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ASoC: fsi: Add over_period flag to prevent the misunderstanding

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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>
This commit is contained in:
Kuninori Morimoto 2009-12-28 14:09:05 +09:00 committed by Mark Brown
parent 5b61735534
commit 1c418d1f62
1 changed files with 12 additions and 8 deletions
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20
sound/soc/sh/fsi.c
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@ -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;