[alsa-devel] [LAD] implementing audio device driver on embedded platforms

Clemens Ladisch clemens at ladisch.de
Tue Jul 7 12:48:04 CEST 2009

Jugalkishore Darak, Pankaj wrote:
> We are porting Linux to a platform which has ARM11 as its core
> processor. My job is to implement audio device driver.

Then you'd better ask on alsa-devel (CC'd).

> Most of the docs are meant for PC audio which has sound cards on PCI.
> And the source code resides in sound folder under the kernel root.
> Since mine is an embedded platform, where will my architecture specific
> code resides?

Any platform-specific code will be below your arch/ directory.
The DMA controller and the codecs are likely to be used on other
platforms too, so they'd go into sound/.

> Which all folders under sound folder will be used for embedded devices

mostly soc/

> and which APIs to look into?



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