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authorRichard Fitzgerald <rf@opensource.wolfsonmicro.com>2014-05-23 15:54:57 +0400
committerChanwoo Choi <cw00.choi@samsung.com>2014-06-16 08:33:18 +0400
commita288d648715bab6a1ab2b72cb1c1cc79cdc8cb43 (patch)
tree0882b812423b89b408f2d9a581fee87f6aefd255 /drivers/extcon
parent7171511eaec5bf23fb06078f59784a3a0626b38f (diff)
downloadlinux-a288d648715bab6a1ab2b72cb1c1cc79cdc8cb43.tar.xz
extcon: arizona: support inverted jack detect switch
Add config option for inverted jack detect switch that opens when jack is inserted. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> [Acked by Lee Jones for MFD part] Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
-rw-r--r--drivers/extcon/extcon-arizona.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 6c84e3d12043..cf907430a698 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -39,6 +39,11 @@
#define ARIZONA_ACCDET_MODE_HPL 1
#define ARIZONA_ACCDET_MODE_HPR 2
+#define ARIZONA_MICD_CLAMP_MODE_JDL 0x4
+#define ARIZONA_MICD_CLAMP_MODE_JDH 0x5
+#define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9
+#define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb
+
#define ARIZONA_HPDET_MAX 10000
#define HPDET_DEBOUNCE 500
@@ -962,10 +967,16 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
if (arizona->pdata.jd_gpio5) {
mask = ARIZONA_MICD_CLAMP_STS;
- present = 0;
+ if (arizona->pdata.jd_invert)
+ present = ARIZONA_MICD_CLAMP_STS;
+ else
+ present = 0;
} else {
mask = ARIZONA_JD1_STS;
- present = ARIZONA_JD1_STS;
+ if (arizona->pdata.jd_invert)
+ present = 0;
+ else
+ present = ARIZONA_JD1_STS;
}
ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val);
@@ -1096,6 +1107,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
struct arizona_pdata *pdata = &arizona->pdata;
struct arizona_extcon_info *info;
unsigned int val;
+ unsigned int clamp_mode;
int jack_irq_fall, jack_irq_rise;
int ret, mode, i, j;
@@ -1305,16 +1317,22 @@ static int arizona_extcon_probe(struct platform_device *pdev)
regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL,
val);
- regmap_update_bits(arizona->regmap,
- ARIZONA_MICD_CLAMP_CONTROL,
- ARIZONA_MICD_CLAMP_MODE_MASK, 0x9);
+ if (arizona->pdata.jd_invert)
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H;
+ else
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H;
} else {
- regmap_update_bits(arizona->regmap,
- ARIZONA_MICD_CLAMP_CONTROL,
- ARIZONA_MICD_CLAMP_MODE_MASK, 0x4);
+ if (arizona->pdata.jd_invert)
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH;
+ else
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL;
}
regmap_update_bits(arizona->regmap,
+ ARIZONA_MICD_CLAMP_CONTROL,
+ ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode);
+
+ regmap_update_bits(arizona->regmap,
ARIZONA_JACK_DETECT_DEBOUNCE,
ARIZONA_MICD_CLAMP_DB,
ARIZONA_MICD_CLAMP_DB);