aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRoland Stigge <stigge@antcom.de>2012-09-20 10:48:03 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-02 10:30:48 -0700
commit66801463734e49416a9b013d3eb8f9eb8cd851e0 (patch)
treebdac8e8ce16bb14e9554a5aea7401a7e05488c9f
parentd20ff72cdeb4cbb586a1ee1a3f4f1bbade52414a (diff)
gpio-lpc32xx: Fix value handling of gpio_direction_output()
commit b1268d3737c6316016026245eef276eda6b0a621 upstream. 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. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/gpio/gpio-lpc32xx.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 61c2d08d37b..e42e4b84016 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -304,6 +304,7 @@ 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;
@@ -314,6 +315,7 @@ 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;
@@ -322,6 +324,9 @@ 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;
}