redonkable/alistair23-linux
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ASoC: fsi: avoid un-necessary status read

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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 11:40:14 +09:00 committed by Mark Brown
parent a68a3b4ed4
commit 75eda968e4
1 changed files with 1 additions and 2 deletions
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3
sound/soc/sh/fsi.c
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@ -572,7 +572,6 @@ static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, int startup, int is_play)
{ {
struct snd_pcm_runtime *runtime; struct snd_pcm_runtime *runtime;
struct snd_pcm_substream *substream = NULL; struct snd_pcm_substream *substream = NULL;
u32 status;
u32 status_reg = is_play ? DOFF_ST : DIFF_ST; u32 status_reg = is_play ? DOFF_ST : DIFF_ST;
int data_residue_num; int data_residue_num;
int data_num; int data_num;
@ -662,9 +661,9 @@ static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, int startup, int is_play)
fsi->buff_offset += fsi_num2offset(data_num, ch_width); fsi->buff_offset += fsi_num2offset(data_num, ch_width);
/* check fifo status */ /* check fifo status */
status = fsi_reg_read(fsi, status_reg);
if (!startup) { if (!startup) {
struct snd_soc_dai *dai = fsi_get_dai(substream); struct snd_soc_dai *dai = fsi_get_dai(substream);
u32 status = fsi_reg_read(fsi, status_reg);
if (status & ERR_OVER) if (status & ERR_OVER)
dev_err(dai->dev, "over run\n"); dev_err(dai->dev, "over run\n");