Re: [PATCH v3 7/7] ASoC: codecs: wcd938x: add audio routing

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On 3/19/21 4:29 AM, Srinivas Kandagatla wrote:
This patch adds audio routing for both playback and capture.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
  sound/soc/codecs/wcd938x.c | 97 ++++++++++++++++++++++++++++++++++++++
  1 file changed, 97 insertions(+)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 31e3cf729568..0f801920ebac 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -3153,6 +3153,99 @@ static const struct snd_soc_dapm_widget wcd938x_rx_dapm_widgets[] = {
}; +static const struct snd_soc_dapm_route wcd938x_rx_audio_map[] = {
+	{"IN1_HPHL", NULL, "VDD_BUCK"},
+	{"IN1_HPHL", NULL, "CLS_H_PORT"},
+
+	{"RX1", NULL, "IN1_HPHL"},
+	{"RX1", NULL, "RXCLK"},
+	{"RDAC1", NULL, "RX1"},
+	{"HPHL_RDAC", "Switch", "RDAC1"},
+	{"HPHL PGA", NULL, "HPHL_RDAC"},
+	{"HPHL", NULL, "HPHL PGA"},
+
+	{"IN2_HPHR", NULL, "VDD_BUCK"},
+	{"IN2_HPHR", NULL, "CLS_H_PORT"},
+	{"RX2", NULL, "IN2_HPHR"},
+	{"RDAC2", NULL, "RX2"},
+	{"RX2", NULL, "RXCLK"},
+	{"HPHR_RDAC", "Switch", "RDAC2"},
+	{"HPHR PGA", NULL, "HPHR_RDAC"},
+	{"HPHR", NULL, "HPHR PGA"},
+
+	{"IN3_AUX", NULL, "VDD_BUCK"},
+	{"IN3_AUX", NULL, "CLS_H_PORT"},
+	{"RX3", NULL, "IN3_AUX"},
+	{"RDAC4", NULL, "RX3"},
+	{"RX3", NULL, "RXCLK"},
+	{"AUX_RDAC", "Switch", "RDAC4"},
+	{"AUX PGA", NULL, "AUX_RDAC"},
+	{"AUX", NULL, "AUX PGA"},
+
+	{"RDAC3_MUX", "RX3", "RX3"},
+	{"RDAC3_MUX", "RX1", "RX1"},
+	{"RDAC3", NULL, "RDAC3_MUX"},
+	{"EAR_RDAC", "Switch", "RDAC3"},
+	{"EAR PGA", NULL, "EAR_RDAC"},
+	{"EAR", NULL, "EAR PGA"},
+};
+
+static const struct snd_soc_dapm_route wcd938x_audio_map[] = {
+	{"ADC1_OUTPUT", NULL, "ADC1_MIXER"},
+	{"ADC1_MIXER", "Switch", "ADC1 REQ"},
+	{"ADC1 REQ", NULL, "ADC1"},
+	{"ADC1", NULL, "AMIC1"},
+
+	{"ADC2_OUTPUT", NULL, "ADC2_MIXER"},
+	{"ADC2_MIXER", "Switch", "ADC2 REQ"},
+	{"ADC2 REQ", NULL, "ADC2"},
+	{"ADC2", NULL, "HDR12 MUX"},
+	{"HDR12 MUX", "NO_HDR12", "ADC2 MUX"},
+	{"HDR12 MUX", "HDR12", "AMIC1"},
+	{"ADC2 MUX", "INP3", "AMIC3"},
+	{"ADC2 MUX", "INP2", "AMIC2"},
+
+	{"ADC3_OUTPUT", NULL, "ADC3_MIXER"},
+	{"ADC3_MIXER", "Switch", "ADC3 REQ"},
+	{"ADC3 REQ", NULL, "ADC3"},
+	{"ADC3", NULL, "HDR34 MUX"},
+	{"HDR34 MUX", "NO_HDR34", "ADC3 MUX"},
+	{"HDR34 MUX", "HDR34", "AMIC5"},
+	{"ADC3 MUX", "INP4", "AMIC4"},
+	{"ADC3 MUX", "INP6", "AMIC6"},
+
+	{"ADC4_OUTPUT", NULL, "ADC4_MIXER"},
+	{"ADC4_MIXER", "Switch", "ADC4 REQ"},
+	{"ADC4 REQ", NULL, "ADC4"},
+	{"ADC4", NULL, "ADC4 MUX"},
+	{"ADC4 MUX", "INP5", "AMIC5"},
+	{"ADC4 MUX", "INP7", "AMIC7"},
+
+	{"DMIC1_OUTPUT", NULL, "DMIC1_MIXER"},
+	{"DMIC1_MIXER", "Switch", "DMIC1"},
+
+	{"DMIC2_OUTPUT", NULL, "DMIC2_MIXER"},
+	{"DMIC2_MIXER", "Switch", "DMIC2"},
+
+	{"DMIC3_OUTPUT", NULL, "DMIC3_MIXER"},
+	{"DMIC3_MIXER", "Switch", "DMIC3"},
+
+	{"DMIC4_OUTPUT", NULL, "DMIC4_MIXER"},
+	{"DMIC4_MIXER", "Switch", "DMIC4"},
+
+	{"DMIC5_OUTPUT", NULL, "DMIC5_MIXER"},
+	{"DMIC5_MIXER", "Switch", "DMIC5"},
+
+	{"DMIC6_OUTPUT", NULL, "DMIC6_MIXER"},
+	{"DMIC6_MIXER", "Switch", "DMIC6"},
+
+	{"DMIC7_OUTPUT", NULL, "DMIC7_MIXER"},
+	{"DMIC7_MIXER", "Switch", "DMIC7"},
+
+	{"DMIC8_OUTPUT", NULL, "DMIC8_MIXER"},
+	{"DMIC8_MIXER", "Switch", "DMIC8"},
+};

And last comment that shows I am at a loss on how this is supposed to work: how would sidetone be handled? This is functionality that needs both playback and capture to be working, but if they are split into two separate spaces with only the TX handling commands then what happens?


+
  static int wcd938x_get_micb_vout_ctl_val(u32 micb_mv)
  {
  	/* min micbias voltage is 1V and maximum is 2.85V */
@@ -3332,6 +3425,8 @@ static const struct snd_soc_component_driver soc_codec_dev_wcd938x_sdw_rx = {
  	.num_controls = ARRAY_SIZE(wcd938x_rx_snd_controls),
  	.dapm_widgets = wcd938x_rx_dapm_widgets,
  	.num_dapm_widgets = ARRAY_SIZE(wcd938x_rx_dapm_widgets),
+	.dapm_routes = wcd938x_rx_audio_map,
+	.num_dapm_routes = ARRAY_SIZE(wcd938x_rx_audio_map),
  };
static const struct snd_soc_component_driver soc_codec_dev_wcd938x_sdw_tx = {
@@ -3341,6 +3436,8 @@ static const struct snd_soc_component_driver soc_codec_dev_wcd938x_sdw_tx = {
  	.num_controls = ARRAY_SIZE(wcd938x_snd_controls),
  	.dapm_widgets = wcd938x_dapm_widgets,
  	.num_dapm_widgets = ARRAY_SIZE(wcd938x_dapm_widgets),
+	.dapm_routes = wcd938x_audio_map,
+	.num_dapm_routes = ARRAY_SIZE(wcd938x_audio_map),
  };
static void wcd938x_dt_parse_micbias_info(struct device *dev, struct wcd938x_priv *wcd)




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