[alsa-devel] Error enabling dmix with ALSA

ruchi sirauthiya ruchisirauthiya at gmail.com
Sun Aug 30 14:13:23 CEST 2009


Hi,

> That's the reason.  dmix uses the ALSA timer device to sync the

position.


> Takashi


Thanks a lot, I moved /dev/timer to /dev/snd/timer and aplay (and dmix
plugin) worked!

Ruchi

On Thu, Aug 20, 2009 at 2:06 PM, Takashi Iwai <tiwai at suse.de> wrote:

> At Thu, 20 Aug 2009 13:02:20 +0530,
> ruchi sirauthiya wrote:
> >
> > Hi,
> > No, I do not have /dev/snd/timer device entry.
>
> That's the reason.  dmix uses the ALSA timer device to sync the
> position.
>
>
> Takashi
>
> >
> > A small correction... I am using TPS65950 codec and not TWL4030.
> >
> > Ruchi Sirauthiya
> >
> >
> > On Wed, Aug 19, 2009 at 5:46 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >
> > > At Sun, 16 Aug 2009 15:49:11 +0530,
> > > ruchi sirauthiya wrote:
> > > >
> > > > Hi,
> > > >
> > > > I am trying to enable a software mixer (using ALSA and dmix) on an
> OMAP3
> > > > based embedded target board using the twl4030 codec.
> > > >
> > > > When I try to play audio using the command,
> > > >
> > > > # aplay -D playback rec.wav
> > > >
> > > > I am getting the following error:
> > > >
> > > > ALSA lib pcm_direct.c:1098:(snd_pcm_direct_initialize_poll_fd) unable
> to
> > > > open timer 'hw:CLASS=3,SCLASS=0,CARD=0,DEV=0,SUBDEV=0'
> > >
> > > Do you have /dev/snd/timer device?
> > >
> > >
> > > Takashi
> > >
> > [2  <text/html; ISO-8859-1 (quoted-printable)>]
> >
>


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