diff options
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-video.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index a91a248..7000e22 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -909,6 +909,8 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) struct em28xx *dev = fh->dev; int rc; + if (dev->board.is_webcam) + return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -924,6 +926,8 @@ static int vidioc_querystd(struct file *file, void *priv, v4l2_std_id *norm) struct em28xx *dev = fh->dev; int rc; + if (dev->board.is_webcam) + return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -940,15 +944,24 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) struct v4l2_format f; int rc; + if (dev->board.is_webcam) + return -ENOTTY; + if (*norm == dev->norm) + return 0; rc = check_dev(dev); if (rc < 0) return rc; + if (videobuf_queue_is_busy(&fh->vb_vidq)) { + em28xx_errdev("%s queue busy\n", __func__); + return -EBUSY; + } + dev->norm = *norm; /* Adjusts width/height, if needed */ - f.fmt.pix.width = dev->width; - f.fmt.pix.height = dev->height; + f.fmt.pix.width = 720; + f.fmt.pix.height = (*norm & V4L2_STD_525_60) ? 480 : 576; vidioc_try_fmt_vid_cap(file, priv, &f); /* set new image size */ @@ -1034,6 +1047,9 @@ static int vidioc_enum_input(struct file *file, void *priv, i->type = V4L2_INPUT_TYPE_TUNER; i->std = dev->vdev->tvnorms; + /* webcams do not have the STD API */ + if (dev->board.is_webcam) + i->capabilities = 0; return 0; } @@ -2059,7 +2075,6 @@ static const struct video_device em28xx_video_template = { .ioctl_ops = &video_ioctl_ops, .tvnorms = V4L2_STD_ALL, - .current_norm = V4L2_STD_PAL, }; static const struct v4l2_file_operations radio_fops = { @@ -2109,6 +2124,8 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev, vfd->debug = video_debug; vfd->lock = &dev->lock; set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); + if (dev->board.is_webcam) + vfd->tvnorms = 0; snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); @@ -2127,7 +2144,7 @@ int em28xx_register_analog_devices(struct em28xx *dev) dev->name, EM28XX_VERSION); /* set default norm */ - dev->norm = em28xx_video_template.current_norm; + dev->norm = V4L2_STD_PAL; v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); dev->interlaced = EM28XX_INTERLACED_DEFAULT; |