diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-04-15 17:19:58 (GMT) |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-17 13:26:27 (GMT) |
| commit | fc8ba7f94d84e1ccd351e41c778e36710834334e (patch) | |
| tree | 5e7a69fddf6c2bc009f506c82c72e1eb80322767 /sound/soc/fsl/imx-ssi.c | |
| parent | 610f780050090db1af024bd060f819478a656cd0 (diff) | |
| download | linux-fc8ba7f94d84e1ccd351e41c778e36710834334e.tar.xz | |
ASoC: imx: Setup dma data in DAI probe
This allows us to access the DAI DMA data when we create the PCM. We'll use
this when converting imx to generic DMA engine PCM driver.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/fsl/imx-ssi.c')
| -rw-r--r-- | sound/soc/fsl/imx-ssi.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c index 7c84eb1..9128b7b 100644 --- a/sound/soc/fsl/imx-ssi.c +++ b/sound/soc/fsl/imx-ssi.c @@ -232,23 +232,6 @@ static int imx_ssi_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, return 0; } -static int imx_ssi_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *cpu_dai) -{ - struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); - struct snd_dmaengine_dai_dma_data *dma_data; - - /* Tx/Rx config */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dma_data = &ssi->dma_params_tx; - else - dma_data = &ssi->dma_params_rx; - - snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); - - return 0; -} - /* * Should only be called when port is inactive (i.e. SSIEN = 0), * although can be called multiple times by upper layers. @@ -353,7 +336,6 @@ static int imx_ssi_trigger(struct snd_pcm_substream *substream, int cmd, } static const struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = { - .startup = imx_ssi_startup, .hw_params = imx_ssi_hw_params, .set_fmt = imx_ssi_set_dai_fmt, .set_clkdiv = imx_ssi_set_dai_clkdiv, @@ -373,6 +355,10 @@ static int imx_ssi_dai_probe(struct snd_soc_dai *dai) SSI_SFCSR_RFWM0(ssi->dma_params_rx.maxburst); writel(val, ssi->base + SSI_SFCSR); + /* Tx/Rx config */ + dai->playback_dma_data = &ssi->dma_params_tx; + dai->capture_dma_data = &ssi->dma_params_rx; + return 0; } |