drv:gn412x_gpio: fix direction get/set

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

drv:gn412x_gpio: fix direction get/set
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
7b3d1da4 · Federico Vaga · bcfc4f6d · 7b3d1da4
Commit 7b3d1da4 authored Jun 06, 2019 by Federico Vaga
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Showing with 3 additions and 1 deletion

gn412x-gpio.c kernel/gn412x-gpio.c +3 -1

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--- a/kernel/gn412x-gpio.c
+++ b/kernel/gn412x-gpio.c
@@ -72,12 +72,13 @@ static void gn412x_gpio_free(struct gpio_chip *chip, unsigned offset)
 static int gn412x_gpio_get_direction(struct gpio_chip *chip,
 				     unsigned offset)
 {
-	return !gn412x_gpio_reg_read(chip, GNGPIO_OUTPUT_ENABLE, offset);
+	return !gn412x_gpio_reg_read(chip, GNGPIO_DIRECTION_MODE, offset);
 }

 static int gn412x_gpio_direction_input(struct gpio_chip *chip,
 				       unsigned offset)
 {
+	gn412x_gpio_reg_write(chip, GNGPIO_DIRECTION_MODE, offset, 1);
 	gn412x_gpio_reg_write(chip, GNGPIO_OUTPUT_ENABLE, offset, 0);

 	return 0;
@@ -86,6 +87,7 @@ static int gn412x_gpio_direction_input(struct gpio_chip *chip,
 static int gn412x_gpio_direction_output(struct gpio_chip *chip,
 					unsigned offset, int value)
 {
+	gn412x_gpio_reg_write(chip, GNGPIO_DIRECTION_MODE, offset, 0);
 	gn412x_gpio_reg_write(chip, GNGPIO_OUTPUT_ENABLE, offset, 1);
 	gn412x_gpio_reg_write(chip, GNGPIO_OUTPUT_VALUE, offset, value);