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linux/Documentation/devicetree/bindings/sound/rt5663.txt
oder_chiou@realtek.com 278982b50b ASoC: rt5663: Seprate the DC offset between headphone and headset
The patch seprates the DC offset between headphone and headset.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2017-08-02 11:20:50 +01:00

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RT5663 audio CODEC
This device supports I2C only.
Required properties:
- compatible : "realtek,rt5663".
- reg : The I2C address of the device.
- interrupts : The CODEC's interrupt output.
Optional properties:
- "realtek,dc_offset_l_manual"
- "realtek,dc_offset_r_manual"
- "realtek,dc_offset_l_manual_mic"
- "realtek,dc_offset_r_manual_mic"
Based on the different PCB layout, add the manual offset value to
compensate the DC offset for each L and R channel, and they are different
between headphone and headset.
Pins on the device (for linking into audio routes) for RT5663:
* IN1P
* IN1N
* IN2P
* IN2N
* HPOL
* HPOR
Example:
codec: rt5663@12 {
compatible = "realtek,rt5663";
reg = <0x12>;
interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
};