[alsa-devel] [PATCH 2/3] ASoC: DaVinci: pcm, rename variables in prep for ping/pong

Steve Chen schen at mvista.com
Wed Sep 30 00:25:25 CEST 2009


On Tue, 2009-09-29 at 15:09 -0700, Troy Kisky wrote:
> > 
> > Troy, do you have any theory yet on why your patch should permanently swap
> > channels?
> > 
> Memory in 16 bit samples
> L1,R1,L2,R2
> 
> Shifting out in 16 bit samples
> L1,R1,L2,R2
> 
> 
> Memory in 32 bit samples
> R1L1,R2L2,R3L3
> 
> Shifting out in 32 bit samples
> R1L1,R2L2
> 
> Codec sees 16 bit samples
> R1,L1,R2,L2
> 

If that is the case, wouldn't we see the channel swap on DM644x as well?
>From Sekhar's earlier e-mail, the channel swap appears specific to DM355
EVM.

Steve



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