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ASoC: wcd9335: update impedance detection and mono/stereo mix controls

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Add mixer controls to be exposed to userspace for getting impedance
detection and plug type whether mono or stereo.

Change-Id: I6b587a1c16f507acf99370725b3c098346c42d5e
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam 2015-09-16 05:18:19 +05:30 committed by Gerrit - the friendly Code Review server
parent 3e02e10444
commit 738e10d847
1 changed files with 60 additions and 0 deletions
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60
sound/soc/codecs/wcd9335.c
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@ -1769,6 +1769,61 @@ static int tasha_get_iir_enable_audio_mixer(
return 0;
}
static int tasha_hph_impedance_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
uint32_t zl, zr;
bool hphr;
struct soc_multi_mixer_control *mc;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct tasha_priv *priv = snd_soc_codec_get_drvdata(codec);
mc = (struct soc_multi_mixer_control *)(kcontrol->private_value);
hphr = mc->shift;
wcd_mbhc_get_impedance(&priv->mbhc, &zl, &zr);
dev_dbg(codec->dev, "%s: zl=%u(ohms), zr=%u(ohms)\n", __func__, zl, zr);
ucontrol->value.integer.value[0] = hphr ? zr : zl;
return 0;
}
static const struct snd_kcontrol_new impedance_detect_controls[] = {
SOC_SINGLE_EXT("HPHL Impedance", 0, 0, UINT_MAX, 0,
tasha_hph_impedance_get, NULL),
SOC_SINGLE_EXT("HPHR Impedance", 0, 1, UINT_MAX, 0,
tasha_hph_impedance_get, NULL),
};
static int tasha_get_hph_type(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct tasha_priv *priv = snd_soc_codec_get_drvdata(codec);
struct wcd_mbhc *mbhc;
if (!priv) {
dev_dbg(codec->dev, "%s: wcd9335 private data is NULL\n",
__func__);
return 0;
}
mbhc = &priv->mbhc;
if (!mbhc) {
dev_dbg(codec->dev, "%s: mbhc not initialized\n", __func__);
return 0;
}
ucontrol->value.integer.value[0] = (u32) mbhc->hph_type;
dev_dbg(codec->dev, "%s: hph_type = %u\n", __func__, mbhc->hph_type);
return 0;
}
static const struct snd_kcontrol_new hph_type_detect_controls[] = {
SOC_SINGLE_EXT("HPH Type", 0, 0, UINT_MAX, 0,
tasha_get_hph_type, NULL),
};
static int tasha_vi_feed_mixer_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
@ -10810,6 +10865,11 @@ static int tasha_codec_probe(struct snd_soc_codec *codec)
tasha_init_slim_slave_cfg(codec);
}
snd_soc_add_codec_controls(codec, impedance_detect_controls,
ARRAY_SIZE(impedance_detect_controls));
snd_soc_add_codec_controls(codec, hph_type_detect_controls,
ARRAY_SIZE(hph_type_detect_controls));
snd_soc_add_codec_controls(codec,
tasha_analog_gain_controls,
ARRAY_SIZE(tasha_analog_gain_controls));