[PATCH 8/9] ASoC: max98927: Modified DAPM widget and map to enable/disable VI sense path

From: Ryan Lee
Date: Fri Aug 25 2017 - 20:41:54 EST


Signed-off-by: Ryan Lee <ryans.lee@xxxxxxxxxxxxxxxxxxx>
---
Changes : Modified DAPM widget and audio map to enable/disable IV sensing path

sound/soc/codecs/max98927.c | 28 +++++++++++++++++-----------
1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/sound/soc/codecs/max98927.c b/sound/soc/codecs/max98927.c
index 5517251..f944659 100644
--- a/sound/soc/codecs/max98927.c
+++ b/sound/soc/codecs/max98927.c
@@ -509,11 +509,6 @@ static int max98927_dac_event(struct snd_soc_dapm_widget *w,
regmap_update_bits(max98927->regmap,
MAX98927_R003A_AMP_EN,
MAX98927_AMP_EN_MASK, 1);
- /* enable VMON and IMON */
- regmap_update_bits(max98927->regmap,
- MAX98927_R003E_MEAS_EN,
- MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN,
- MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN);
regmap_update_bits(max98927->regmap,
MAX98927_R00FF_GLOBAL_SHDN,
MAX98927_GLOBAL_EN_MASK, 1);
@@ -525,10 +520,6 @@ static int max98927_dac_event(struct snd_soc_dapm_widget *w,
regmap_update_bits(max98927->regmap,
MAX98927_R003A_AMP_EN,
MAX98927_AMP_EN_MASK, 0);
- /* disable VMON and IMON */
- regmap_update_bits(max98927->regmap,
- MAX98927_R003E_MEAS_EN,
- MAX98927_MEAS_V_EN | MAX98927_MEAS_I_EN, 0);
break;
default:
return 0;
@@ -547,14 +538,24 @@ static int max98927_dac_event(struct snd_soc_dapm_widget *w,
static const struct snd_kcontrol_new max98927_dai_controls =
SOC_DAPM_ENUM("DAI Sel", dai_sel_enum);

+static const struct snd_kcontrol_new max98927_vi_control =
+ SOC_DAPM_SINGLE("Switch", MAX98927_R003F_MEAS_DSP_CFG, 2, 1, 0);
+
static const struct snd_soc_dapm_widget max98927_dapm_widgets[] = {
- SND_SOC_DAPM_AIF_IN("DAI_OUT", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_DAC_E("Amp Enable", "HiFi Playback", MAX98927_R003A_AMP_EN,
0, 0, max98927_dac_event,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("DAI Sel Mux", SND_SOC_NOPM, 0, 0,
&max98927_dai_controls),
SND_SOC_DAPM_OUTPUT("BE_OUT"),
+ SND_SOC_DAPM_AIF_OUT("Voltage Sense", "HiFi Capture", 0,
+ MAX98927_R003E_MEAS_EN, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("Current Sense", "HiFi Capture", 0,
+ MAX98927_R003E_MEAS_EN, 1, 0),
+ SND_SOC_DAPM_SWITCH("VI Sense", SND_SOC_NOPM, 0, 0,
+ &max98927_vi_control),
+ SND_SOC_DAPM_SIGGEN("VMON"),
+ SND_SOC_DAPM_SIGGEN("IMON"),
};

static DECLARE_TLV_DB_SCALE(max98927_spk_tlv, 300, 300, 0);
@@ -656,11 +657,16 @@ static SOC_ENUM_SINGLE_DECL(max98927_env_track_headroom,
};

static const struct snd_soc_dapm_route max98927_audio_map[] = {
- {"Amp Enable", NULL, "DAI_OUT"},
+ /* Plabyack */
{"DAI Sel Mux", "Left", "Amp Enable"},
{"DAI Sel Mux", "Right", "Amp Enable"},
{"DAI Sel Mux", "LeftRight", "Amp Enable"},
{"BE_OUT", NULL, "DAI Sel Mux"},
+ /* Capture */
+ { "VI Sense", "Switch", "VMON" },
+ { "VI Sense", "Switch", "IMON" },
+ { "Voltage Sense", NULL, "VI Sense" },
+ { "Current Sense", NULL, "VI Sense" },
};

static struct snd_soc_dai_driver max98927_dai[] = {
--
1.9.1