ASoC: samsung: Provide helper for DMA init
In preparation for using the dmaengine helpers in ASoC rather than the
dmaengine wrappers for the Samsung API wrap the configuration of dma_data.
The dmaengine code expects different data to that used by the legacy API.
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
index 350ba23..4a88e36 100644
--- a/sound/soc/samsung/ac97.c
+++ b/sound/soc/samsung/ac97.c
@@ -221,24 +221,6 @@
.reset = s3c_ac97_cold_reset,
};
-static int s3c_ac97_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- struct s3c_dma_params *dma_data;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- dma_data = &s3c_ac97_pcm_out;
- else
- dma_data = &s3c_ac97_pcm_in;
-
- snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
-
- return 0;
-}
-
static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
@@ -279,21 +261,6 @@
return 0;
}
-static int s3c_ac97_hw_mic_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- return -ENODEV;
- else
- snd_soc_dai_set_dma_data(cpu_dai, substream, &s3c_ac97_mic_in);
-
- return 0;
-}
-
static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
@@ -329,15 +296,27 @@
}
static const struct snd_soc_dai_ops s3c_ac97_dai_ops = {
- .hw_params = s3c_ac97_hw_params,
.trigger = s3c_ac97_trigger,
};
static const struct snd_soc_dai_ops s3c_ac97_mic_dai_ops = {
- .hw_params = s3c_ac97_hw_mic_params,
.trigger = s3c_ac97_mic_trigger,
};
+static int s3c_ac97_dai_probe(struct snd_soc_dai *dai)
+{
+ samsung_asoc_init_dma_data(dai, &s3c_ac97_pcm_out, &s3c_ac97_pcm_in);
+
+ return 0;
+}
+
+static int s3c_ac97_mic_dai_probe(struct snd_soc_dai *dai)
+{
+ samsung_asoc_init_dma_data(dai, NULL, &s3c_ac97_mic_in);
+
+ return 0;
+}
+
static struct snd_soc_dai_driver s3c_ac97_dai[] = {
[S3C_AC97_DAI_PCM] = {
.name = "samsung-ac97",
@@ -354,6 +333,7 @@
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .probe = s3c_ac97_dai_probe,
.ops = &s3c_ac97_dai_ops,
},
[S3C_AC97_DAI_MIC] = {
@@ -365,6 +345,7 @@
.channels_max = 1,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .probe = s3c_ac97_mic_dai_probe,
.ops = &s3c_ac97_mic_dai_ops,
},
};