Re: [PATCH v3] apple-gmux: preserve brightness using EFI

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From: Atharva Tiwari

Date: Sun Mar 15 2026 - 18:05:47 EST

> ... but /sys/class/backlight/gmux_backlight/brightness contains the
> value 110400 (0x1af40), which obviously exceeds USHRT_MAX. So I'm not

How did this even happen?, AFIK the brightness value uses gmux_get_brightness
and that masks the value with 0xFFFF so this should be impossible?