[alsa-devel] [PATCH 4/5 v2] ARM: shmobile: bockw: add R-Car sound support (PIO)
horms at verge.net.au
Thu Sep 5 09:31:18 CEST 2013
On Thu, Sep 05, 2013 at 04:19:50PM +0900, Simon Horman wrote:
> [ CC Mark Brown, alsa-devel ]
> On Thu, Sep 05, 2013 at 02:57:51PM +0900, Simon Horman wrote:
> > On Mon, Aug 26, 2013 at 01:52:35AM -0700, Kuninori Morimoto wrote:
> > > This patch enables R-Car sound,
> > > AK4643 (CN19) and AK4554 (CN20/CN21) codec chip
> > > on Bock-W.
> > >
> > > But, it supports PIO transfer only at this point.
> > > User can check sound settings (Dip-switch/PFC etc)
> > > via this patch, but will get under/over flow error
> > > when playback/capture.
> > > Because PIO transfer via SSI will be interrupted
> > > "sampling rate" times per 1 second.
> > >
> > > DMA transfer will be supported when HPB-DMAC was
> > > enabled on r8a7778.
> > >
> > > You will notice strange ALSA sound card HW
> > > numbering on Bock-W board.
> > > This came from AK4554 strange format on playback/capture.
> > > The format on playback/capture is same on "normal" codec chip,
> > > but AK4554 was different.
> > > Because of that, AK4554 playback/capture are
> > > registered as a different sound card.
> > >
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> > > ---
> > > v1 -> v2
> > Thanks, I have queued this up for v3.13.
> > There was a bit of diff-noise, please make sure I have applied it
> > correctly. The patch I applied is below:
> Unfortunately I didn't read your cover email carefully before queuing this up.
> I now see that it has dependencies that aren't present in v3.11-rc and
> thus I have temporarily dropped it.
> It seems to me that the dependencies could be provided by
> the topic/car branch of
> Morimoto-san, is this correct?
> If so, Mark, would it be possible for you to provide topic/car
> or similar as stable branch for me to use as a base?
> My intention is to queue these up for v3.13.
Alternatively, if the dependencies are likely to
appear in v3.12-rc1 or v3.12-rc2 then I can just wait until
they are available there.
More information about the Alsa-devel