Re: [Alsa-user] Unknown PCM default

[Carlos M. <ca...@ke...>]

Carlos Munoz wrote:

> Lee Revell wrote:
>
>> 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.
>>
>>  
>>
> It is a new driver for the Renesas SH7343 Sound Interface Unit that I 
> wrote. The product is a new cell phone with a LCD display that will 
> play movie clips and audio to headphones. It worked well on my test 
> board when I was using manually compiled alsa-lib and alsa-utils. Now 
> I'm testing the software image that will be release to the customer 
> and I get this errors. This image includes alsa libraries that were 
> built by a different process (not sure about the differences though). 
> Since the driver worked before, I think it might be a configuration 
> problem... but I can't say for sure.
>
I forgot to mention that I hear noise if I cat a file to /dev/dsp or 
/dev/audio. Not sure it this means anything.

Thanks,


Carlos