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Commit b1268d37 authored by Roland Stigge's avatar Roland Stigge Committed by Linus Walleij
Browse files

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: default avatarRoland Stigge <stigge@antcom.de>
Acked-by: default avatarAlexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 979570e0

drivers/gpio/gpio-lpc32xx.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

}