ALSA: usb-audio: ignore delay calculation for capture stream
authorTakashi Iwai <tiwai@suse.de>
Fri, 23 Nov 2012 13:28:42 +0000 (14:28 +0100)
committerTakashi Iwai <tiwai@suse.de>
Fri, 23 Nov 2012 14:37:32 +0000 (15:37 +0100)
It doesn't make sense to calculate the delay for capture streams in
the current implementation.  It's always zero, so we should skip the
computation in snd_usb_pcm_pointer() in the case of capture.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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