[alsa-devel] [PATCH] Allow to switch hardware sampe rate on EMU
tiwai at suse.de
Mon Feb 25 10:55:54 CET 2013
At Mon, 25 Feb 2013 09:47:15 +0000,
Mihail Zenkov wrote:
> 2013/2/25, Takashi Iwai <tiwai at suse.de>:
> > At Fri, 22 Feb 2013 17:59:38 +0000,
> > Mihail Zenkov wrote:
> >> Commit 57e5c63007955838043e34c732d224b2cbbb128f "emu10k1: allow to
> >> disable the SRC"
> >> force hardware use only one rate (48000 hz), but EMU have support two
> >> hardware
> >> sampling rates (44100 and 48000 hz).
> > The commit serves for its purpose: it restricts the sample rate only
> > when user specifies to disable h/w resample. Emu chip is driven in
> > 48k rate and other rates are the result of resampling.
> Yes you right, but only for Audigy + Emu chip. EMU 0404/1010/1616 have
> two crystal oscillators on board. User can switch hardware sample rate
> (in alsa - with alsamixer). My patch check if we have real EMU and
> choose correct sample rate to restrict.
Ah, OK, then your patch would make sense. Could you update the patch
description to elaborate a bit more about this?
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