[alsa-devel] ASoC: TWL4030 driver support multi channel playback

Peter Ujfalusi peter.ujfalusi at nokia.com
Tue Jun 2 08:04:46 CEST 2009

On Tuesday 02 June 2009 08:33:59 ext Naveen Krishna Ch wrote:
> 2. Backport the twl4030 codec driver with minimal amount of ASoC changes
> I tried this last night,  i was able to boot the board...
> Except the following thing
> Advanced Linux Sound Architecture Driver Version 1.0.18rc3.
> No device for DAI twl4030
> No device for DAI twl4030 Voice
> No device for DAI omap-mcbsp-dai-0
> No device for DAI omap-mcbsp-dai-1
> No device for DAI omap-mcbsp-dai-2
> No device for DAI omap-mcbsp-dai-3
> No device for DAI omap-mcbsp-dai-4
> omap3apple SoC init
> ALSA device list:
>   No soundcards found.
> I tried to fix this, it seems like a dev structure is missing during the
> codec registration. Can u help me find where i went wrong..

To resolve this you need to backport the changes in sound/soc/omap-* also and 
probably take a look at arch/arm/plat-omap/mcbsp.c as well.


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