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corrected error handling in pcm_sync_ptr()

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This commit is contained in:
Taylor Holberton
2016-11-22 09:54:47 -08:00
parent b090568202
commit 72e442233b
1 changed files with 7 additions and 2 deletions
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src/pcm.c
+7 -2
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@@ -326,8 +326,9 @@ static int pcm_sync_ptr(struct pcm *pcm, int flags)
pcm->sync_ptr->flags = flags;
if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_SYNC_PTR, pcm->sync_ptr) < 0)
return -1;
return 0;
}
return 0;
return -1;
}
static int pcm_hw_mmap_status(struct pcm *pcm)
@@ -1088,12 +1089,16 @@ int pcm_mmap_begin(struct pcm *pcm, void **areas, unsigned int *offset,
int pcm_mmap_commit(struct pcm *pcm, unsigned int offset, unsigned int frames)
{
int ret;
/* not used */
(void) offset;
/* update the application pointer in userspace and kernel */
pcm_mmap_appl_forward(pcm, frames);
pcm_sync_ptr(pcm, 0);
ret = pcm_sync_ptr(pcm, 0);
if (ret != 0)
return ret;
return frames;
}