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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2010-10-12 04:39:25 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-10-12 12:02:33 +0200
commitcca1b2353a364fd51619d0f304dd9681282b864c (patch)
treee2a075433a2f793cf65f59f40e6b087fbe2443f0
parentASoC: ak4642: simultaneous playback/recorde support (diff)
downloadlinux-cca1b2353a364fd51619d0f304dd9681282b864c.tar.xz
linux-cca1b2353a364fd51619d0f304dd9681282b864c.zip
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>
-rw-r--r--sound/soc/sh/fsi.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index dd9963345b93..aa2cbb1ea988 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -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,