gpio: altera_pio: fix get_value

gpio_get_value should return 0 or 1, not the value of bit & (1 << pin)

Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Julien Beraud <julien.beraud@orolia.com>

diff --git a/drivers/gpio/altera_pio.c b/drivers/gpio/altera_pio.c
index 59e30979f0be117a47a60d84fbfcfe186302c8cd..324f9c29a82e5ba914ecbbb84825bc43d49c3735 100644 (file)
--- a/drivers/gpio/altera_pio.c
+++ b/drivers/gpio/altera_pio.c
@@ -56,7 +56,7 @@ static int altera_pio_get_value(struct udevice *dev, unsigned pin)
        struct altera_pio_platdata *plat = dev_get_platdata(dev);
        struct altera_pio_regs *const regs = plat->regs;
 
-       return readl(&regs->data) & (1 << pin);
+       return !!(readl(&regs->data) & (1 << pin));
 }