Unlike Linux the generic driver get function returns the masked register
content and not the 0 or 1 value. The consequence is that gpio_get_value
returns for instance 0x10 for bit 4 instead of 1.
Use the Linux normalized form instead.
Signed-off-by: Renaud Barbier <renaud.barbier@xxxxxxxxx>
---
drivers/gpio/gpio-generic.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index e4c4f39..2e0dad9 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -62,7 +62,7 @@ static int bgpio_get(struct gpio_chip *gc, unsigned int gpio)
{
struct bgpio_chip *bgc = to_bgpio_chip(gc);
- return bgc->read_reg(bgc->reg_dat) & bgc->pin2mask(bgc, gpio);
+ return !!(bgc->read_reg(bgc->reg_dat) & bgc->pin2mask(bgc, gpio));
}
static void bgpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
--
1.7.1
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