On Thu, 13 Nov 2025 at 22:09:09 -0500, Bryan Steele wrote:
> On Thu, Nov 13, 2025 at 08:15:16PM -0600, joshua stein wrote:
> > This moves aplhidev out of arch/arm64 and into dev/spi, adds 
> > attachment via ACPI through ispi, enables it on amd64, and adds 
> > support for adjusting keyboard backlight through 'wsconsctl 
> > keyboard.backlight'.
> > 
> > Tested on a 2017 MacBook 12".  Hopefully it didn't break anything on 
> > Apple M* arm64 laptops and I'm curious if the keyboard backlight 
> > support also works there.
> 
> 
> I haven't tested your diff, but at least on Apple M1 there is are
> seperate pwm(4)/pwmled(4) drivers that handle the keyboard backlight
> which this may conflict with.

Ah, ok.  I'll make the keyboard backlight stuff only take over on 
the !fdt attachment.