- - wlf,hpdet-channel : Headphone detection channel.
- ARIZONA_ACCDET_MODE_HPL or 1 - Headphone detect mode is set to HPDETL
- ARIZONA_ACCDET_MODE_HPR or 2 - 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 HPDETL.
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