/*
* PCM operators
*/
static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
int pcm_index;
pcm_index = substream->pcm->device;
/* to retrieve substream/runtime in interrupt handler */
card->substream = substream;
runtime->hw = snd_ps3_pcm_hw;
card->start_delay = snd_ps3_start_delay;
/* mute off */
snd_ps3_mute(0); /* this function sleep */
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2);
return 0;
};
static int snd_ps3_pcm_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_ps3_card_info *card = snd_pcm_substream_chip(substream);
int pcm_index;
pcm_index = substream->pcm->device;
card->substream = substream;
runtime->hw = snd_ps3_pcm_hw;
card->start_delay = snd_ps3_start_delay;
snd_ps3_mute(0);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
PS3_AUDIO_FIFO_STAGE_SIZE * 4 * 2);
return 0;
};
static int snd_ps3_pcm_close(struct snd_pcm_substream *substream)
{
/* mute on */
snd_ps3_mute(1);
return 0;
};