diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-04-22 21:36:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-04-22 21:37:48 +0100 |
| commit | 291ce18ceb84aca79368369885eec2d329ae16c5 (patch) | |
| tree | 5008bc92d51ff4423c1b86ce937b651124ca3375 /sound/soc/codecs/wm8903.c | |
| parent | 727fb909e541ebd09d5b552afef02a147978c151 (diff) | |
| download | lwn-291ce18ceb84aca79368369885eec2d329ae16c5.tar.gz lwn-291ce18ceb84aca79368369885eec2d329ae16c5.zip | |
ASoC: Implement WM8903 digital sidetone support
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8903.c')
| -rw-r--r-- | sound/soc/codecs/wm8903.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c index bec418af97c9..d8a9222fbf74 100644 --- a/sound/soc/codecs/wm8903.c +++ b/sound/soc/codecs/wm8903.c @@ -533,6 +533,7 @@ static int wm8903_class_w_put(struct snd_kcontrol *kcontrol, /* ALSA can only do steps of .01dB */ static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); +static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0); static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0); @@ -651,6 +652,16 @@ static const struct soc_enum rinput_inv_enum = SOC_ENUM_SINGLE(WM8903_ANALOGUE_RIGHT_INPUT_1, 4, 3, rinput_mux_text); +static const char *sidetone_text[] = { + "None", "Left", "Right" +}; + +static const struct soc_enum lsidetone_enum = + SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 2, 3, sidetone_text); + +static const struct soc_enum rsidetone_enum = + SOC_ENUM_SINGLE(WM8903_DAC_DIGITAL_0, 0, 3, sidetone_text); + static const struct snd_kcontrol_new wm8903_snd_controls[] = { /* Input PGAs - No TLV since the scale depends on PGA mode */ @@ -694,6 +705,9 @@ SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT, SOC_ENUM("ADC Companding Mode", adc_companding), SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0), +SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8, + 12, 0, digital_sidetone_tlv), + /* DAC */ SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT, WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv), @@ -756,6 +770,12 @@ static const struct snd_kcontrol_new rinput_mux = static const struct snd_kcontrol_new rinput_inv_mux = SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum); +static const struct snd_kcontrol_new lsidetone_mux = + SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum); + +static const struct snd_kcontrol_new rsidetone_mux = + SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum); + static const struct snd_kcontrol_new left_output_mixer[] = { SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0), SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0), @@ -822,6 +842,9 @@ SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0), SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8903_POWER_MANAGEMENT_6, 1, 0), SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8903_POWER_MANAGEMENT_6, 0, 0), +SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux), +SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux), + SND_SOC_DAPM_DAC("DACL", "Left Playback", WM8903_POWER_MANAGEMENT_6, 3, 0), SND_SOC_DAPM_DAC("DACR", "Right Playback", WM8903_POWER_MANAGEMENT_6, 2, 0), @@ -910,7 +933,14 @@ static const struct snd_soc_dapm_route intercon[] = { { "ADCR", NULL, "Right Input PGA" }, { "ADCR", NULL, "CLK_DSP" }, + { "DACL Sidetone", "Left", "ADCL" }, + { "DACL Sidetone", "Right", "ADCR" }, + { "DACR Sidetone", "Left", "ADCL" }, + { "DACR Sidetone", "Right", "ADCR" }, + + { "DACL", NULL, "DACL Sidetone" }, { "DACL", NULL, "CLK_DSP" }, + { "DACR", NULL, "DACR Sidetone" }, { "DACR", NULL, "CLK_DSP" }, { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" }, |