[alsa-devel] [PATCH 7/9] ASoC: tegra: move to generic DMA DT binding
lars at metafoo.de
Wed Jul 24 08:58:27 CEST 2013
On 07/24/2013 06:10 AM, Richard Zhao wrote:
> - add tegra_dma_filter_data to specify dma info
> DMA DT binding needs the device that raise dma request and dma name
> to request a dma channel. tegra30_i2s is a special case. It should be ahub
> device and it also has dma name that cannot handled by ASoC dmaengine code.
> So we pass the info using filter data in snd_dmaengine_dai_dma_data.
How about extending the generic dmaengine PCM driver so that it is possible to
specify the the DMA channel names? I think that will make the code a bit
simpler and also allow you to remove tegra_pcm.c completely eventually.
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