From: Hans Verkuil Date: Wed, 6 Feb 2013 15:42:40 +0000 (-0300) Subject: [media] bttv: fix priority handling X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=8c14cc1f0ade4e16d4d3384791807abb4f367731;p=openwrt%2Fstaging%2Fblogic.git [media] bttv: fix priority handling Replace the - incorrect - manual priority handling with the core priority implementation. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index d34d271c6100..41de79ba5930 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -1706,11 +1706,7 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; unsigned int i; - int err; - - err = v4l2_prio_check(&btv->prio, fh->prio); - if (err) - goto err; + int err = 0; for (i = 0; i < BTTV_TVNORMS; i++) if (*id & bttv_tvnorms[i].v4l2_id) @@ -1793,11 +1789,6 @@ static int bttv_s_input(struct file *file, void *priv, unsigned int i) { struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - int err; - - err = v4l2_prio_check(&btv->prio, fh->prio); - if (err) - return err; if (i >= bttv_tvcards[btv->c.type].video_inputs) return -EINVAL; @@ -1811,15 +1802,10 @@ static int bttv_s_tuner(struct file *file, void *priv, { struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - int err; if (t->index) return -EINVAL; - err = v4l2_prio_check(&btv->prio, fh->prio); - if (err) - return err; - bttv_call_all(btv, tuner, s_tuner, t); if (btv->audio_mode_gpio) @@ -1862,14 +1848,10 @@ static int bttv_s_frequency(struct file *file, void *priv, { struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - int err; if (f->tuner) return -EINVAL; - err = v4l2_prio_check(&btv->prio, fh->prio); - if (err) - return err; bttv_set_frequency(btv, f); return 0; } @@ -2808,28 +2790,6 @@ static int bttv_g_tuner(struct file *file, void *priv, return 0; } -static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p) -{ - struct bttv_fh *fh = f; - struct bttv *btv = fh->btv; - - *p = v4l2_prio_max(&btv->prio); - - return 0; -} - -static int bttv_s_priority(struct file *file, void *f, - enum v4l2_priority prio) -{ - struct bttv_fh *fh = f; - struct bttv *btv = fh->btv; - int rc; - - rc = v4l2_prio_change(&btv->prio, &fh->prio, prio); - - return rc; -} - static int bttv_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cap) { @@ -2882,11 +2842,6 @@ static int bttv_s_crop(struct file *file, void *f, const struct v4l2_crop *crop) /* Make sure tvnorm, vbi_end and the current cropping parameters remain consistent until we're done. Note read() may change vbi_end in check_alloc_btres_lock(). */ - retval = v4l2_prio_check(&btv->prio, fh->prio); - if (0 != retval) { - return retval; - } - retval = -EBUSY; if (locked_btres(fh->btv, VIDEO_RESOURCES)) { @@ -3085,8 +3040,6 @@ static int bttv_open(struct file *file) fh->type = type; fh->ov.setup_ok = 0; - v4l2_prio_open(&btv->prio, &fh->prio); - videobuf_queue_sg_init(&fh->cap, &bttv_video_qops, &btv->c.pci->dev, &btv->s_lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, @@ -3156,7 +3109,6 @@ static int bttv_release(struct file *file) videobuf_mmap_free(&fh->cap); videobuf_mmap_free(&fh->vbi); - v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; btv->users--; @@ -3226,8 +3178,6 @@ static const struct v4l2_ioctl_ops bttv_ioctl_ops = { .vidioc_g_fbuf = bttv_g_fbuf, .vidioc_s_fbuf = bttv_s_fbuf, .vidioc_overlay = bttv_overlay, - .vidioc_g_priority = bttv_g_priority, - .vidioc_s_priority = bttv_s_priority, .vidioc_g_parm = bttv_g_parm, .vidioc_g_frequency = bttv_g_frequency, .vidioc_s_frequency = bttv_s_frequency, @@ -3268,13 +3218,13 @@ static int radio_open(struct file *file) return -ENOMEM; file->private_data = fh; *fh = btv->init; - - v4l2_prio_open(&btv->prio, &fh->prio); + v4l2_fh_init(&fh->fh, vdev); btv->radio_user++; bttv_call_all(btv, tuner, s_radio); audio_input(btv,TVAUDIO_INPUT_RADIO); + v4l2_fh_add(&fh->fh); return 0; } @@ -3285,8 +3235,9 @@ static int radio_release(struct file *file) struct bttv *btv = fh->btv; struct saa6588_command cmd; - v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); kfree(fh); btv->radio_user--; @@ -3948,6 +3899,7 @@ static struct video_device *vdev_init(struct bttv *btv, vfd->v4l2_dev = &btv->c.v4l2_dev; vfd->release = video_device_release; vfd->debug = bttv_debug; + set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); video_set_drvdata(vfd, btv); snprintf(vfd->name, sizeof(vfd->name), "BT%d%s %s (%s)", btv->id, (btv->id==848 && btv->revision==0x12) ? "A" : "", @@ -4086,7 +4038,6 @@ static int bttv_probe(struct pci_dev *dev, const struct pci_device_id *pci_id) INIT_LIST_HEAD(&btv->c.subs); INIT_LIST_HEAD(&btv->capture); INIT_LIST_HEAD(&btv->vcapture); - v4l2_prio_init(&btv->prio); init_timer(&btv->timeout); btv->timeout.function = bttv_irq_timeout; diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h index 288cfd8bb560..12cc4ebdc00f 100644 --- a/drivers/media/pci/bt8xx/bttvp.h +++ b/drivers/media/pci/bt8xx/bttvp.h @@ -221,9 +221,6 @@ struct bttv_fh { struct bttv *btv; int resources; -#ifdef VIDIOC_G_PRIORITY - enum v4l2_priority prio; -#endif enum v4l2_buf_type type; /* video capture */ @@ -420,9 +417,6 @@ struct bttv { spinlock_t s_lock; struct mutex lock; int resources; -#ifdef VIDIOC_G_PRIORITY - struct v4l2_prio_state prio; -#endif /* video state */ unsigned int input;