[alsa-devel] Samsung: New driver for AC97 controllers

jassi brar jassisinghbrar at gmail.com
Tue Jan 26 07:16:54 CET 2010

On Tue, Jan 26, 2010 at 2:51 PM,  <jassisinghbrar at gmail.com> wrote:
> From: Jassi Brar <jassi.brar at samsung.com>
> Hi,
>  I am going to submit new driver for the AC97-ver-2.0 controllers found in
> Samsung SoCs. The driver is named generic s3c-ac97.c
>  The driver has been tested for on s3c64xx and newer SoCs and is confirmed
> to support Playback/Capture and VRA.
>  A machine driver, for SMDKs with wm9713 as AC97 codec attached, has also
> been added. The driver is generic enough to be used as such with newer SoCs.
>  The controller driver patch is meant for Mark Brown's for-2.6.34
>  Other patches apply cleanly against the Ben Dooks' next-samsung
>  The s3c-ac97.c is meant to replace s3c2443-ac97.c after someone confirms
> Playback/Capture to work fine. My smdk2443 seems to not play any sound though
> the DAI link is establised and the codec detected fine.
I forgot to mention that that's the status with new s3c-ac97.c as well as
 old s3c2443-ac97.c .... now read on please.

> So, my opinion is that the new driver is atleast as good as the old one.
> If that is good enough, I have patches ready that switch the only two users
> of s3c2443-ac97.c(smdk2443 and ln2440sbc) to use this new driver.
> Regards.
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