backlight: lms283gf05: use devm_gpio_request_one

By using devm_gpio_request_one it is possible to set the direction
and initial value in one shot. Thus, using devm_gpio_request_one
can make the code simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/backlight/lms283gf05.c

@@ -158,13 +158,9 @@ static int lms283gf05_probe(struct spi_device *spi)
 	int ret = 0;
 
 	if (pdata != NULL) {
-		ret = devm_gpio_request(&spi->dev, pdata->reset_gpio,
-					"LMS285GF05 RESET");
-		if (ret)
-			return ret;
-
-		ret = gpio_direction_output(pdata->reset_gpio,
-						!pdata->reset_inverted);
+		ret = devm_gpio_request_one(&spi->dev, pdata->reset_gpio,
+				GPIOF_DIR_OUT | !pdata->reset_inverted,
+				"LMS285GF05 RESET");
 		if (ret)
 			return ret;
 	}