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| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-12-28 14:09:05 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-12-30 18:31:08 +0000 |
| commit | 1c418d1f623438147a485db987de296ab372e0f3 (patch) | |
| tree | 4daf1692ca6978e3de4568822c73b7bff3c1b942 /sound/soc/sh | |
| parent | 5b61735534193ab357636d5b56c098f0bbe8bac8 (diff) | |
| download | linux-3.10-1c418d1f623438147a485db987de296ab372e0f3.tar.gz linux-3.10-1c418d1f623438147a485db987de296ab372e0f3.tar.bz2 linux-3.10-1c418d1f623438147a485db987de296ab372e0f3.zip | |
ASoC: fsi: Add over_period flag to prevent the misunderstanding
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/sh')
| -rw-r--r-- | sound/soc/sh/fsi.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 7506ef6d287..b311a9eaf02 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -373,14 +373,16 @@ static int fsi_data_push(struct fsi_priv *fsi) int fifo_free; int width; u8 *start; - int i; + int i, over_period; if (!fsi || !fsi->substream || !fsi->substream->runtime) return -EINVAL; - runtime = fsi->substream->runtime; + over_period = 0; + substream = fsi->substream; + runtime = substream->runtime; /* FSI FIFO has limit. * So, this driver can not send periods data at a time @@ -388,7 +390,7 @@ static int fsi_data_push(struct fsi_priv *fsi) if (fsi->byte_offset >= fsi->period_len * (fsi->periods + 1)) { - substream = fsi->substream; + over_period = 1; fsi->periods = (fsi->periods + 1) % runtime->periods; if (0 == fsi->periods) @@ -429,7 +431,7 @@ static int fsi_data_push(struct fsi_priv *fsi) fsi_irq_enable(fsi, 1); - if (substream) + if (over_period) snd_pcm_period_elapsed(substream); return 0; @@ -443,14 +445,16 @@ static int fsi_data_pop(struct fsi_priv *fsi) int fifo_fill; int width; u8 *start; - int i; + int i, over_period; if (!fsi || !fsi->substream || !fsi->substream->runtime) return -EINVAL; - runtime = fsi->substream->runtime; + over_period = 0; + substream = fsi->substream; + runtime = substream->runtime; /* FSI FIFO has limit. * So, this driver can not send periods data at a time @@ -458,7 +462,7 @@ static int fsi_data_pop(struct fsi_priv *fsi) if (fsi->byte_offset >= fsi->period_len * (fsi->periods + 1)) { - substream = fsi->substream; + over_period = 1; fsi->periods = (fsi->periods + 1) % runtime->periods; if (0 == fsi->periods) @@ -498,7 +502,7 @@ static int fsi_data_pop(struct fsi_priv *fsi) fsi_irq_enable(fsi, 0); - if (substream) + if (over_period) snd_pcm_period_elapsed(substream); return 0; |