On Wed, May 06, 2020 at 06:51:21PM +0900, rgc wrote:
> macppc.html shows i can do this via "wsconsctl -w XXX".
> ** note that wsconsctl doesn't have a "-w" option so macppc.html might need
> to be updated **

sent a patch to remove the "-w" in the HTML file
wsconsctl code show the "w" option is for compatibility use and does
really nothing.

> brightness setting still works via ADB keyboard on my PowerBook6,7 (iBook G4)
> but setting display.brightness from command line does nothing on this device
> and on another device (PowerBook G4). both are radeondrm

perusing the code ... it seems setting the brightness is only possible on
vgafb.

~ rgc

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