diff options
| author | Stephen Warren <swarren@nvidia.com> | 2013-12-10 19:34:46 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-18 18:54:03 (GMT) |
| commit | a8983d4b0a8c439bddae0c9fd1e8a4cf7c402262 (patch) | |
| tree | 3ca552988e191ab91b064de4b817516f661f8e58 /sound/soc/cirrus/ep93xx-i2s.c | |
| parent | 6f2032a18969d22740a865e0b4f2e48cf5338f36 (diff) | |
| download | linux-a8983d4b0a8c439bddae0c9fd1e8a4cf7c402262.tar.xz | |
ASoC: ep93xx: remove custom DMA alloc compat function
ep93xx_compat_request_channel() is almost identical to
dmaengine_pcm_compat_request_channel(), with the exception that the
latter:
a) Assumes that the DAI DMA data is a struct snd_dmaengine_dai_dma_data
pointer rather than some custom type.
b) dma_data->filter_data rather than dma_data should be passed to
snd_dmaengine_pcm_request_channel() as the filter data.
Make minor changes to the ep93xx DAI drivers so that those two conditions
are met. This allows removal of the custom .compat_request_channel().
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/cirrus/ep93xx-i2s.c')
| -rw-r--r-- | sound/soc/cirrus/ep93xx-i2s.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c index 167728a..943145f 100644 --- a/sound/soc/cirrus/ep93xx-i2s.c +++ b/sound/soc/cirrus/ep93xx-i2s.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <sound/core.h> +#include <sound/dmaengine_pcm.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/initval.h> @@ -63,6 +64,8 @@ struct ep93xx_i2s_info { struct clk *sclk; struct clk *lrclk; void __iomem *regs; + struct snd_dmaengine_dai_dma_data dma_params_rx; + struct snd_dmaengine_dai_dma_data dma_params_tx; }; static struct ep93xx_dma_data ep93xx_i2s_dma_data[] = { @@ -142,8 +145,15 @@ static void ep93xx_i2s_disable(struct ep93xx_i2s_info *info, int stream) static int ep93xx_i2s_dai_probe(struct snd_soc_dai *dai) { - dai->playback_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK]; - dai->capture_dma_data = &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE]; + struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(dai); + + info->dma_params_tx.filter_data = + &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_PLAYBACK]; + info->dma_params_rx.filter_data = + &ep93xx_i2s_dma_data[SNDRV_PCM_STREAM_CAPTURE]; + + dai->playback_dma_data = &info->dma_params_tx; + dai->capture_dma_data = &info->dma_params_rx; return 0; } |