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From:   Sasha Levin <Alexander.Levin@microsoft.com>
To:     "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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CC:     Hans de Goede <hdegoede@redhat.com>,
        Mark Brown <broonie@kernel.org>,
        Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL for 4.4 089/167] ASoC: Intel: cht_bsw_rt5645: Analog
 Mic support
Thread-Topic: [PATCH AUTOSEL for 4.4 089/167] ASoC: Intel: cht_bsw_rt5645:
 Analog Mic support
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Date:   Mon, 19 Mar 2018 16:07:13 +0000
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From: Hans de Goede <hdegoede@redhat.com>

[ Upstream commit b70b309950418437bbd2a30afd169c4f09dee3e5 ]

Various Cherry Trail boards with a rt5645 codec have an analog mic
connected to IN2P + IN2N. The mic on this boards also needs micbias to
be enabled, on some boards micbias1 is used and on others micbias2, so
we enable both.

This commit adds a new "Int Analog Mic" DAPM widget for this, so that we
do not end up enabling micbias on boards with a digital mic which uses
the already present "Int Mic" widget. Some existing UCM files already
refer to "Int Mic" for their "Internal Analog Microphones" SectionDevice,
but these don't work anyways since they enable the RECMIX BST1 Switch
instead of the BST2 switch.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 sound/soc/intel/boards/cht_bsw_rt5645.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boar=
ds/cht_bsw_rt5645.c
index 38d65a3529c4..44d560966e9c 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -96,6 +96,7 @@ static const struct snd_soc_dapm_widget cht_dapm_widgets[=
] =3D {
 	SND_SOC_DAPM_HP("Headphone", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MIC("Int Mic", NULL),
+	SND_SOC_DAPM_MIC("Int Analog Mic", NULL),
 	SND_SOC_DAPM_SPK("Ext Spk", NULL),
 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 			platform_clock_control, SND_SOC_DAPM_POST_PMD),
@@ -106,6 +107,8 @@ static const struct snd_soc_dapm_route cht_rt5645_audio=
_map[] =3D {
 	{"IN1N", NULL, "Headset Mic"},
 	{"DMIC L1", NULL, "Int Mic"},
 	{"DMIC R1", NULL, "Int Mic"},
+	{"IN2P", NULL, "Int Analog Mic"},
+	{"IN2N", NULL, "Int Analog Mic"},
 	{"Headphone", NULL, "HPOL"},
 	{"Headphone", NULL, "HPOR"},
 	{"Ext Spk", NULL, "SPOL"},
@@ -119,6 +122,9 @@ static const struct snd_soc_dapm_route cht_rt5645_audio=
_map[] =3D {
 	{"Headphone", NULL, "Platform Clock"},
 	{"Headset Mic", NULL, "Platform Clock"},
 	{"Int Mic", NULL, "Platform Clock"},
+	{"Int Analog Mic", NULL, "Platform Clock"},
+	{"Int Analog Mic", NULL, "micbias1"},
+	{"Int Analog Mic", NULL, "micbias2"},
 	{"Ext Spk", NULL, "Platform Clock"},
 };
=20
@@ -147,6 +153,7 @@ static const struct snd_kcontrol_new cht_mc_controls[] =
=3D {
 	SOC_DAPM_PIN_SWITCH("Headphone"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Int Mic"),
+	SOC_DAPM_PIN_SWITCH("Int Analog Mic"),
 	SOC_DAPM_PIN_SWITCH("Ext Spk"),
 };
=20
--=20
2.14.1