[alsa-devel] [PATCH 0/1] alsa-lib: pcm_hw: Always use delay ioctl in snd_pcm_delay()

[Raymond Yau]

It seem that the problem is snd_pcm_rewindable() return a wrong value

It is unlikely for the application to rewind the application pointer to
hardware pointer (e.g. usb audio, cs46xx and au88x0 )

http://thread.gmane.org/gmane.linux.alsa.devel/65759/focus=65773

2009/9/11 Kai Vehmanen <kvehmanen at eca.cx>

> Hello all,
>
> this is a updated version of the alsa-lib patch I mentioned in
> the earlier thread:
>
> http://mailman.alsa-project.org/pipermail/alsa-devel/2009-August/020377.html
>
> That was meant to just describe the possible problem, but now I'm more
> confident that this should be considered for merging. The related
> alsa-kernel patch is 'ALSA: Add extra delay count in PCM', which added the
> 'runtime->delay' property.
>
> Please review if this patch makes sense.
>
> Kai Vehmanen (1):
>   pcm_hw: Always use delay ioctl in snd_pcm_delay()
>
>  src/pcm/pcm_hw.c |   22 ----------------------
>  1 files changed, 0 insertions(+), 22 deletions(-)
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