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authorRoland Stigge <stigge@antcom.de>2012-09-20 10:48:03 +0200
committerLinus Walleij <linus.walleij@linaro.org>2012-09-24 21:56:01 +0200
commitb1268d3737c6316016026245eef276eda6b0a621 (patch)
treec17259de86df66a8e2a257253937da9df8d44963 /drivers/gpio
parent979570e02981d4a8fc20b3cc8fd651856c98ee9d (diff)
downloadlinux-b1268d3737c6316016026245eef276eda6b0a621.tar.bz2
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>
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 8a420f13905e..ed94b4ea72e9 100644
--- 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;
}