diff options
Diffstat (limited to 'drivers/media/pci/cx88/cx88-video.c')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-video.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c index eadceebfed8e..64d6a722654c 100644 --- a/drivers/media/pci/cx88/cx88-video.c +++ b/drivers/media/pci/cx88/cx88-video.c @@ -792,6 +792,10 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, if (0 != err) return err; + if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq)) + return -EBUSY; + if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq)) + return -EBUSY; dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat); core->width = f->fmt.pix.width; core->height = f->fmt.pix.height; @@ -864,9 +868,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) struct cx8800_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; - cx88_set_tvnorm(core, tvnorms); - - return 0; + return cx88_set_tvnorm(core, tvnorms); } /* only one input in this sample driver */ @@ -1442,6 +1444,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev, dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); + /* Maintain a reference so cx88-blackbird can query the 8800 device. */ + core->v4ldev = dev; + /* initial device configuration */ mutex_lock(&core->lock); cx88_set_tvnorm(core, core->tvnorm); @@ -1544,6 +1549,7 @@ fail_unreg: free_irq(pci_dev->irq, dev); mutex_unlock(&core->lock); fail_core: + core->v4ldev = NULL; cx88_core_put(core,dev->pci); fail_free: kfree(dev); @@ -1572,6 +1578,8 @@ static void cx8800_finidev(struct pci_dev *pci_dev) free_irq(pci_dev->irq, dev); cx8800_unregister_video(dev); + core->v4ldev = NULL; + /* free memory */ cx88_core_put(core,dev->pci); kfree(dev); |