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Completed pcm_update implementation

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Abramo Bagnara 2000-05-09 10:46:43 +00:00
parent 3a6ce53704
commit e77cbd919d
6 changed files with 51 additions and 2 deletions
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16
src/pcm/pcm.c
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@ -275,6 +275,22 @@ int snd_pcm_channel_status(snd_pcm_t *pcm, snd_pcm_channel_status_t *status)
return pcm->ops->channel_status(pcm, status);
}
int snd_pcm_channel_update(snd_pcm_t *pcm, int channel)
{
int err;
if (!pcm)
return -EFAULT;
if (channel < 0 || channel > 1)
return -EINVAL;
if (!pcm->chan[channel].open)
return -EBADFD;
err = pcm->ops->channel_update(pcm, channel);
if (err < 0)
return err;
snd_pcm_mmap_status_change(pcm, channel, -1);
return 0;
}
int snd_pcm_channel_prepare(snd_pcm_t *pcm, int channel)
{
int err;