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extcon: arizona: Add support for select accessory detect mode when headphone detection

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This patch add support for select accessory detect mode to HPDETL or HPDETR.
Arizona provides a headphone detection circuit on the HPDETL and HPDETR pins
to measure the impedance of an external load connected to the headphone.

Depending on board design, headphone detect pins can change to HPDETR or HPDETL.

Signed-off-by: Inha Song <ideal.song@samsung.com>
Acked-by: Lee Jones <lee@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Inha Song
2015-05-04 13:42:13 +09:00
committed by Chanwoo Choi
parent 2b51f9c2f1
commit 9e86b2ad4c
3 changed files with 37 additions and 8 deletions
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4
include/dt-bindings/mfd/arizona.h
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@@ -90,4 +90,8 @@
#define ARIZONA_INMODE_SE 1
#define ARIZONA_INMODE_DMIC 2
#define ARIZONA_ACCDET_MODE_MIC 0
#define ARIZONA_ACCDET_MODE_HPL 1
#define ARIZONA_ACCDET_MODE_HPR 2
#endif