static int tm2_set_bias_level(struct snd_soc_card *card,
struct snd_soc_dapm_context *dapm,
enum snd_soc_bias_level level)
{
struct snd_soc_pcm_runtime *rtd;
rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
if (dapm->dev != rtd->codec_dai->dev)
return 0;
switch (level) {
case SND_SOC_BIAS_STANDBY:
if (card->dapm.bias_level == SND_SOC_BIAS_OFF)
tm2_start_sysclk(card);
break;
case SND_SOC_BIAS_OFF:
tm2_stop_sysclk(card);
break;
default:
break;
}
return 0;
}
static int tm2_aif1_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component = rtd->codec_dai->component;
struct tm2_machine_priv *priv = snd_soc_card_get_drvdata(rtd->card);
switch (params_rate(params)) {
case 4000:
case 8000:
case 12000:
case 16000:
case 24000:
case 32000:
case 48000:
case 96000:
case 192000:
/* Highest possible SYSCLK frequency: 147.456MHz */
priv->sysclk_rate = 147456000U;
break;
case 11025:
case 22050:
case 44100:
case 88200:
case 176400:
/* Highest possible SYSCLK frequency: 135.4752 MHz */
priv->sysclk_rate = 135475200U;
break;
default:
dev_err(component->dev, "Not supported sample rate: %d\n",
params_rate(params));
return -EINVAL;
}
return tm2_start_sysclk(rtd->card);
}
static void tm2_pm_complete(struct device *dev)
{
struct snd_soc_card *card = dev_get_drvdata(dev);
tm2_start_sysclk(card);
}
