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path: root/drivers/gpio/gpio-mmio.c
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Diffstat (limited to 'drivers/gpio/gpio-mmio.c')
-rw-r--r--drivers/gpio/gpio-mmio.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-mmio.c b/drivers/gpio/gpio-mmio.c
index 6f904c874678..cd07c948649f 100644
--- a/drivers/gpio/gpio-mmio.c
+++ b/drivers/gpio/gpio-mmio.c
@@ -370,15 +370,24 @@ static int bgpio_dir_in(struct gpio_chip *gc, unsigned int gpio)
static int bgpio_get_dir(struct gpio_chip *gc, unsigned int gpio)
{
/* Return 0 if output, 1 if input */
- if (gc->bgpio_dir_unreadable)
- return !(gc->bgpio_dir & bgpio_line2mask(gc, gpio));
- if (gc->reg_dir_out)
- return !(gc->read_reg(gc->reg_dir_out) & bgpio_line2mask(gc, gpio));
+ if (gc->bgpio_dir_unreadable) {
+ if (gc->bgpio_dir & bgpio_line2mask(gc, gpio))
+ return GPIO_LINE_DIRECTION_OUT;
+ return GPIO_LINE_DIRECTION_IN;
+ }
+
+ if (gc->reg_dir_out) {
+ if (gc->read_reg(gc->reg_dir_out) & bgpio_line2mask(gc, gpio))
+ return GPIO_LINE_DIRECTION_OUT;
+ return GPIO_LINE_DIRECTION_IN;
+ }
+
if (gc->reg_dir_in)
- return !!(gc->read_reg(gc->reg_dir_in) & bgpio_line2mask(gc, gpio));
+ if (!(gc->read_reg(gc->reg_dir_in) & bgpio_line2mask(gc, gpio)))
+ return GPIO_LINE_DIRECTION_OUT;
/* This should not happen */
- return 1;
+ return GPIO_LINE_DIRECTION_IN;
}
static int bgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)