linux-kernel - [PATCH v2 2/3] ASoC: arizona: add defines for single-input gain control

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Date:	Mon, 28 Sep 2015 14:01:08 +0100
From:	Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>
To:	<broonie@...nel.org>
CC:	<lgirdwood@...il.com>, <patches@...nsource.wolfsonmicro.com>,
	<alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/3] ASoC: arizona: add defines for single-input gain control

Adds convenience defines for declaring a gain control that
has an input mux. These blocks are functionally equivalent to
the existing mixer blocks but can only have a single input
active at once.

Signed-off-by: Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@...nel.org>
---
 sound/soc/codecs/arizona.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index 7b68d05..b73920a 100644
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -99,6 +99,11 @@ extern const unsigned int arizona_mixer_tlv[];
 extern const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS];
 extern int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS];
 
+#define ARIZONA_GAINMUX_CONTROLS(name, base) \
+	SOC_SINGLE_RANGE_TLV(name " Input Volume", base + 1,		\
+			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
+			     arizona_mixer_tlv)
+
 #define ARIZONA_MIXER_CONTROLS(name, base) \
 	SOC_SINGLE_RANGE_TLV(name " Input 1 Volume", base + 1,		\
 			     ARIZONA_MIXER_VOL_SHIFT, 0x20, 0x50, 0,	\
-- 
1.9.1

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