regulator: max8952 - fix wrong gpio valid check

Signed-off-by: NJonghwan Choi <jhbird.choi@samsung.com>
Acked-by: NMyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NLiam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/max8952.c

@@ -139,7 +139,7 @@ static int max8952_set_voltage(struct regulator_dev *rdev,
 	s8 vid = -1, i;
 
 	if (!gpio_is_valid(max8952->pdata->gpio_vid0) ||
-			!gpio_is_valid(max8952->pdata->gpio_vid0)) {
+			!gpio_is_valid(max8952->pdata->gpio_vid1)) {
 		/* DVS not supported */
 		return -EPERM;
 	}