From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH 4/5 v2] ARM: shmobile: bockw: add R-Car sound support (PIO)
Date: Wed, 04 Sep 2013 18:38:18 +0000 [thread overview]
Message-ID: <52277E1A.6060803@cogentembedded.com> (raw)
In-Reply-To: <87bo4kvnow.wl%kuninori.morimoto.gx@renesas.com>
Hello.
On 08/26/2013 12:52 PM, 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.
Looks like Vinod Koul has queued HPP-DMAC for 3.12-rc1 in his 'next'
branch, so you can start looking at addign DMA for 3.13. I'll submit the
patches enabling HPB-DMAC in {marzen|bockw}_defconfig later...
WBR, Sergei
next prev parent reply other threads:[~2013-09-04 18:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 4:05 [PATCH 0/5] ARM: shmobile: bockw: add Sound support Kuninori Morimoto
2013-08-21 8:50 ` Simon Horman
2013-08-26 8:50 ` [PATCH 0/5 v2] " Kuninori Morimoto
2013-08-26 8:52 ` [PATCH 4/5 v2] ARM: shmobile: bockw: add R-Car sound support (PIO) Kuninori Morimoto
2013-09-04 18:38 ` Sergei Shtylyov [this message]
2013-09-05 5:57 ` Simon Horman
2013-09-05 7:19 ` Simon Horman
2013-09-05 7:19 ` Simon Horman
2013-09-05 7:31 ` Simon Horman
2013-09-05 7:31 ` Simon Horman
2013-09-05 7:40 ` Kuninori Morimoto
2013-09-05 7:40 ` Kuninori Morimoto
2013-09-05 13:53 ` Mark Brown
2013-09-05 13:53 ` Mark Brown
2013-09-06 2:16 ` Simon Horman
2013-09-06 2:16 ` Simon Horman
2013-08-30 0:42 ` [PATCH 0/5 v2] ARM: shmobile: bockw: add Sound support Kuninori Morimoto
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