Revert "gpio: revert get() to non-errorprogating behaviour"
This reverts commit 45ad7db90b42555c8107f18ec6d6a1e9bce34860.
We have fixed all the drivers that were returning ambious values
not clamped to [0,1] or an error code, so return the error
propagating behaviour of the API.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d72ac1f..975a548 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1303,13 +1303,7 @@
chip = desc->chip;
offset = gpio_chip_hwgpio(desc);
value = chip->get ? chip->get(chip, offset) : -EIO;
- /*
- * FIXME: fix all drivers to clamp to [0,1] or return negative,
- * then change this to:
- * value = value < 0 ? value : !!value;
- * so we can properly propagate error codes.
- */
- value = !!value;
+ value = value < 0 ? value : !!value;
trace_gpio_value(desc_to_gpio(desc), 1, value);
return value;
}