diff options
Diffstat (limited to 'drivers/media/usb/hdpvr/hdpvr-video.c')
-rw-r--r-- | drivers/media/usb/hdpvr/hdpvr-video.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index 7580fc5f2f12..5b3e67b80627 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -435,7 +435,7 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, /* wait for the first buffer */ if (!(file->f_flags & O_NONBLOCK)) { if (wait_event_interruptible(dev->wait_data, - hdpvr_get_next_buffer(dev))) + !list_empty_careful(&dev->rec_buff_list))) return -ERESTARTSYS; } @@ -461,10 +461,17 @@ static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count, goto err; } if (!err) { - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, - "timeout: restart streaming\n"); + v4l2_info(&dev->v4l2_dev, + "timeout: restart streaming\n"); + mutex_lock(&dev->io_mutex); hdpvr_stop_streaming(dev); - msecs_to_jiffies(4000); + mutex_unlock(&dev->io_mutex); + /* + * The FW needs about 4 seconds after streaming + * stopped before it is ready to restart + * streaming. + */ + msleep(4000); err = hdpvr_start_streaming(dev); if (err) { ret = err; @@ -577,9 +584,6 @@ static int vidioc_querycap(struct file *file, void *priv, strscpy(cap->driver, "hdpvr", sizeof(cap->driver)); strscpy(cap->card, "Hauppauge HD PVR", sizeof(cap->card)); usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | - V4L2_CAP_READWRITE; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; return 0; } @@ -1127,9 +1131,7 @@ static void hdpvr_device_release(struct video_device *vdev) struct hdpvr_device *dev = video_get_drvdata(vdev); hdpvr_delete(dev); - mutex_lock(&dev->io_mutex); flush_work(&dev->worker); - mutex_unlock(&dev->io_mutex); v4l2_device_unregister(&dev->v4l2_dev); v4l2_ctrl_handler_free(&dev->hdl); @@ -1150,6 +1152,8 @@ static const struct video_device hdpvr_video_template = { .release = hdpvr_device_release, .ioctl_ops = &hdpvr_ioctl_ops, .tvnorms = V4L2_STD_ALL, + .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO | + V4L2_CAP_READWRITE, }; static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = { |