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extcon: arizona: Retry failed HP measurements 

We now have mechanisms in place to allow retries so let's use them rather
than guessing.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
hifive-unleashed-5.1
Mark Brown 2013-01-21 17:30:02 +09:00
parent 4e61687795
commit e6dd8cf223
1 changed files with 4 additions and 6 deletions
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10
drivers/extcon/extcon-arizona.c
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@ -31,8 +31,6 @@
#include <linux/mfd/arizona/pdata.h>
#include <linux/mfd/arizona/registers.h>
#define ARIZONA_DEFAULT_HP 32
#define ARIZONA_NUM_BUTTONS 6
#define ARIZONA_ACCDET_MODE_MIC 0
@ -208,7 +206,7 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
if (!(val & ARIZONA_HP_DONE)) {
dev_err(arizona->dev, "HPDET did not complete: %x\n",
val);
val = ARIZONA_DEFAULT_HP;
return -EAGAIN;
}
val &= ARIZONA_HP_LVL_MASK;
@ -218,14 +216,14 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
if (!(val & ARIZONA_HP_DONE_B)) {
dev_err(arizona->dev, "HPDET did not complete: %x\n",
val);
return ARIZONA_DEFAULT_HP;
return -EAGAIN;
}
ret = regmap_read(arizona->regmap, ARIZONA_HP_DACVAL, &val);
if (ret != 0) {
dev_err(arizona->dev, "Failed to read HP value: %d\n",
ret);
return ARIZONA_DEFAULT_HP;
return -EAGAIN;
}
regmap_read(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1,
@ -267,7 +265,7 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
if (!(val & ARIZONA_HP_DONE_B)) {
dev_err(arizona->dev, "HPDET did not complete: %x\n",
val);
return ARIZONA_DEFAULT_HP;
return -EAGAIN;
}
val &= ARIZONA_HP_LVL_B_MASK;