leds: lp8860: Remove duplicate NULL checks for gpio_desc

gpiod_*() API check already for the NULL, no need
to repeat that in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230215170403.84449-2-andriy.shevchenko@linux.intel.com

drivers/leds/leds-lp8860.c

@@ -249,8 +249,7 @@ static int lp8860_init(struct lp8860_led *led)
 		}
 	}
 
-	if (led->enable_gpio)
-		gpiod_direction_output(led->enable_gpio, 1);
+	gpiod_direction_output(led->enable_gpio, 1);
 
 	ret = lp8860_fault_check(led);
 	if (ret)
@@ -293,8 +292,7 @@ static int lp8860_init(struct lp8860_led *led)
 
 out:
 	if (ret)
-		if (led->enable_gpio)
-			gpiod_direction_output(led->enable_gpio, 0);
+		gpiod_direction_output(led->enable_gpio, 0);
 
 	if (led->regulator) {
 		ret = regulator_disable(led->regulator);
@@ -448,8 +446,7 @@ static void lp8860_remove(struct i2c_client *client)
 	struct lp8860_led *led = i2c_get_clientdata(client);
 	int ret;
 
-	if (led->enable_gpio)
-		gpiod_direction_output(led->enable_gpio, 0);
+	gpiod_direction_output(led->enable_gpio, 0);
 
 	if (led->regulator) {
 		ret = regulator_disable(led->regulator);