[media] cx18: use core priority handling

VIDIOC_S/G_PRIORITY handling is now done by the v4l2 core framework.
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-driver.h

@@ -409,7 +409,6 @@ struct cx18_open_id {
 	struct v4l2_fh fh;
 	u32 open_id;
 	int type;
-	enum v4l2_priority prio;
 	struct cx18 *cx;
 };
 
@@ -605,7 +604,6 @@ struct cx18 {
 				   uninitialized value in the stream->id. */
 
 	u32 base_addr;
-	struct v4l2_prio_state prio;
 
 	u8 card_rev;
 	void __iomem *enc_mem, *reg_mem;

drivers/media/video/cx18/cx18-fileops.c

@@ -683,7 +683,6 @@ int cx18_v4l2_close(struct file *filp)
 
 	CX18_DEBUG_IOCTL("close() of %s\n", s->name);
 
-	v4l2_prio_close(&cx->prio, id->prio);
 	v4l2_fh_del(fh);
 	v4l2_fh_exit(fh);
 
@@ -740,7 +739,6 @@ static int cx18_serialized_open(struct cx18_stream *s, struct file *filp)
 
 	item->cx = cx;
 	item->type = s->type;
-	v4l2_prio_open(&cx->prio, &item->prio);
 
 	item->open_id = cx->open_id++;
 	filp->private_data = &item->fh;

drivers/media/video/cx18/cx18-ioctl.c

@@ -277,10 +277,6 @@ static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
 	int ret;
 	int w, h;
 
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
-
 	ret = cx18_try_fmt_vid_cap(file, fh, fmt);
 	if (ret)
 		return ret;
@@ -307,10 +303,6 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
 	struct cx18 *cx = id->cx;
 	int ret;
 
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
-
 	/*
 	 * Changing the Encoder's Raw VBI parameters won't have any effect
 	 * if any analog capture is ongoing
@@ -342,10 +334,6 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
 	int ret;
 	struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
 
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
-
 	cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
 
 	/*
@@ -464,22 +452,6 @@ static int cx18_s_register(struct file *file, void *fh,
 }
 #endif
 
-static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
-{
-	struct cx18 *cx = file2id(file)->cx;
-
-	*p = v4l2_prio_max(&cx->prio);
-	return 0;
-}
-
-static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
-{
-	struct cx18_open_id *id = file2id(file);
-	struct cx18 *cx = id->cx;
-
-	return v4l2_prio_change(&cx->prio, &id->prio, prio);
-}
-
 static int cx18_querycap(struct file *file, void *fh,
 				struct v4l2_capability *vcap)
 {
@@ -548,11 +520,6 @@ static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
 {
 	struct cx18_open_id *id = fh2id(fh);
 	struct cx18 *cx = id->cx;
-	int ret;
-
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
 
 	if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
 		return -EINVAL;
@@ -600,11 +567,6 @@ int cx18_s_input(struct file *file, void *fh, unsigned int inp)
 {
 	struct cx18_open_id *id = fh2id(fh);
 	struct cx18 *cx = id->cx;
-	int ret;
-
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
 
 	if (inp >= cx->nof_inputs)
 		return -EINVAL;
@@ -646,11 +608,6 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
 {
 	struct cx18_open_id *id = fh2id(fh);
 	struct cx18 *cx = id->cx;
-	int ret;
-
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
 
 	if (vf->tuner != 0)
 		return -EINVAL;
@@ -674,11 +631,6 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
 {
 	struct cx18_open_id *id = fh2id(fh);
 	struct cx18 *cx = id->cx;
-	int ret;
-
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
 
 	if ((*std & V4L2_STD_ALL) == 0)
 		return -EINVAL;
@@ -715,11 +667,6 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
 {
 	struct cx18_open_id *id = fh2id(fh);
 	struct cx18 *cx = id->cx;
-	int ret;
-
-	ret = v4l2_prio_check(&cx->prio, id->prio);
-	if (ret)
-		return ret;
 
 	if (vt->index != 0)
 		return -EINVAL;
@@ -1088,8 +1035,6 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
 
 	mutex_lock(&cx->serialize_lock);
 
-	/* FIXME - consolidate v4l2_prio_check()'s here */
-
 	if (cx18_debug & CX18_DBGFLG_IOCTL)
 		vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
 	res = video_ioctl2(filp, cmd, arg);
@@ -1100,8 +1045,6 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
 
 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
 	.vidioc_querycap                = cx18_querycap,
-	.vidioc_g_priority              = cx18_g_priority,
-	.vidioc_s_priority              = cx18_s_priority,
 	.vidioc_s_audio                 = cx18_s_audio,
 	.vidioc_g_audio                 = cx18_g_audio,
 	.vidioc_enumaudio               = cx18_enumaudio,