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Changed result of mmap_commit callback

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(follows description of snd_pcm_mmap_commit function).
This commit is contained in:
Jaroslav Kysela 2001-12-08 21:02:20 +00:00
parent 8ca451f0e1
commit 0917ba63b0
11 changed files with 57 additions and 53 deletions
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24
src/pcm/pcm_multi.c
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@ -506,26 +506,22 @@ static int snd_pcm_multi_resume(snd_pcm_t *pcm)
return err;
}
static snd_pcm_sframes_t snd_pcm_multi_mmap_commit(snd_pcm_t *pcm,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t size)
static int snd_pcm_multi_mmap_commit(snd_pcm_t *pcm,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t size)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave;
unsigned int i;
int err;
for (i = 0; i < multi->slaves_count; ++i) {
snd_pcm_t *slave = multi->slaves[i].pcm;
snd_pcm_sframes_t frames = snd_pcm_mmap_commit(slave, offset, size);
if (frames < 0)
return frames;
if (i == 0) {
size = frames;
continue;
}
if ((snd_pcm_uframes_t) frames != size)
return -EBADFD;
slave = multi->slaves[i].pcm;
err = snd_pcm_mmap_commit(slave, offset, size);
if (err < 0)
return err;
}
return size;
return 0;
}
static int snd_pcm_multi_mmap(snd_pcm_t *pcm ATTRIBUTE_UNUSED)