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MLK-18655-5 sound: asoc: add hwvad noise decimation amixer control 

Add control for Voice Activity Detector Noise OR Enable.
Enables a OR logic in the output of minimum noise estimator block. For
more information see Filter Result Gain Setting on page 71 - micfil
reference manual:
0b - Noise input is not decimated.
1b - Noise input is decimated.

Signed-off-by: Cosmin-Gabriel Samoila <cosmin.samoila@nxp.com>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
(cherry picked from commit 317d2226fcfbbd8ae91eac9f685d71663227ae2a)
pull/10/head
Cosmin-Gabriel Samoila 2018-09-10 16:08:37 +03:00 committed by Jason Liu
parent 428583fd8a
commit bb24f099aa
1 changed files with 10 additions and 1 deletions
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11
sound/soc/fsl/fsl_micfil.c
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@ -121,6 +121,10 @@ static const char * const micfil_hwvad_zcdauto_enable[] = {
"OFF", "ON",
};
static const char * const micfil_hwvad_noise_decimation[] = {
"Disabled", "Enabled",
};
static const struct soc_enum fsl_micfil_enum[] = {
SOC_ENUM_SINGLE(REG_MICFIL_CTRL2,
@ -135,6 +139,10 @@ static const struct soc_enum fsl_micfil_enum[] = {
micfil_hwvad_zcd_enable),
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(micfil_hwvad_zcdauto_enable),
micfil_hwvad_zcd_enable),
SOC_ENUM_SINGLE(REG_MICFIL_VAD0_NCONFIG,
MICFIL_VAD0_NCONFIG_NOREN_SHIFT,
ARRAY_SIZE(micfil_hwvad_noise_decimation),
micfil_hwvad_noise_decimation),
};
static int set_quality(struct snd_kcontrol *kcontrol,
@ -549,7 +557,8 @@ static const struct snd_kcontrol_new fsl_micfil_snd_controls[] = {
hwvad_get_zcd_en, hwvad_put_zcd_en),
SOC_ENUM_EXT("HWVAD Zero-Crossing Detector Auto Threshold", fsl_micfil_enum[4],
hwvad_get_zcd_auto, hwvad_put_zcd_auto),
SOC_ENUM_EXT("HWVAD Noise OR Enable", fsl_micfil_enum[5],
snd_soc_get_enum_double, snd_soc_put_enum_double),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "HWVAD Input Gain",