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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-27 16:14:26 +0900 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2013-01-15 15:42:17 +0900 |
| commit | cd74f7b3b387cbc6153b15c100982bac119af753 (patch) | |
| tree | 0351bb481c4f7e24d361ccf8eb2f860641eddf4f /drivers/extcon | |
| parent | db72e6a1629ab79f5599f21ab19f8eb31137befa (diff) | |
| download | linux-cd74f7b3b387cbc6153b15c100982bac119af753.tar.gz linux-cd74f7b3b387cbc6153b15c100982bac119af753.tar.bz2 linux-cd74f7b3b387cbc6153b15c100982bac119af753.zip | |
extcon: arizona: Only set GPIO if it has been requested
The micd_pol GPIO is only requested if we've specified one greater than 0
so apply the same test before we set it.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 7dbefe8fe5c2..9e1d104803e7 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -85,8 +85,9 @@ static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) { struct arizona *arizona = info->arizona; - gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, - info->micd_modes[mode].gpio); + if (arizona->pdata.micd_pol_gpio > 0) + gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, + info->micd_modes[mode].gpio); regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_BIAS_SRC_MASK, info->micd_modes[mode].bias); |