From ba74bd5d5b5b063d50891af16d5c14c29bcc52a6 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 3 Sep 2018 10:04:01 +0200 Subject: [PATCH] gpio: twl6040: Implement .get_direction() The gpiolib cannot deduce the fact that every line is output by itself, implement a .get_direction() callback so we can inspect this. Acked-by: Tony Lindgren Signed-off-by: Linus Walleij --- drivers/gpio/gpio-twl6040.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpio/gpio-twl6040.c b/drivers/gpio/gpio-twl6040.c index 77d50542bf61..c845b2ff1f43 100644 --- a/drivers/gpio/gpio-twl6040.c +++ b/drivers/gpio/gpio-twl6040.c @@ -32,6 +32,12 @@ static int twl6040gpo_get(struct gpio_chip *chip, unsigned offset) return !!(ret & BIT(offset)); } +static int twl6040gpo_get_direction(struct gpio_chip *chip, unsigned offset) +{ + /* This means "out" */ + return 0; +} + static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned offset, int value) { @@ -62,6 +68,7 @@ static struct gpio_chip twl6040gpo_chip = { .owner = THIS_MODULE, .get = twl6040gpo_get, .direction_output = twl6040gpo_direction_out, + .get_direction = twl6040gpo_get_direction, .set = twl6040gpo_set, .can_sleep = true, };