[alsa-devel] [PATCH 1/2] ALSA: usb-audio: ignore delay calculation for capture stream

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Mon Nov 26 15:24:16 CET 2012

On 11/23/2012 09:21 AM, Takashi Iwai wrote:
> 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.

Shouldn't we add support for delay on the capture path instead? We could 
use the same frame counter to report the delay and resync when the urb 
is retired.

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