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>

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);