Commit 62e08f25 authored by Aaron Sierra's avatar Aaron Sierra Committed by Linus Walleij
Browse files

gpio: ich: Implement get_direction function 



Allow the kernel to query the driver for a GPIO's pin direction.

Signed-off-by: default avatarAaron Sierra <asierra@xes-inc.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent afeb7b45

drivers/gpio/gpio-ich.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -173,6 +173,11 @@ static bool ichx_gpio_check_available(struct gpio_chip *gpio, unsigned nr) 
	return !!(ichx_priv.use_gpio & (1 << (nr / 32)));

	return !!(ichx_priv.use_gpio & (1 << (nr / 32)));

}

}





static int ichx_gpio_get_direction(struct gpio_chip *gpio, unsigned nr)

{

	return ichx_read_bit(GPIO_IO_SEL, nr) ? GPIOF_DIR_IN : GPIOF_DIR_OUT;

}



static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)

static int ichx_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)

{

{

	/*

	/*
@@ -286,6 +291,7 @@ static void ichx_gpiolib_setup(struct gpio_chip *chip) 
		ichx_priv.desc->get : ichx_gpio_get;

		ichx_priv.desc->get : ichx_gpio_get;





	chip->set = ichx_gpio_set;

	chip->set = ichx_gpio_set;

	chip->get_direction = ichx_gpio_get_direction;

	chip->direction_input = ichx_gpio_direction_input;

	chip->direction_input = ichx_gpio_direction_input;

	chip->direction_output = ichx_gpio_direction_output;

	chip->direction_output = ichx_gpio_direction_output;

	chip->base = modparam_gpiobase;

	chip->base = modparam_gpiobase;