Re: Re: [Alsa-devel] ALSA 1.0.0pre3 release

[Takashi Iwai <tiwai@suse.de>]

At Wed, 26 Nov 2003 13:10:11 +0100,
Ronny V. Vindenes wrote:
> 
> On Wed, 2003-11-26 at 11:44, Takashi Iwai wrote: 
> > At Wed, 26 Nov 2003 01:11:07 +0100,
> > Ronny V. Vindenes wrote:
> > > 
> > > On Tue, 2003-11-25 at 20:04, Takashi Iwai wrote:
> > > > Hi,
> > > > 
> > > > right now the ALSA 1.0.0pre3 packages are released.
> > > > 
> > > > In this version, alsa-tools package was divided to two several ones,
> > > > alsa-tools and alsa-firmware.  The latter contains only the firmware
> > > > binary files required by loader programs in alsa-tools package.
> > > > Please test them if you have a board requiring the loader (hdsp,
> > > > mixart, vx, usx2y).
> > > > 
> > > > Especially, HDSP users, please test and report whether it works, since
> > > > the hdsploader was modified to load the files dynamically.
> > > > 
> > > > 
> > > 
> > > mmap'ed sound with the cs46xx driver seems to be broken, every other
> > > half second the sound is muted. Non-mmap'ed sound plays normally. This
> > > is under 2.6.0-test9-mm5. The version included in test9-mm5 works as
> > > expected (there was some patches in mm5 against ALSA, but applying those
> > > to 1.0.0pre3 made no difference for this particular problem).
> > 
> > there is no big change in cs46xx driver itself, so the change is
> > either in kernel core or in the config.
> > do you use CONFIG_SND_CS46XX_NEW_DSP ?
> 
> Yes.
> 
> I've tested it with 2.6.0-test10 too now, and I've narrowed it down a
> bit: native alsa mmap'ed or not works, but oss emulation only works
> correctly when not using mmap.
> 
> Things like wine, quake3, Enemy Territory all sound awful. Plain
> 2.6.0-test10 works fine in all cases.

to be sure, try to set direct mode for oss-emulation via writing to
the proc file.  see alsa-kernel/Documentation/OSS-Emulation.txt.

also, please check /proc/asound/card0/pcm0p/sub0/* files in both
cases.


Takashi


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