ASoC: arizona: Add device tree binding doc for volume limits

Signed-off-by: Charles Keepax <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Mark Brown <[email protected]>
josf · Sep 20, 2017 · 0340afe · 0340afe
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commit 0340afe
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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.