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ASoC: fsi: Add fsi_get_frame_width function 

It is not so important for now.
But will be used in future.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2010-10-12 11:39:25 +09:00 committed by Mark Brown
parent 1422408b34
commit cca1b2353a
1 changed files with 9 additions and 1 deletions
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10
sound/soc/sh/fsi.c
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@ -368,6 +368,14 @@ static int fsi_num2len(int num, int width)
return num * width;
}
static int fsi_get_frame_width(struct fsi_priv *fsi)
{
struct snd_pcm_substream *substream = fsi->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
return frames_to_bytes(runtime, 1) / fsi->chan_num;
}
/*
* dma function
*/
@ -596,7 +604,7 @@ static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, int startup, int is_play)
}
/* get 1 channel data width */
ch_width = frames_to_bytes(runtime, 1) / fsi->chan_num;
ch_width = fsi_get_frame_width(fsi);
/* get residue data number of alsa */
data_residue_num = fsi_len2num(fsi->buff_len - fsi->buff_offset,