linux-kernel - [PATCH 7/7] ASoC: arizona: Add device tree binding doc for volume limits

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Date:   Mon, 4 Sep 2017 16:41:54 +0100
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     <broonie@...nel.org>, <lee.jones@...aro.org>
CC:     <lgirdwood@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <devicetree@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>
Subject: [PATCH 7/7] ASoC: arizona: Add device tree binding doc for volume limits

Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
 Documentation/devicetree/bindings/sound/wlf,arizona.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/wlf,arizona.txt b/Documentation/devicetree/bindings/sound/wlf,arizona.txt
index 4e67224488d8..e172c62dc2df 100644
--- a/Documentation/devicetree/bindings/sound/wlf,arizona.txt
+++ b/Documentation/devicetree/bindings/sound/wlf,arizona.txt
@@ -47,3 +47,7 @@ Optional properties:
     See the datasheet for values.
     The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997,
     wm8998, wm1814)
+
+  - wlf,out-volume-limit : The volume limit value that should be applied to each
+    output channel. See the datasheet for exact values. Channels are specified
+    in the order OUT1L, OUT1R, OUT2L, OUT2R, etc.
-- 
2.11.0