[media] ivtv: convert to core priority handling

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

3 files changed, 15 insertions, 45 deletions

diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index 04bacdbd10bb..84bdf0f42a8e 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -383,7 +383,6 @@ struct ivtv_open_id {
         u32 open_id;                    /* unique ID for this file descriptor */
         int type;                       /* stream type */
         int yuv_frames;                 /* 1: started OUT_UDMA_YUV output mode */
-        enum v4l2_priority prio;        /* priority */
         struct ivtv *itv;
 };
 
@@ -710,7 +709,6 @@ struct ivtv {
 
         /* Miscellaneous */
         u32 open_id;                    /* incremented each time an open occurs, is >= 1 */
-        struct v4l2_prio_state prio;    /* priority state */
         int search_pack_header;         /* 1 if ivtv_copy_buf_to_user() is scanning for a pack header (0xba) */
         int speed;                      /* current playback speed setting */
         u8 speed_mute_audio;            /* 1 if audio should be muted when fast forward */
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c
index c57a58523ca8..4463bf4ec4ee 100644
--- a/drivers/media/video/ivtv/ivtv-fileops.c
+++ b/drivers/media/video/ivtv/ivtv-fileops.c
@@ -856,7 +856,6 @@ int ivtv_v4l2_close(struct file *filp)
 
         IVTV_DEBUG_FILE("close %s\n", s->name);
 
-        v4l2_prio_close(&itv->prio, id->prio);
         v4l2_fh_del(fh);
         v4l2_fh_exit(fh);
 
@@ -973,7 +972,6 @@ static int ivtv_serialized_open(struct ivtv_stream *s, struct file *filp)
         }
         item->itv = itv;
         item->type = s->type;
-        v4l2_prio_open(&itv->prio, &item->prio);
 
         item->open_id = itv->open_id++;
         filp->private_data = &item->fh;
diff --git a/drivers/media/video/ivtv/ivtv-ioctl.c b/drivers/media/video/ivtv/ivtv-ioctl.c
index d34a326c0ef0..b443c03d21de 100644
--- a/drivers/media/video/ivtv/ivtv-ioctl.c
+++ b/drivers/media/video/ivtv/ivtv-ioctl.c
@@ -750,23 +750,6 @@ static int ivtv_s_register(struct file *file, void *fh, struct v4l2_dbg_register
 }
 #endif
 
-static int ivtv_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
-{
-        struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
-
-        *p = v4l2_prio_max(&itv->prio);
-
-        return 0;
-}
-
-static int ivtv_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
-{
-        struct ivtv_open_id *id = fh;
-        struct ivtv *itv = id->itv;
-
-        return v4l2_prio_change(&itv->prio, &id->prio, prio);
-}
-
 static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
 {
         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
@@ -1800,6 +1783,21 @@ static long ivtv_default(struct file *file, void *fh, bool valid_prio,
 {
         struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv;
 
+        if (!valid_prio) {
+                switch (cmd) {
+                case VIDEO_PLAY:
+                case VIDEO_STOP:
+                case VIDEO_FREEZE:
+                case VIDEO_CONTINUE:
+                case VIDEO_COMMAND:
+                case VIDEO_SELECT_SOURCE:
+                case AUDIO_SET_MUTE:
+                case AUDIO_CHANNEL_SELECT:
+                case AUDIO_BILINGUAL_CHANNEL_SELECT:
+                        return -EBUSY;
+                }
+        }
+
         switch (cmd) {
         case VIDIOC_INT_RESET: {
                 u32 val = *(u32 *)arg;
@@ -1837,30 +1835,8 @@ static long ivtv_serialized_ioctl(struct ivtv *itv, struct file *filp,
                 unsigned int cmd, unsigned long arg)
 {
         struct video_device *vfd = video_devdata(filp);
-        struct ivtv_open_id *id = fh2id(filp->private_data);
         long ret;
 
-        /* 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:
-        case VIDIOC_S_PRIORITY:
-        case VIDIOC_OVERLAY:
-                ret = v4l2_prio_check(&itv->prio, id->prio);
-                if (ret)
-                        return ret;
-        }
-
         if (ivtv_debug & IVTV_DBGFLG_IOCTL)
                 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
         ret = video_ioctl2(filp, cmd, arg);
@@ -1885,8 +1861,6 @@ long ivtv_v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
         .vidioc_querycap                    = ivtv_querycap,
-        .vidioc_g_priority                  = ivtv_g_priority,
-        .vidioc_s_priority                  = ivtv_s_priority,
         .vidioc_s_audio                     = ivtv_s_audio,
         .vidioc_g_audio                     = ivtv_g_audio,
         .vidioc_enumaudio                   = ivtv_enumaudio,