SoC: intel: byt: Introduce new custom IN2 map

Introduce a new custom dapm routes map to quirk platforms with the
internal mic connected to IN2P.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/bytcr_rt5651.c

@@ -37,6 +37,7 @@
 enum {
 	BYT_RT5651_DMIC_MAP,
 	BYT_RT5651_IN1_MAP,
+	BYT_RT5651_IN2_MAP,
 };
 
 #define BYT_RT5651_MAP(quirk)	((quirk) & GENMASK(7, 0))
@@ -58,6 +59,8 @@ static void log_quirks(struct device *dev)
 		dev_info(dev, "quirk DMIC_MAP enabled");
 	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
 		dev_info(dev, "quirk IN1_MAP enabled");
+	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
+		dev_info(dev, "quirk IN2_MAP enabled");
 	if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
 		dev_info(dev, "quirk DMIC enabled");
 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
@@ -143,7 +146,6 @@ static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
 	{"ssp2 Rx", NULL, "AIF1 Capture"},
 
 	{"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */
-	{"IN2P", NULL, "Headset Mic"},
 	{"Headphone", NULL, "HPOL"},
 	{"Headphone", NULL, "HPOR"},
 	{"Speaker", NULL, "LOUTL"},
@@ -151,15 +153,23 @@ static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
 };
 
 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
+	{"IN2P", NULL, "Headset Mic"},
 	{"DMIC L1", NULL, "Internal Mic"},
 	{"DMIC R1", NULL, "Internal Mic"},
 };
 
 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
 	{"Internal Mic", NULL, "micbias1"},
+	{"IN2P", NULL, "Headset Mic"},
 	{"IN1P", NULL, "Internal Mic"},
 };
 
+static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
+	{"Internal Mic", NULL, "micbias1"},
+	{"IN1P", NULL, "Headset Mic"},
+	{"IN2P", NULL, "Internal Mic"},
+};
+
 static const struct snd_kcontrol_new byt_rt5651_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
@@ -246,6 +256,10 @@ static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
 		custom_map = byt_rt5651_intmic_in1_map;
 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
 		break;
+	case BYT_RT5651_IN2_MAP:
+		custom_map = byt_rt5651_intmic_in2_map;
+		num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
+		break;
 	default:
 		custom_map = byt_rt5651_intmic_dmic_map;
 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);