Messages in this thread | | | Date | Fri, 6 Mar 2015 12:20:19 +0100 | Subject | Re: [PATCH 1/4] pinctrl: baytrail: Relax GPIO request rules | From | Linus Walleij <> |
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On Mon, Feb 23, 2015 at 1:53 PM, Mika Westerberg <mika.westerberg@linux.intel.com> 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 <benadler@gmx.net> > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Patch applied for fixes.
Yours, Linus Walleij
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