diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-02-22 13:49:05 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-02-22 17:21:49 +0400 |
| commit | 91a38540f504cdde7cb62668f7a6d52e3bd0178b (patch) | |
| tree | de286920fe5f4e5387164a5652bb1f704d553e4e | |
| parent | f7085641eeaeaab5216bab143287d2288940d9a2 (diff) | |
| download | linux-91a38540f504cdde7cb62668f7a6d52e3bd0178b.tar.xz | |
ASoC: imx-ssi: Set dma data early
Move the call to snd_soc_dai_set_dma_data from the hw_params callback to the
startup callback. This allows us to use the dma data in the pcm driver's open
callback.
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>
| -rw-r--r-- | sound/soc/imx/imx-ssi.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 01d1f749cf02..dbf43f5f0aed 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -233,6 +233,23 @@ 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 imx_pcm_dma_params *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. @@ -242,23 +259,17 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai) { struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); - struct imx_pcm_dma_params *dma_data; u32 reg, sccr; /* Tx/Rx config */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) reg = SSI_STCCR; - dma_data = &ssi->dma_params_tx; - } else { + else reg = SSI_SRCCR; - dma_data = &ssi->dma_params_rx; - } if (ssi->flags & IMX_SSI_SYN) reg = SSI_STCCR; - snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data); - sccr = readl(ssi->base + reg) & ~SSI_STCCR_WL_MASK; /* DAI data (word) size */ @@ -343,6 +354,7 @@ 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, |