[PATCH] pinctrl: sunxi: Honor GPIO output initial vaules

[Chen-Yu Tsai]

Some GPIO users, such as fixed-regulator, request GPIO output with
initial value of 1. This was ignored by sunxi driver.

Signed-off-by: Chen-Yu Tsai <wens at csie.org>
---
 drivers/pinctrl/pinctrl-sunxi.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index 119d2dd..fc72d10 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -469,12 +469,6 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return val;
 }
 
-static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
-					unsigned offset, int value)
-{
-	return pinctrl_gpio_direction_output(chip->base + offset);
-}
-
 static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
 				unsigned offset, int value)
 {
@@ -498,6 +492,17 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
 	spin_unlock_irqrestore(&pctl->lock, flags);
 }
 
+static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip,
+					unsigned offset, int value)
+{
+	int ret = pinctrl_gpio_direction_output(chip->base + offset);
+
+	if (ret == 0)
+		sunxi_pinctrl_gpio_set(chip, offset, value);
+
+	return ret;
+}
+
 static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc,
 				const struct of_phandle_args *gpiospec,
 				u32 *flags)
-- 
1.8.5.2