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[media] hdpvr: code cleanup

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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>
This commit is contained in:
Hans Verkuil 2013-05-29 03:55:14 -03:00 • committed by Mauro Carvalho Chehab
parent ab6e134a48
commit 79f10b625e
1 changed files with 33 additions and 33 deletions
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66
drivers/media/usb/hdpvr/hdpvr-video.c
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@ -281,43 +281,43 @@ static int hdpvr_start_streaming(struct hdpvr_device *dev)
if (dev->status == STATUS_STREAMING) if (dev->status == STATUS_STREAMING)
return 0; return 0;
else if (dev->status != STATUS_IDLE) if (dev->status != STATUS_IDLE)
return -EAGAIN; return -EAGAIN;
ret = get_video_info(dev, &vidinf); ret = get_video_info(dev, &vidinf);
if (ret) {
if (!ret) { msleep(250);
v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
"video signal: %dx%d@%dhz\n", vidinf.width, "no video signal at input %d\n", dev->options.video_input);
vidinf.height, vidinf.fps); return -EAGAIN;
/* 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;
dev->status = STATUS_STREAMING;
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");
return 0;
} }
msleep(250);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
"no video signal at input %d\n", dev->options.video_input); "video signal: %dx%d@%dhz\n", vidinf.width,
return -EAGAIN; 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;
ret = hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
if (ret)
return ret;
dev->status = STATUS_STREAMING;
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");
return 0;
} }