On Mon, Feb 23, 2015 at 1:53 PM, Mika Westerberg <[email protected]> wrote:
> Zotac ZBOX PI320, a Baytrail based mini-PC, has power button connected to a > GPIO pin and it is exposed to the operating system as Windows 8 button > array. This is implemented in Linux as a driver using gpio_keys. > > However, BIOS on this particula machine forgot to mux the pin to be a GPIO > instead of native function, which results following message to be seen on > the console: > > byt_gpio INT33FC:02: pin 16 cannot be used as GPIO. > > This causes power button to not work as the driver was not able to request > the GPIO it needs. > > So instead of completely preventing this we allow turning the pin as GPIO > but issue warning that something might be wrong. > > Reported-by: Benjamin Adler <[email protected]> > Signed-off-by: Mika Westerberg <[email protected]> Patch applied for fixes. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
