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[media] em28xx-audio: fix return code on device disconnect 

Alsa has an special non-negative return code to indicate device removal
at snd_em28xx_capture_pointer(). Use it, instead of an error code.

Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-01-12 12:57:08 -03:00
parent e847022a8e
commit 229295f1d6
1 changed files with 1 additions and 1 deletions
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2
drivers/media/usb/em28xx/em28xx-audio.c
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@ -434,7 +434,7 @@ static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream
dev = snd_pcm_substream_chip(substream);
if (dev->disconnected)
return -ENODEV;
return SNDRV_PCM_POS_XRUN;
spin_lock_irqsave(&dev->adev.slock, flags);
hwptr_done = dev->adev.hwptr_done_capture;