diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-05-29 08:55:14 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-13 16:33:51 +0200 |
| commit | 79f10b625e5eff93c8fad54ba345e5f35feb8461 (patch) | |
| tree | 3b7e14a90460f3d449d99f9c41472a3248a013e8 /drivers/media/usb/hdpvr | |
| parent | [media] hdpvr: fix querystd 'unknown format' return (diff) | |
| download | linux-79f10b625e5eff93c8fad54ba345e5f35feb8461.tar.xz linux-79f10b625e5eff93c8fad54ba345e5f35feb8461.zip | |
[media] hdpvr: code cleanup
Remove an unnecessary 'else' and invert a condition which makes the code
more readable.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/usb/hdpvr')
| -rw-r--r-- | drivers/media/usb/hdpvr/hdpvr-video.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c index 81018c478f44..e9471059056e 100644 --- a/drivers/media/usb/hdpvr/hdpvr-video.c +++ b/drivers/media/usb/hdpvr/hdpvr-video.c @@ -281,43 +281,43 @@ static int hdpvr_start_streaming(struct hdpvr_device *dev) if (dev->status == STATUS_STREAMING) return 0; - else if (dev->status != STATUS_IDLE) + if (dev->status != STATUS_IDLE) return -EAGAIN; ret = get_video_info(dev, &vidinf); + if (ret) { + msleep(250); + v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, + "no video signal at input %d\n", dev->options.video_input); + return -EAGAIN; + } - if (!ret) { - v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, - "video signal: %dx%d@%dhz\n", vidinf.width, - vidinf.height, vidinf.fps); + v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, + "video signal: %dx%d@%dhz\n", vidinf.width, + vidinf.height, vidinf.fps); - /* start streaming 2 request */ - ret = usb_control_msg(dev->udev, - usb_sndctrlpipe(dev->udev, 0), - 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); - v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, - "encoder start control request returned %d\n", ret); - if (ret < 0) - return ret; + /* start streaming 2 request */ + ret = usb_control_msg(dev->udev, + usb_sndctrlpipe(dev->udev, 0), + 0xb8, 0x38, 0x1, 0, NULL, 0, 8000); + v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, + "encoder start control request returned %d\n", ret); + if (ret < 0) + return ret; - ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); - if (ret) - return ret; + ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00); + if (ret) + return ret; - dev->status = STATUS_STREAMING; + dev->status = STATUS_STREAMING; - INIT_WORK(&dev->worker, hdpvr_transmit_buffers); - queue_work(dev->workqueue, &dev->worker); + INIT_WORK(&dev->worker, hdpvr_transmit_buffers); + queue_work(dev->workqueue, &dev->worker); - v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, - "streaming started\n"); + v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, + "streaming started\n"); - return 0; - } - msleep(250); - v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, - "no video signal at input %d\n", dev->options.video_input); - return -EAGAIN; + return 0; } |