Signed-off-by: Peter Rosin <peda@xxxxxxxxxx> --- sound/soc/codecs/max9860.c | 22 +++++++++++++++++----- 1 file changed, 17 insertions(+), 5 deletions(-) diff --git a/sound/soc/codecs/max9860.c b/sound/soc/codecs/max9860.c index 2b0dd6a18dad..8d257cc20ef7 100644 --- a/sound/soc/codecs/max9860.c +++ b/sound/soc/codecs/max9860.c @@ -3,9 +3,6 @@ * * https://datasheets.maximintegrated.com/en/ds/MAX9860.pdf * - * The driver does not support sidetone since the DVST register field is - * backwards with the mute near the maximum level instead of the minimum. - * * Author: Peter Rosin <peda@axentia.s> * Copyright 2016 Axentia Technologies * @@ -135,6 +132,10 @@ const struct regmap_config max9860_regmap = { static const DECLARE_TLV_DB_SCALE(dva_tlv, -9100, 100, 1); static const DECLARE_TLV_DB_SCALE(dvg_tlv, 0, 600, 0); static const DECLARE_TLV_DB_SCALE(adc_tlv, -1200, 100, 0); +/* The dvst field has its mute in the wrong end. Sigh. */ +static const DECLARE_TLV_DB_RANGE(dvst_tlv, + 0, MAX9860_DVST_MIN - 1, TLV_DB_SCALE_ITEM(-6000, 200, 0), + MAX9860_DVST_MIN, MAX9860_DVST_MIN, TLV_DB_SCALE_ITEM(0, 0, 1)); static const DECLARE_TLV_DB_RANGE(pam_tlv, 0, MAX9860_PAM_MAX - 1, TLV_DB_SCALE_ITEM(-2000, 2000, 1), MAX9860_PAM_MAX, MAX9860_PAM_MAX, TLV_DB_SCALE_ITEM(3000, 0, 0)); @@ -214,6 +215,11 @@ SOC_ENUM("ADC Filter", avflt_enum), SOC_ENUM("DAC Filter", dvflt_enum), }; +static const struct snd_kcontrol_new max9860_mixer_controls[] = { +SOC_DAPM_SINGLE_TLV("Sidetone Volume", MAX9860_DACGAIN, + MAX9860_DVST_SHIFT, MAX9860_DVST_MIN, 1, dvst_tlv), +}; + static const struct snd_soc_dapm_widget max9860_dapm_widgets[] = { SND_SOC_DAPM_INPUT("MICL"), SND_SOC_DAPM_INPUT("MICR"), @@ -224,6 +230,10 @@ SND_SOC_DAPM_ADC("ADCR", NULL, MAX9860_PWRMAN, MAX9860_ADCREN_SHIFT, 0), SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), +SND_SOC_DAPM_MIXER("Mixer", SND_SOC_NOPM, 0, 0, + max9860_mixer_controls, + ARRAY_SIZE(max9860_mixer_controls)), + SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), @@ -244,8 +254,10 @@ static const struct snd_soc_dapm_route max9860_dapm_routes[] = { { "AIFOUTL", NULL, "ADCL" }, { "AIFOUTR", NULL, "ADCR" }, - { "DAC", NULL, "AIFINL" }, - { "DAC", NULL, "AIFINR" }, + { "Mixer", NULL, "AIFINL" }, + { "Mixer", NULL, "AIFINR" }, + { "Mixer", "Sidetone Volume", "ADCL" }, + { "DAC", NULL, "Mixer" }, { "OUT", NULL, "DAC" }, { "Supply", NULL, "AVDD" }, -- 2.1.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
