Messages in this thread Patch in this message | | | From | Roland Stigge <> | Subject | [PATCH] gpio-lpc32xx: Fix value handling of gpio_direction_output() | Date | Thu, 20 Sep 2012 10:48:03 +0200 |
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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>
--- Applies to v3.6-rc6
drivers/gpio/gpio-lpc32xx.c | 5 +++++ 1 file changed, 5 insertions(+)
--- linux-2.6.orig/drivers/gpio/gpio-lpc32xx.c +++ linux-2.6/drivers/gpio/gpio-lpc32xx.c @@ -308,6 +308,7 @@ static int lpc32xx_gpio_dir_output_p012( { 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(st { 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(st 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; }
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