From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Tue, 20 Nov 2012 09:22:03 +0000 Subject: Re: [PATCH 2/2] ASoC: atmel-pcm: add dma support Message-Id: <50AB4BBB.7050308@atmel.com> List-Id: References: <1353400698-19384-1-git-send-email-voice.shen@atmel.com> <1353400698-19384-2-git-send-email-voice.shen@atmel.com> <20121120085728.GX10560@opensource.wolfsonmicro.com> In-Reply-To: <20121120085728.GX10560@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mark Brown Cc: plagnioj@jcrosoft.com, nicolas.ferre@atmel.com, linux-arm-kernel@lists.infradead.org, devicetree-discuss@lists.ozlabs.org, linux-sound@vger.kernel.org, alsa-devel@alsa-project.org Hi Mark, On 11/20/2012 16:57, Mark Brown wrote: > On Tue, Nov 20, 2012 at 04:38:18PM +0800, Bo Shen wrote: >> Change xfer_size name to apply to PDC and DMA aswell. >> Specify overrun bit in interrupt mask. >> Add dmaengine specific routines and replace PDC ones in >> pcm_ops if appropriate. >> Uses cyclic DMA API for queuing samples. > > If you're using dmaengine you really need a *very* good reason not to > use the core dmaengine support... You mean I should using the soc-dmaengine-pcm, am I right? Best Regards Bo Shen