static int dummy_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_dummy *dummy = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
dummy->timer_ops = &dummy_systimer_ops;
#ifdef CONFIG_HIGH_RES_TIMERS
if (hrtimer)
dummy->timer_ops = &dummy_hrtimer_ops;
#endif
err = dummy->timer_ops->create(substream);
if (err < 0)
return err;
runtime->hw = dummy_pcm_hardware;
if (substream->pcm->device & 1) {
runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
}
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
err = add_playback_constraints(substream->runtime);
else
err = add_capture_constraints(substream->runtime);
if (err < 0) {
dummy->timer_ops->free(substream);
return err;
}
return 0;
}
static int snd_card_lf1000_playback_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_lf1000_pcm *dpcm;
int err;
printk(KERN_INFO "audio: _playback_open\n"); /*XXX*/
if ((dpcm = new_pcm_stream(substream)) == NULL)
return -ENOMEM;
runtime->private_data = dpcm;
runtime->private_free = snd_card_lf1000_runtime_free;
runtime->hw = snd_card_lf1000_playback;
if (substream->pcm->device & 1) {
runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
}
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
if ((err = add_playback_constraints(runtime)) < 0) {
kfree(dpcm);
return err;
}
return 0;
}
static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_dummy_pcm *dpcm;
int err;
if ((dpcm = new_pcm_stream(substream)) == NULL)
return -ENOMEM;
runtime->private_data = dpcm;
/* makes the infrastructure responsible for freeing dpcm */
runtime->private_free = snd_card_dummy_runtime_free;
runtime->hw = snd_card_dummy_playback;
if (substream->pcm->device & 1) {
runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
}
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
err = add_playback_constraints(runtime);
if (err < 0)
return err;
return 0;
}
