regulator: wm8994: Convert to gpio_request_one()

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index 0ee81e1..1f7f43c 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -224,19 +224,12 @@
 	if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
 		ldo->enable = pdata->ldo[id].enable;
 
-		ret = gpio_request(ldo->enable, "WM8994 LDO enable");
+		ret = gpio_request_one(ldo->enable, 0, "WM8994 LDO enable");
 		if (ret < 0) {
 			dev_err(&pdev->dev, "Failed to get enable GPIO: %d\n",
 				ret);
 			goto err;
 		}
-
-		ret = gpio_direction_output(ldo->enable, ldo->is_enabled);
-		if (ret < 0) {
-			dev_err(&pdev->dev, "Failed to set GPIO up: %d\n",
-				ret);
-			goto err_gpio;
-		}
 	} else
 		ldo->is_enabled = true;