| Message ID | 1450795781-28534-1-git-send-email-linus.walleij@linaro.org |
|---|---|
| State | Accepted |
| Commit | 13e676be085341c1161c3daf535e98ec6d5d6e3c |
| Headers | show |
diff --git a/drivers/video/fbdev/via/via-gpio.c b/drivers/video/fbdev/via/via-gpio.c index 6f433b8cee12..3d3544036bc1 100644 --- a/drivers/video/fbdev/via/via-gpio.c +++ b/drivers/video/fbdev/via/via-gpio.c @@ -142,7 +142,7 @@ static int via_gpio_get(struct gpio_chip *chip, unsigned int nr) gpio = cfg->active_gpios[nr]; reg = via_read_reg(VIASR, gpio->vg_port_index); spin_unlock_irqrestore(&cfg->vdev->reg_lock, flags); - return reg & (0x04 << gpio->vg_mask_shift); + return !!(reg & (0x04 << gpio->vg_mask_shift)); }
As we want gpio_chip .get() calls to be able to return negative error codes and propagate to drivers, we need to go over all drivers and make sure their return values are clamped to [0,1]. We do this by using the ret = !!(val) design pattern. Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- Tomi: as mentioned in 00/54: either apply this directly or ACK it and I will take it into the GPIO tree. --- drivers/video/fbdev/via/via-gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html