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ASoC: S3C24XX : Align the peroid size to the buffer size

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> Then it's a driver bug.  If unaligned period size is allowed, it means
> that the irq is really generated in that period, not at the buffer
> boundary.  Otherwise, it must have a proper hw-constraint to align the
> period size to the buffer size.

This patch will fix the bug metioned in the above mail. Force the peroid
size to be aligned with the buffer size.

Based and tested on linux-2.6.31-rc6.

Signed-off-by: Shine Liu <shinel@foxmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Shine Liu 2009-08-20 23:02:23 +08:00 committed by Mark Brown
parent f8bae4caaa
commit f61c890ec6
1 changed files with 1 additions and 0 deletions
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sound/soc/s3c24xx/s3c24xx-pcm.c
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@ -318,6 +318,7 @@ static int s3c24xx_pcm_open(struct snd_pcm_substream *substream)
pr_debug("Entered %s\n", __func__);
snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
snd_soc_set_runtime_hwparams(substream, &s3c24xx_pcm_hardware);
prtd = kzalloc(sizeof(struct s3c24xx_runtime_data), GFP_KERNEL);