From 035f196bcdc1e9903ed52ad1859dc23d3aa74e72 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Mon, 14 Jul 2014 16:55:48 +0800 Subject: [PATCH] pcm: rate: fix hw_ptr exceed the boundary For long time test case, the hw_ptr will exceed the boundary, then cause the avail size wrong. Commit is 035f196bcdc1e9903ed52ad1859dc23d3aa74e72 in master branch Upstream Status: Backported Signed-off-by: Shengjiu Wang Signed-off-by: Takashi Iwai --- src/pcm/pcm_rate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/pcm/pcm_rate.c b/src/pcm/pcm_rate.c index 7f667d4..2563d82 100644 --- a/src/pcm/pcm_rate.c +++ b/src/pcm/pcm_rate.c @@ -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) -- 1.7.9.5