ASoC: tlv320aic32x4: Properly implement the positive and negative pins into the mixers
The TLV320AIC32x4 has a very flexible mixer on the inputs to the ADCs. Each mixer has an available set of available pins that can be connected to the ADC positive and negative pins via three different resistor values. This allows for configuration of differential inputs as well as doing level manipulation between sources going into the mixers. The current code only provides positive pins and I implemented the resistors in an earlier patch. It turns out that it appears to more accurately model what's happening to implement each of the pins as a MUX rather than on/off switches and a mixer. This way each pin can be set to its desired resistor value. Since there are no switches, the mixer is no longer necessary in the DAPM path. I set the DAPM paths such that the "off" position of any of the MUXes turns the path off. This should allow for any input confiuration available on the codec. Signed-off-by: Jeremy McDermond <nh6z@nh6z.net> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jeremy McDermond
Mark Brown
parent
13a06ed55d
commit
2213fc3508
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@ -187,36 +187,67 @@ static const char * const resistor_text[] = {
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"Off", "10 kOhm", "20 kOhm", "40 kOhm",
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};
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static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0,
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resistor_text);
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/* Left mixer pins */
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static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
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static const struct snd_kcontrol_new left_input_mixer_controls[] = {
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SOC_DAPM_ENUM("IN1_L P Switch", in1l_lpga_p_enum),
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SOC_DAPM_ENUM("IN2_L P Switch", in2l_lpga_p_enum),
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SOC_DAPM_ENUM("IN3_L P Switch", in3l_lpga_p_enum),
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SOC_DAPM_ENUM("IN1_R P Switch", in1r_lpga_p_enum),
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static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
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static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
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};
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static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
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};
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static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
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};
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static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
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};
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static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
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};
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static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
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};
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static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
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SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
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};
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static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2,
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resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0,
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resistor_text);
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/* Right mixer pins */
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static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
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static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
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static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
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static const struct snd_kcontrol_new right_input_mixer_controls[] = {
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SOC_DAPM_ENUM("IN1_R P Switch", in1r_rpga_p_enum),
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SOC_DAPM_ENUM("IN2_R P Switch", in2r_rpga_p_enum),
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SOC_DAPM_ENUM("IN3_R P Switch", in3r_rpga_p_enum),
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SOC_DAPM_ENUM("IN2_L P Switch", in2l_rpga_p_enum),
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static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
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};
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static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
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};
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static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
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};
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static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
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};
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static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
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};
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static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
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};
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static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
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SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
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};
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static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
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@ -240,14 +271,39 @@ static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
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&lor_output_mixer_controls[0],
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ARRAY_SIZE(lor_output_mixer_controls)),
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SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),
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SND_SOC_DAPM_MIXER("Left Input Mixer", SND_SOC_NOPM, 0, 0,
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&left_input_mixer_controls[0],
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ARRAY_SIZE(left_input_mixer_controls)),
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SND_SOC_DAPM_MIXER("Right Input Mixer", SND_SOC_NOPM, 0, 0,
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&right_input_mixer_controls[0],
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ARRAY_SIZE(right_input_mixer_controls)),
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SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
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SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
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SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in1r_to_rmixer_controls),
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SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in2r_to_rmixer_controls),
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SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in3r_to_rmixer_controls),
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SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in2l_to_rmixer_controls),
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SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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cmr_to_rmixer_controls),
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SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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in1l_to_rmixer_controls),
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SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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in3l_to_rmixer_controls),
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SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
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SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in1l_to_lmixer_controls),
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SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in2l_to_lmixer_controls),
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SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in3l_to_lmixer_controls),
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SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
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in1r_to_lmixer_controls),
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SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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cml_to_lmixer_controls),
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SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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in2r_to_lmixer_controls),
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SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
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in3r_to_lmixer_controls),
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SND_SOC_DAPM_MICBIAS("Mic Bias", AIC32X4_MICBIAS, 6, 0),
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SND_SOC_DAPM_OUTPUT("HPL"),
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@ -287,21 +343,77 @@ static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
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{"LOR Power", NULL, "LOR Output Mixer"},
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{"LOR", NULL, "LOR Power"},
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/* Left input */
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{"Left Input Mixer", "IN1_L P Switch", "IN1_L"},
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{"Left Input Mixer", "IN2_L P Switch", "IN2_L"},
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{"Left Input Mixer", "IN3_L P Switch", "IN3_L"},
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{"Left Input Mixer", "IN1_R P Switch", "IN1_R"},
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{"Left ADC", NULL, "Left Input Mixer"},
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/* Right Input */
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{"Right Input Mixer", "IN1_R P Switch", "IN1_R"},
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{"Right Input Mixer", "IN2_R P Switch", "IN2_R"},
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{"Right Input Mixer", "IN3_R P Switch", "IN3_R"},
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{"Right Input Mixer", "IN2_L P Switch", "IN2_L"},
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{"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
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{"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
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{"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
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{"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},
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{"Right ADC", NULL, "Right Input Mixer"},
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{"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
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{"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
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{"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
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{"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},
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{"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
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{"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
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{"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
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{"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},
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{"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
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{"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
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{"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
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{"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},
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{"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
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{"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
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{"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
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{"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},
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{"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
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{"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
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{"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
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{"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},
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{"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
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{"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
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{"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
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{"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},
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/* Left Input */
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{"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
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{"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
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{"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
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{"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},
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{"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
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{"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
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{"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
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{"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},
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{"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
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{"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
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{"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
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{"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},
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{"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
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{"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
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{"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
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{"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},
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{"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
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{"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
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{"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
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{"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},
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{"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
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{"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
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{"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
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{"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},
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{"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
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{"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
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{"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
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{"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
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};
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static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
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