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extcon: arizona: Update DT binding documentation for jack detection

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Add additional bindings for both inverting the polarity of the jack
detection pins and allowing the use of a second jack detection pin. Note
that the second jack detection pin is hard wired in the chip so can only
be enabled through the binding, rather than a pin being specified.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Charles Keepax 2015-11-19 15:45:40 +00:00 committed by Chanwoo Choi
parent afe330098d
commit 36a8687296
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/extcon/extcon-arizona.txt
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@ -14,6 +14,12 @@ Optional properties:
If this node is not mentioned or if the value is unknown, then
headphone detection mode is set to HPDETL.
- wlf,use-jd-gpio : Use GPIO input along with JD1 for dual pin jack
detection.
- wlf,use-jd-gpio-nopull : Internal pull on GPIO is disabled when used for
jack detection.
- wlf,jd-invert : Invert the polarity of the jack detection switch
- wlf,micd-software-compare : Use a software comparison to determine mic
presence
- wlf,micd-detect-debounce : Additional software microphone detection