extcon: arizona: Invert logic of check in arizona_hpdet_do_id

Invert the check of hpdet_acc_id at the top of arizona_hpdet_do_id to
reduce the identation within the function.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

drivers/extcon/extcon-arizona.c

@@ -533,11 +533,13 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading,
 	struct arizona *arizona = info->arizona;
 	int id_gpio = arizona->pdata.hpdet_id_gpio;
 
+	if (!arizona->pdata.hpdet_acc_id)
+		return 0;
+
 	/*
 	 * If we're using HPDET for accessory identification we need
 	 * to take multiple measurements, step through them in sequence.
 	 */
-	if (arizona->pdata.hpdet_acc_id) {
 	info->hpdet_res[info->num_hpdet_res++] = *reading;
 
 	/* Only check the mic directly if we didn't already ID it */
@@ -553,8 +555,7 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading,
 
 		gpio_set_value_cansleep(id_gpio, 1);
 
-			regmap_update_bits(arizona->regmap,
-					   ARIZONA_HEADPHONE_DETECT_1,
+		regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1,
 				   ARIZONA_HP_POLL, ARIZONA_HP_POLL);
 		return -EAGAIN;
 	}
@@ -588,11 +589,8 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading,
 	}
 
 	/* Make sure everything is reset back to the real polarity */
-		regmap_update_bits(arizona->regmap,
-				   ARIZONA_ACCESSORY_DETECT_MODE_1,
-				   ARIZONA_ACCDET_SRC,
-				   info->micd_modes[0].src);
-	}
+	regmap_update_bits(arizona->regmap, ARIZONA_ACCESSORY_DETECT_MODE_1,
+			   ARIZONA_ACCDET_SRC, info->micd_modes[0].src);
 
 	return 0;
 }