[alsa-devel] [PATCH 1/1] ymfpci - enable rear device and dup4ch control when ac97 support 4 channels

[Takashi Iwai]

At Tue, 20 Sep 2011 14:41:26 +0800,
Raymond Yau wrote:
> 
> 2011/9/20 Takashi Iwai <tiwai at suse.de>:
> > At Mon, 19 Sep 2011 21:51:11 +0800,
> > Raymond Yau wrote:
> >>
> >> ymfpci - enable rear device and dup4ch control when ac97 support 4 channels
> >
> > You mean _only_ when ac97 supports, right?
> > A bit more patch description would be helpful.
> > There are more free spaces in the changelog area :)
> >
> 
> 
> http://thread.gmane.org/gmane.linux.alsa.devel/89391
> 
> I want to remove "rear" device from my mf724f since it only has three
> jacks, (i.e. blue , pink and green) and stac9704
> 
> It seem that those ymf7xx does not support I2S Output
> 
> According to 744 and 754 datasheet , it support multiple ac97 but
> snd-ymfpci does not support secodary ac97 , so the patch only check
> the sdac bit the primary ac97 codec

Please put such detailed information in the patch changelog, and
resubmit.


thanks,

Takashi