linux-kernel - [PATCH] ASoC: uniphier: evea: add switch for changing source of line-in

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Date:   Wed, 14 Mar 2018 21:39:00 +0900
From:   Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
To:     Mark Brown <broonie@...nel.org>, alsa-devel@...a-project.org
Cc:     Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
Subject: [PATCH] ASoC: uniphier: evea: add switch for changing source of line-in

This patch adds mixer switch for changing audio source of line-in.
We can choose one of LIN1, 2, 3, default is LIN1.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@...ionext.com>
---
 sound/soc/uniphier/evea.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sound/soc/uniphier/evea.c b/sound/soc/uniphier/evea.c
index 439f14f91b23..73fd6730095c 100644
--- a/sound/soc/uniphier/evea.c
+++ b/sound/soc/uniphier/evea.c
@@ -18,6 +18,8 @@
 
 #define AADCPOW(n)                           (0x0078 + 0x04 * (n))
 #define   AADCPOW_AADC_POWD                   BIT(0)
+#define ALINSW1                              0x0088
+#define   ALINSW1_SEL1_SHIFT                  3
 #define AHPOUTPOW                            0x0098
 #define   AHPOUTPOW_HP_ON                     BIT(4)
 #define ALINEPOW                             0x009c
@@ -278,7 +280,16 @@ static int evea_set_switch_hp(struct snd_kcontrol *kcontrol,
 	return evea_update_switch_hp(evea);
 }
 
+static const char * const linsw1_sel1_text[] = {
+	"LIN1", "LIN2", "LIN3"
+};
+
+static SOC_ENUM_SINGLE_DECL(linsw1_sel1_enum,
+	ALINSW1, ALINSW1_SEL1_SHIFT,
+	linsw1_sel1_text);
+
 static const struct snd_kcontrol_new evea_controls[] = {
+	SOC_ENUM("Line Capture Source", linsw1_sel1_enum),
 	SOC_SINGLE_BOOL_EXT("Line Capture Switch", 0,
 			    evea_get_switch_lin, evea_set_switch_lin),
 	SOC_SINGLE_BOOL_EXT("Line Playback Switch", 0,
-- 
2.16.1