-static int lm4857_get_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
- struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
-
- ucontrol->value.integer.value[0] = lm4857->mode;
-
- return 0;
-}
-
-static int lm4857_set_mode(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
- struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
- uint8_t value = ucontrol->value.integer.value[0];
-
- lm4857->mode = value;
-
- if (codec->dapm.bias_level == SND_SOC_BIAS_ON)
- regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F, value + 6);
-
- return 1;
-}
-
-static int lm4857_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
-{
- struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
-
- switch (level) {
- case SND_SOC_BIAS_ON:
- regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F,
- lm4857->mode + 6);
- break;
- case SND_SOC_BIAS_STANDBY:
- regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F, 0);
- break;
- default:
- break;
- }
-
- codec->dapm.bias_level = level;
-
- return 0;
-}