ASoC: davinci-mcasp: Code cleanup in davinci_mcasp_hw_params()

Rearrange the code in the function for readability.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 0518ff2..63b1ecc 100644 (file)
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -611,10 +611,8 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
        u8 fifo_level;
        u8 slots = mcasp->tdm_slots;
        u8 active_serializers;
-       int channels;
+       int channels = params_channels(params);
        int ret;
-       struct snd_interval *pcm_channels = hw_param_interval(params,
-                                       SNDRV_PCM_HW_PARAM_CHANNELS);
 
        /* If mcasp is BCLK master we need to set BCLK divider */
        if (mcasp->bclk_master) {
@@ -627,19 +625,10 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
                        cpu_dai, 1, mcasp->sysclk_freq / bclk_freq);
        }
 
-       channels = pcm_channels->min;
-
-       active_serializers = (channels + slots - 1) / slots;
-
        ret = mcasp_common_hw_param(mcasp, substream->stream, channels);
        if (ret)
                return ret;
 
-       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-               fifo_level = mcasp->txnumevt * active_serializers;
-       else
-               fifo_level = mcasp->rxnumevt * active_serializers;
-
        if (mcasp->op_mode == DAVINCI_MCASP_DIT_MODE)
                ret = mcasp_dit_hw_param(mcasp);
        else
@@ -680,6 +669,13 @@ static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream,
                return -EINVAL;
        }
 
+       /* Calculate FIFO level */
+       active_serializers = (channels + slots - 1) / slots;
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+               fifo_level = mcasp->txnumevt * active_serializers;
+       else
+               fifo_level = mcasp->rxnumevt * active_serializers;
+
        if (mcasp->version == MCASP_VERSION_2 && !fifo_level)
                dma_params->acnt = 4;
        else