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>

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 8a7eac4bf6518bbf3e0de78fd450b5407ac2f433..ab27ffab83f3627d5a4f2a9262c0770bd1b78e6f 100644 (file)
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -425,12 +425,6 @@ static int fsl_ssi_startup(struct snd_pcm_substream *substream,
                ssi_private->second_stream = substream;
        }
 
-       if (ssi_private->ssi_on_imx)
-               snd_soc_dai_set_dma_data(dai, substream,
-                       (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
-                               &ssi_private->dma_params_tx :
-                               &ssi_private->dma_params_rx);
-
        return 0;
 }
 
@@ -552,6 +546,18 @@ static void fsl_ssi_shutdown(struct snd_pcm_substream *substream,
        }
 }
 
+static int fsl_ssi_dai_probe(struct snd_soc_dai *dai)
+{
+       struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(dai);
+
+       if (ssi_private->ssi_on_imx) {
+               dai->playback_dma_data = &ssi_private->dma_params_tx;
+               dai->capture_dma_data = &ssi_private->dma_params_rx;
+       }
+
+       return 0;
+}
+
 static const struct snd_soc_dai_ops fsl_ssi_dai_ops = {
        .startup        = fsl_ssi_startup,
        .hw_params      = fsl_ssi_hw_params,
@@ -561,6 +567,7 @@ static const struct snd_soc_dai_ops fsl_ssi_dai_ops = {
 
 /* Template for the CPU dai driver structure */
 static struct snd_soc_dai_driver fsl_ssi_dai_template = {
+       .probe = fsl_ssi_dai_probe,
        .playback = {
                /* The SSI does not support monaural audio. */
                .channels_min = 2,

diff --git a/sound/soc/fsl/imx-ssi.c b/sound/soc/fsl/imx-ssi.c
index 7c84eb123d76d58bdf2d4508087453892f0fe22d..9128b7b26ecfdd266222eaa3d6b7a957acc56e4b 100644 (file)
--- 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;
 }