[alsa-devel] [PATCHv2 1/1] OMAP_TWL4030 SoC Audio driver.

Mark Brown broonie at sirena.org.uk
Thu Nov 27 16:54:39 CET 2008

On Thu, Nov 27, 2008 at 11:56:05PM +0800, stanley.miao wrote:
> On Thu, 2008-11-27 at 13:19 +0000, Mark Brown wrote:

> > As I said in response to your original posting I'd strongly urge you to
> > look at the s3c24xx_uda134x driver for an example of how something like
> > this can be implemented.

> I tried to make it work whether there is platform_data or not. If I
> write it according to s3c24xx_uda134x style, every board should register
> a platform_device. 

Yes, exactly.

> > This still has the previous problem with your use of ifdefs: it means
> > that it's not possible to build the driver for configurations that both
> > do and don't need this.

> This is why there is a SND_OMAP_TWL4030_SPECIFIC in Kconfig. If there
> are some board specific features, SND_OMAP_TWL4030_SPECIFIC should be
> selected under a board config, and omap_twl4030_specific_init() will be
> difined in the board specific file.

As previously mentioned this prevents building a single kernel with
support for multiple boards.  That would be a regression from the
current situation and isn't really acceptable.

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