, cmd, arg);
+ case VIDIOC_G_PRIORITY:
+ case VIDIOC_S_PRIORITY:
case VIDIOC_QUERYCAP:
case VIDIOC_ENUMINPUT:
case VIDIOC_G_INPUT:
