Re: No audio support for BeagleBoard in Latest GIT tree?

[ndno72-omap@yahoo.com]

> > 2) The BeagleBoard uses the twl4030 device for its audio (among other things); 
> for our OMAP3 custom board, we're not using that, we're going to continue use 
> the AIC33 codec (like what we used on our Davinci custom board).  Is adding 
> support for the AIC33 codec as simple as enabling that option in the OMAP3 GIT 
> kernel configuration under ALSA?  Or do I have to do a lot of porting?  If so, 
> what is the best approach, i.e. porting the AIC33 initialization/driver code for 
> mthe Davinci GIT kernel into OMAP3 GIT kernel?
> 
> With ALSA System on Chip (ASoC) porting is pretty simple. There is
> already driver for AIC33 (sound/soc/codecs/tlv320aic3x.c), ASoC OMAP
> platfrom drivers (sound/soc/omap) and also machine drivers using AIC33
> (sound/soc/omap/n810.c and sound/soc/davinci/davinci-evm.c).
> 
> So what you need is basically to write your own machine driver using
> mostly copy-paste approach.
> 
> > 3) Is OSS audio API no longer supported?  Our existing application uses the 
> OSS audio API; the latest kernel seems to only support ALSA; is OSS emulation 
> (on top of ALSA) working and/or reliable?
> 
> At least some few OSS applications I have tried were working fine with
> OSS emulation.
> 

Thanks for the advice and pointers.  Hopefully, when I get my hands dirty in a few weeks and I get into troubles, people like you on this board can help.

Regards,
Andy