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authorRoland Stigge <stigge@antcom.de>2012-09-20 10:48:03 +0200
committerBen Hutchings <ben@decadent.org.uk>2012-10-10 03:31:04 +0100
commit247a9ca13ccd0e1cfd81b481e91d365950eaeaaf (patch)
tree86d8f3cac24c1030ff195d6ef44c0f1725caaacb /drivers/gpio
parent9109ae151b6dd96238b595240ac72e537a84d59d (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: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/gpio')
-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 5b6948081f8..2c407760f8b 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -295,6 +295,7 @@ 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;
@@ -305,6 +306,7 @@ 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;
@@ -313,6 +315,9 @@ 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;
}