[PATCH v2 5/6] ASoC: Intel: bytct_rt5640: Add a separate "Headset Mic 2" DAPM pin for the mic on the 2nd jack

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In order to be able to do jack-detection reporting for the
mic contact on the 2nd jack found on some devices, the
DAPM topology needs to have a separate DAPM pin/input for that
microphone, instead of re-using the "Internal Mic" pin which is
normally used together with the IN1P input of the codec.

Using the "Internal Mic" dapm-pin-switch for this in a snd_soc_jack_pin to
report hotplug events causes the "Internal Mic" pin to get deactivated
when unplugging a headset from the 2nd jack, thus turning off the actual
Internal Mic (typically a pair of digital mics on devices with 2 jacks).

Fixes: 79c1123bac3b ("ASoC: Intel: bytcr_rt5640: Add support for a second headset mic input")
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
 sound/soc/intel/boards/bytcr_rt5640.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index d9e23c793f96..3c5ca97f22a9 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -324,6 +324,7 @@ static int byt_rt5640_event_lineout(struct snd_soc_dapm_widget *w,
 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic 2", NULL),
 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
 	SND_SOC_DAPM_SPK("Speaker", NULL),
 	SND_SOC_DAPM_LINE("Line Out", byt_rt5640_event_lineout),
@@ -363,6 +364,12 @@ static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
 	{"IN3P", NULL, "Internal Mic"},
 };
 
+static const struct snd_soc_dapm_route byt_rt5640_hsmic2_in1_map[] = {
+	{"Headset Mic 2", NULL, "Platform Clock"},
+	{"Headset Mic 2", NULL, "MICBIAS1"},
+	{"IN1P", NULL, "Headset Mic 2"},
+};
+
 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
 	{"ssp2 Tx", NULL, "codec_out0"},
 	{"ssp2 Tx", NULL, "codec_out1"},
@@ -422,6 +429,7 @@ static const struct snd_soc_dapm_route byt_rt5640_lineout_map[] = {
 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic 2"),
 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
 	SOC_DAPM_PIN_SWITCH("Speaker"),
 	SOC_DAPM_PIN_SWITCH("Line Out"),
@@ -1086,8 +1094,8 @@ static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
 
 	if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1) {
 		ret = snd_soc_dapm_add_routes(&card->dapm,
-					byt_rt5640_intmic_in1_map,
-					ARRAY_SIZE(byt_rt5640_intmic_in1_map));
+					byt_rt5640_hsmic2_in1_map,
+					ARRAY_SIZE(byt_rt5640_hsmic2_in1_map));
 		if (ret)
 			return ret;
 	}
-- 
2.31.1




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