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appl_ptr sync fix when status/control structures are not mmaped

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The prepare and reset ioctls can modify appl_ptr, thus the user space
must take modified appl_ptr from driver.
This commit is contained in:
Jaroslav Kysela 2004-11-16 15:05:49 +00:00
parent 37e75bfa2c
commit 6987a8555c
1 changed files with 2 additions and 2 deletions
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4
src/pcm/pcm_hw.c
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@ -535,7 +535,7 @@ static int snd_pcm_hw_prepare(snd_pcm_t *pcm)
SYSERR("SNDRV_PCM_IOCTL_PREPARE failed");
return err;
}
return sync_ptr(hw, 0);
return sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
}
static int snd_pcm_hw_reset(snd_pcm_t *pcm)
@ -547,7 +547,7 @@ static int snd_pcm_hw_reset(snd_pcm_t *pcm)
SYSERR("SNDRV_PCM_IOCTL_RESET failed");
return err;
}
return sync_ptr(hw, 0);
return sync_ptr(hw, SNDRV_PCM_SYNC_PTR_APPL);
}
static int snd_pcm_hw_start(snd_pcm_t *pcm)