gpio-lpc32xx: Fix value handling of gpio_direction_output()

For GPIOs of gpio-lpc32xx, gpio_direction_output() ignores the value argument
(initial value of output). This patch fixes this by setting the level
accordingly.

Cc: stable@kernel.org
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 8a420f13905e814bc9e76672941d64fd31ab57f2..ed94b4ea72e9324cdc70a1ad4551f0e85fca89d0 100644 (file)
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -308,6 +308,7 @@ static int lpc32xx_gpio_dir_output_p012(struct gpio_chip *chip, unsigned pin,
 {
        struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+       __set_gpio_level_p012(group, pin, value);
        __set_gpio_dir_p012(group, pin, 0);
 
        return 0;
@@ -318,6 +319,7 @@ static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin,
 {
        struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
 
+       __set_gpio_level_p3(group, pin, value);
        __set_gpio_dir_p3(group, pin, 0);
 
        return 0;
@@ -326,6 +328,9 @@ static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin,
 static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin,
        int value)
 {
+       struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip);
+
+       __set_gpo_level_p3(group, pin, value);
        return 0;
 }