[alsa-devel] Fixing my sound driver

Takashi Iwai tiwai at suse.de
Mon Jan 21 14:38:28 CET 2008


At Sun, 20 Jan 2008 21:31:33 +0000,
Adrian McMenamin wrote:
> 
> I am still trying to find out what is wrong with my sound driver - for
> the Sega Dreamcast (sound/sh/aica.c). This works perfectly with the
> OSS emulation layer but will not work with the ALSA layer per se.
> 
> As this shows - there is something wrong with how it interacts with
> the PCM layer of alsa-lib:
> 
> $ aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: AICA [AICA], device 0: AICA PCM [AICA PCM]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> $
> $
> $ aplay -L
> null
>     Discard all samples (playback) or generate zero samples (capture)
> 
> 
> I have no reason to think that my build of alsa-lib is wrong - both
> the automagic buildroot build and my own by-hand build behave the same
> way.
> 
> So therefore I assume it must be something in the driver?!

I don't think so.  Try to load snd-dummy.


Takashi


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