summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/sound/wm8741.txt
diff options
context:
space:
mode:
authorSergej Sawazki <ce3a@gmx.de>2015-05-13 12:39:01 +0300
committerMark Brown <broonie@kernel.org>2015-05-13 17:51:36 +0300
commitc354b54cfdf63587154da4fa0731c1fbda44c589 (patch)
tree18ca15a19d1085e8978503c6aa45abcc560fedfc /Documentation/devicetree/bindings/sound/wm8741.txt
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadlinux-c354b54cfdf63587154da4fa0731c1fbda44c589.tar.xz
ASoC: wm8741: Add differential mono mode support
The WM8741 DAC supports several differential output modes (stereo, stereo reversed, mono left, mono right). Add platform data and DT bindings to configure it. Signed-off-by: Sergej Sawazki <ce3a@gmx.de> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/wm8741.txt')
-rw-r--r--Documentation/devicetree/bindings/sound/wm8741.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/wm8741.txt b/Documentation/devicetree/bindings/sound/wm8741.txt
index 74bda58c1bcf..a13315408719 100644
--- a/Documentation/devicetree/bindings/sound/wm8741.txt
+++ b/Documentation/devicetree/bindings/sound/wm8741.txt
@@ -10,9 +10,20 @@ Required properties:
- reg : the I2C address of the device for I2C, the chip select
number for SPI.
+Optional properties:
+
+ - diff-mode: Differential output mode configuration. Default value for field
+ DIFF in register R8 (MODE_CONTROL_2). If absent, the default is 0, shall be:
+ 0 = stereo
+ 1 = mono left
+ 2 = stereo reversed
+ 3 = mono right
+
Example:
codec: wm8741@1a {
compatible = "wlf,wm8741";
reg = <0x1a>;
+
+ diff-mode = <3>;
};