linux-kernel - [PATCH 4.15 035/168] ASoC: Intel: cht_bsw

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Date:   Wed, 11 Apr 2018 00:22:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.15 035/168] ASoC: Intel: cht_bsw_rt5645: Analog Mic support

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hans de Goede <hdegoede@...hat.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@...hat.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 sound/soc/intel/boards/cht_bsw_rt5645.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -118,6 +118,7 @@ static const struct snd_soc_dapm_widget
 	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_PRE_PMU | SND_SOC_DAPM_POST_PMD),
@@ -128,6 +129,8 @@ static const struct snd_soc_dapm_route c
 	{"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"},
@@ -135,6 +138,9 @@ static const struct snd_soc_dapm_route c
 	{"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"},
 };
 
@@ -189,6 +195,7 @@ static const struct snd_kcontrol_new cht
 	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"),
 };