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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-02-03 00:57:40 -0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-02-03 11:55:40 +0000
commit97df81873e9c1391319dd818bc4b6856517e4939 (patch)
tree8bace972292ae123e27ce1785ce8f14ab824d96a /sound/soc/sh
parent180346ede352b12c72c5aeba2fc806fd32880c16 (diff)
ASoC: fsi: fsi_stream_is_working() care substream->runtime
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/sh')
-rw-r--r--sound/soc/sh/fsi.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 8d05e59c883..1e10184af89 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -450,7 +450,7 @@ static int fsi_stream_is_working(struct fsi_priv *fsi,
int ret;
spin_lock_irqsave(&master->lock, flags);
- ret = !!io->substream;
+ ret = !!(io->substream && io->substream->runtime);
spin_unlock_irqrestore(&master->lock, flags);
return ret;
@@ -756,9 +756,7 @@ static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
u8 *buf;
int over_period;
- if (!fsi ||
- !io->substream ||
- !io->substream->runtime)
+ if (!fsi_stream_is_working(fsi, io))
return -EINVAL;
over_period = 0;