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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:30:02 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-23 09:32:02 +0800 |
| commit | e6dd8cf223d1a41b3c3168e97e2c33df0ef05e9d (patch) | |
| tree | 86b5bc6a85d91b04fc23960fd4deba02ecf4d3fd /drivers/extcon/extcon-arizona.c | |
| parent | 4e6168779508f62c27e43a4f7ded786bfdb0a394 (diff) | |
| download | lwn-e6dd8cf223d1a41b3c3168e97e2c33df0ef05e9d.tar.gz lwn-e6dd8cf223d1a41b3c3168e97e2c33df0ef05e9d.zip | |
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>
Diffstat (limited to 'drivers/extcon/extcon-arizona.c')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index ce95f8625e8d..528303440c2e 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -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; |