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mfd: arizona: Add registers for ADC microphone detection

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The newer devices support using a software comparison to determine
whether a 3/4 pole jack is present. Add the registers necessary for
this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Charles Keepax
2015-09-16 10:42:13 +01:00
committed by Chanwoo Choi
parent 1f93e4a96c
commit e76e397a7f
4 changed files with 10 additions and 3 deletions
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3
include/linux/mfd/arizona/pdata.h
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@@ -124,6 +124,9 @@ struct arizona_pdata {
/** Channel to use for headphone detection */
unsigned int hpdet_channel;
/** Use software comparison to determine mic presence */
bool micd_software_compare;
/** Extra debounce timeout used during initial mic detection (ms) */
unsigned int micd_detect_debounce;

6
include/linux/mfd/arizona/registers.h
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@@ -2359,9 +2359,9 @@
#define ARIZONA_ACCDET_SRC_MASK 0x2000 /* ACCDET_SRC */
#define ARIZONA_ACCDET_SRC_SHIFT 13 /* ACCDET_SRC */
#define ARIZONA_ACCDET_SRC_WIDTH 1 /* ACCDET_SRC */
#define ARIZONA_ACCDET_MODE_MASK 0x0003 /* ACCDET_MODE - [1:0] */
#define ARIZONA_ACCDET_MODE_SHIFT 0 /* ACCDET_MODE - [1:0] */
#define ARIZONA_ACCDET_MODE_WIDTH 2 /* ACCDET_MODE - [1:0] */
#define ARIZONA_ACCDET_MODE_MASK 0x0007 /* ACCDET_MODE - [2:0] */
#define ARIZONA_ACCDET_MODE_SHIFT 0 /* ACCDET_MODE - [2:0] */
#define ARIZONA_ACCDET_MODE_WIDTH 3 /* ACCDET_MODE - [2:0] */
/*
* R667 (0x29B) - Headphone Detect 1