[PATCH 7/7] gpio: viperboard: normalize return value of gpio_get

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

The GPIO get callback is expected to return 0 or 1 (or a negative error
code). Ensure that the value returned by vprbrd_gpiob_get() in the output
case is normalized to the [0, 1] range.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 drivers/gpio/gpio-viperboard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 15e495c109d2..89087fd48a81 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -288,7 +288,7 @@ static int vprbrd_gpiob_get(struct gpio_chip *chip,
 
 	/* if io is set to output, just return the saved value */
 	if (gpio->gpiob_out & (1 << offset))
-		return gpio->gpiob_val & (1 << offset);
+		return !!(gpio->gpiob_val & (1 << offset));
 
 	mutex_lock(&vb->lock);
 
-- 
2.53.0.335.g19a08e0c02-goog