ASoC: davinci-pcm, davinci-mcasp: Clean up active_serializers
As pointed of by Vaibhav, commit message: "ASoC: davinci-mcasp: Add support for multichannel playback"
number of active serializers can be hidden into fifo_level variable, which is set in davimci-mcasp.
Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index aeb3a66..5914337 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -834,17 +834,20 @@
int word_length;
u8 fifo_level;
u8 slots = dev->tdm_slots;
+ u8 active_serializers;
int channels;
struct snd_interval *pcm_channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
channels = pcm_channels->min;
+ active_serializers = (channels + slots - 1) / slots;
+
if (davinci_hw_common_param(dev, substream->stream, channels) == -EINVAL)
return -EINVAL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- fifo_level = dev->txnumevt;
+ fifo_level = dev->txnumevt * active_serializers;
else
- fifo_level = dev->rxnumevt;
+ fifo_level = dev->rxnumevt * active_serializers;
if (dev->op_mode == DAVINCI_MCASP_DIT_MODE)
davinci_hw_dit_param(dev);
@@ -889,7 +892,6 @@
dma_params->acnt = dma_params->data_type;
dma_params->fifo_level = fifo_level;
- dma_params->active_serializers = (channels + slots - 1) / slots;
davinci_config_channel_size(dev, word_length);
return 0;