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authoroder_chiou@realtek.com <oder_chiou@realtek.com>2017-07-10 11:14:56 +0800
committerMark Brown <broonie@kernel.org>2017-07-17 12:05:54 +0100
commit450f0f6a8fb499a6ef3d10ab5c29a7c4650a9958 (patch)
treeae72cea4074100050b33cd3872607aed9dc69dc4 /Documentation/devicetree/bindings/sound/rt5663.txt
parent09b8852c759917e3ea10062b374692a5313cbfd8 (diff)
ASoC: rt5663: Add the manual offset field to compensate the DC offset
The patch adds the manual offset field in the devicetree to compensate the DC offset that will be different between the PCB layout. It only can be measured by the real production. Signed-off-by: Oder Chiou <oder_chiou@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/rt5663.txt')
-rw-r--r--Documentation/devicetree/bindings/sound/rt5663.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5663.txt b/Documentation/devicetree/bindings/sound/rt5663.txt
index 70eaeaed2b18..f7c7cc513ee8 100644
--- a/Documentation/devicetree/bindings/sound/rt5663.txt
+++ b/Documentation/devicetree/bindings/sound/rt5663.txt
@@ -12,6 +12,11 @@ Required properties:
Optional properties:
+- "realtek,dc_offset_l_manual"
+- "realtek,dc_offset_r_manual"
+ Based on the different PCB layout, add the manual offset value to
+ compensate the DC offset for each L and R channel.
+
Pins on the device (for linking into audio routes) for RT5663:
* IN1P