/* set optimum DL1 output path gain for ABE -> McPDM -> twl6040 */
static int omap_abe_set_pdm_dl1_gains(struct snd_soc_dapm_context *dapm)
{
int gain_dB = 0, gain;
struct snd_soc_card *card = dapm->card;
struct omap_abe_data *abe_data = snd_soc_card_get_drvdata(card);
struct snd_soc_codec *codec = abe_data->twl6040_codec;
struct snd_soc_platform *platform = abe_data->abe_platform;
struct omap_abe *abe = snd_soc_platform_get_drvdata(platform);
if (codec) {
#if !defined(CONFIG_SND_OMAP_SOC_ABE_DL2)
gain_dB = twl6040_get_dl2_gain(codec);
#endif
if (!gain_dB)
gain_dB = twl6040_get_dl1_gain(codec);
}
switch (gain_dB) {
case -8:
gain = GAIN_M8dB;
break;
case -7:
gain = GAIN_M7dB;
break;
case -1:
gain = GAIN_M1dB;
break;
default:
gain = GAIN_0dB;
break;
}
omap_aess_write_gain(abe->aess, OMAP_AESS_GAIN_DL1_LEFT, gain);
omap_aess_write_gain(abe->aess, OMAP_AESS_GAIN_DL1_RIGHT, gain);
return 0;
}
static int volume_put_gain(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_platform *platform = snd_kcontrol_chip(kcontrol);
struct omap_abe *abe = snd_soc_platform_get_drvdata(platform);
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
abe_dsp_pm_get(abe);
/*SEBG: Ramp 2ms */
omap_aess_write_gain(abe->aess, mc->shift,
abe_val_to_gain(ucontrol->value.integer.value[0]));
omap_aess_write_gain(abe->aess, mc->rshift,
abe_val_to_gain(ucontrol->value.integer.value[1]));
pm_runtime_put_sync(abe->dev);
return 1;
}