[Bug 108826] [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108826

--- Comment #129 from Mark Wynn Garcia <markwynngarcia at outlook.com> ---
Please sanity check this:

https://github.com/torvalds/linux/blob/3601fe43e8164f67a8de3de8e988bfcb3a94af46/include/dt-bindings/gpio/gpio.h#L15

#define GPIO_ACTIVE_LOW 1

https://github.com/torvalds/linux/blob/903b77c631673eeec9e9114e9524171cdf9a2646/include/linux/gpio/consumer.h#L51

#define GPIOD_FLAGS_BIT_DIR_SET         BIT(0)
#define GPIOD_FLAGS_BIT_DIR_OUT BIT(1)

...

        GPIOD_OUT_LOW = GPIOD_FLAGS_BIT_DIR_SET | GPIOD_FLAGS_BIT_DIR_OUT,

so GPIO_ACTIVE_LOW == GPIOD_OUT_LOW !!!(?)

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