Re: [Alsa-user] Unknown PCM default

[Lee R. <rlr...@jo...>]

On Wed, 2006-03-29 at 16:49 -0800, Carlos Munoz wrote:
> Hi All,
> 
> I'm getting the following error when using an alsa application:
> 
> ALSA lib pcm.c:2099:(snd_pcm_open_noupdate) Unknown PCM default
> Error opening PCM device default
> 

This is an incomplete driver - it sounds like the userspace component is
missing.  Please provide a pointer to the source.

> The output of the /proc files is:
> 
> # cat /proc/asound/cards
> 0 [siu-sh7343     ]: siu-sh7343 - Renesas sh7343 SIU
>                      Renesas sh7343 SIU irq 108
> 

What driver is this?  I don't see it in the ALSA tree.  There should be
a file /usr/share/alsa/cards/SIU-SH7343.conf that defines the default
PCM.

> # cat /proc/asound/devices
>   1:       : sequencer
>  18: [0- 2]: digital audio playback
>  26: [0- 2]: digital audio capture
>  17: [0- 1]: digital audio playback
>  25: [0- 1]: digital audio capture
>  16: [0- 0]: digital audio playback
>  24: [0- 0]: digital audio capture
>   0: [0- 0]: ctl
>  33:       : timer
> 
> Reading /cat/sndstat produces an error:
> 
>  # cat /dev/sndstat
> cat: /dev/sndstat: No such device
> 

This is a legacy OSS interface and would only be available if
snd-pcm-oss is loaded.

> I searched for the solution to this problem but didn't find anything. If 
> anyone knows how to fix this problem please let me know.