static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1)
return -EINVAL;
adav80x->deemph = deemph;
return adav80x_set_deemph(codec);
}
static int adav80x_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
unsigned int rate = params_rate(params);
if (rate * 256 != adav80x->sysclk)
return -EINVAL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
adav80x_set_playback_pcm_format(codec, dai, params);
adav80x_set_dac_clock(codec, rate);
} else {
adav80x_set_capture_pcm_format(codec, dai, params);
adav80x_set_adc_clock(codec, rate);
}
adav80x->rate = rate;
adav80x_set_deemph(codec);
return 0;
}