--- /dev/null
+From 694b14554d75f2a1ae111202e71860d58b434a21 Mon Sep 17 00:00:00 2001
+From: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
+Date: Fri, 19 Jul 2019 10:05:34 +0000
+Subject: ASoC: sgtl5000: add ADC mute control
+
+From: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
+
+commit 694b14554d75f2a1ae111202e71860d58b434a21 upstream.
+
+This control mute/unmute the ADC input of SGTL5000
+using its CHIP_ANA_CTRL register.
+
+Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
+Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
+Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
+Reviewed-by: Fabio Estevam <festevam@gmail.com>
+Link: https://lore.kernel.org/r/20190719100524.23300-5-oleksandr.suvorov@toradex.com
+Signed-off-by: Mark Brown <broonie@kernel.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ sound/soc/codecs/sgtl5000.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/sound/soc/codecs/sgtl5000.c
++++ b/sound/soc/codecs/sgtl5000.c
+@@ -720,6 +720,7 @@ static const struct snd_kcontrol_new sgt
+ SGTL5000_CHIP_ANA_ADC_CTRL,
+ 8, 1, 0, capture_6db_attenuate),
+ SOC_SINGLE("Capture ZC Switch", SGTL5000_CHIP_ANA_CTRL, 1, 1, 0),
++ SOC_SINGLE("Capture Switch", SGTL5000_CHIP_ANA_CTRL, 0, 1, 1),
+
+ SOC_DOUBLE_TLV("Headphone Playback Volume",
+ SGTL5000_CHIP_ANA_HP_CTRL,