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pcm: rate: fix hw_ptr exceed the boundary

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For long time test case, the hw_ptr will exceed the boundary, then cause
the avail size wrong.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Shengjiu Wang 2014-07-14 16:55:48 +08:00 • committed by Takashi Iwai
parent ea865bba46
commit 035f196bcd
1 changed files with 2 additions and 0 deletions
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2
src/pcm/pcm_rate.c
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@ -574,6 +574,8 @@ static inline void snd_pcm_rate_sync_hwptr(snd_pcm_t *pcm)
rate->hw_ptr =
(slave_hw_ptr / rate->gen.slave->period_size) * pcm->period_size +
rate->ops.input_frames(rate->obj, slave_hw_ptr % rate->gen.slave->period_size);
rate->hw_ptr %= pcm->boundary;
}
static int snd_pcm_rate_hwsync(snd_pcm_t *pcm)