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Subject[alsa-devel] [PATCH v2 2/2] mfd: arizona: Update DT binding to support hpdet channel
This patch add device tree bindings for the pdata needed to configure
the Accessory Detect Mode select when Headphone detection.

Signed-off-by: Inha Song <>
Documentation/devicetree/bindings/mfd/arizona.txt | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index 7bd1273..3529592 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -49,6 +49,12 @@ Optional properties:
input singals. If values less than the number of input signals, elements
that has not been specifed are set to 0 by default.

+ - wlf,hpdet-channel : Headphone detection channel.
+ 1 or ARIZONA_ACCDET_MODE_HPL - Headphone detect mode is set to HPDETL
+ 2 or ARIZONA_ACCDET_MODE_HPR - Headphone detect mode is set to HPDETR
+ If this node is not mentioned or if the value is unknown, then
+ headphone detection mode is set to MICDET.
- DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if
they are being externally supplied. As covered in

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