ASoC: DaVinci: McASP FIFO related updates

[deliverable/linux.git] / sound / soc / davinci / davinci-mcasp.c

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 5d1f98a4c97869fa41d446327a879f383b11136c..50ad0519a8fab1de0f6d3860b1ab7c6e8d223bbd 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -714,16 +714,13 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
        struct davinci_pcm_dma_params *dma_params =
                                        &dev->dma_params[substream->stream];
        int word_length;
-       u8 numevt;
+       u8 fifo_level;
 
        davinci_hw_common_param(dev, substream->stream);
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-               numevt = dev->txnumevt;
+               fifo_level = dev->txnumevt;
        else
-               numevt = dev->rxnumevt;
-
-       if (!numevt)
-               numevt = 1;
+               fifo_level = dev->rxnumevt;
 
        if (dev->op_mode == DAVINCI_MCASP_DIT_MODE)
                davinci_hw_dit_param(dev);
@@ -751,12 +748,12 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
                return -EINVAL;
        }
 
-       if (dev->version == MCASP_VERSION_2) {
-               dma_params->data_type *= numevt;
-               dma_params->acnt = 4 * numevt;
-       } else
+       if (dev->version == MCASP_VERSION_2 && !fifo_level)
+               dma_params->acnt = 4;
+       else
                dma_params->acnt = dma_params->data_type;
 
+       dma_params->fifo_level = fifo_level;
        davinci_config_channel_size(dev, word_length);
 
        return 0;