ASoC: move dma_data from snd_soc_dai to snd_soc_pcm_stream

[safe/jmp/linux-2.6] / sound / soc / s3c24xx / s3c24xx-i2s.c

diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c
index 0bc5950..c3ac890 100644 (file)
--- a/sound/soc/s3c24xx/s3c24xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c24xx-i2s.c
@@ -242,14 +242,17 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
                                 struct snd_soc_dai *dai)
 {
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
+       struct s3c_dma_params *dma_data;
        u32 iismod;
 
        pr_debug("Entered %s\n", __func__);
 
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-               rtd->dai->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_out;
+               dma_data = &s3c24xx_i2s_pcm_stereo_out;
        else
-               rtd->dai->cpu_dai->dma_data = &s3c24xx_i2s_pcm_stereo_in;
+               dma_data = &s3c24xx_i2s_pcm_stereo_in;
+
+       snd_soc_dai_set_dma_data(rtd->dai->cpu_dai, substream, dma_data);
 
        /* Working copies of register */
        iismod = readl(s3c24xx_i2s.regs + S3C2410_IISMOD);
@@ -258,13 +261,11 @@ static int s3c24xx_i2s_hw_params(struct snd_pcm_substream *substream,
        switch (params_format(params)) {
        case SNDRV_PCM_FORMAT_S8:
                iismod &= ~S3C2410_IISMOD_16BIT;
-               ((struct s3c_dma_params *)
-                 rtd->dai->cpu_dai->dma_data)->dma_size = 1;
+               dma_data->dma_size = 1;
                break;
        case SNDRV_PCM_FORMAT_S16_LE:
                iismod |= S3C2410_IISMOD_16BIT;
-               ((struct s3c_dma_params *)
-                 rtd->dai->cpu_dai->dma_data)->dma_size = 2;
+               dma_data->dma_size = 2;
                break;
        default:
                return -EINVAL;
@@ -280,8 +281,8 @@ static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
 {
        int ret = 0;
        struct snd_soc_pcm_runtime *rtd = substream->private_data;
-       int channel = ((struct s3c_dma_params *)
-                 rtd->dai->cpu_dai->dma_data)->channel;
+       struct s3c_dma_params *dma_data =
+               snd_soc_dai_get_dma_data(rtd->dai->cpu_dai, substream);
 
        pr_debug("Entered %s\n", __func__);
 
@@ -300,7 +301,7 @@ static int s3c24xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
                else
                        s3c24xx_snd_txctrl(1);
 
-               s3c2410_dma_ctrl(channel, S3C2410_DMAOP_STARTED);
+               s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
                break;
        case SNDRV_PCM_TRIGGER_STOP:
        case SNDRV_PCM_TRIGGER_SUSPEND: