From: Jonathan Matthew Subject: Re: acpithinkpad: don't unmask brightness events on version 2 machines To: tech@openbsd.org Cc: Lucas Gabriel Vuotto Date: Thu, 22 May 2025 18:51:22 +1000 On Thu, May 22, 2025 at 06:06:48AM +0000, Lucas Gabriel Vuotto wrote: > On Thu, May 22, 2025 at 04:18:37AM +0000, Lucas Gabriel Vuotto wrote: > > Not the same problem, but problems nevertheless. Quoting > > https://marc.info/?l=openbsd-misc&m=168377287112603&w=2 > > > > > Suspend and hibernate works. Lidaction works. Internal mic doesn't work > > > but audio recording does work with a headset. Webcam works. vmm works. > > > > > > Turning down the screen brightness with the keyboard does turn the whole > > > screen black for an instant when getting at low values: > > > > > > display.brightness=100.00% > > > display.brightness=75.39% > > > display.brightness=57.13% > > > display.brightness=42.46% > > > display.brightness=32.14% > > > display.brightness=23.41% > > > display.brightness=17.06% > > > display.brightness=12.30% > > > display.brightness=8.72% > > > display.brightness=5.95% > > > display.brightness=4.76% > > > display.brightness=3.97% # single black screen blink starts here > > > display.brightness=2.77% > > > display.brightness=1.98% > > > display.brightness=0.79% > > > display.brightness=0.00% > > > > That went away with this patch. As a nice side-effect, my screen doesn't > > jump to full brightness the very first time I use any brightness button > > and I have more brightness levels: > > Actually, now my laptop jumps to full brightness everytime I connect or > disconnect the AC. Interesting, mine jumps to very low brightness when I connect or disconnect the AC. I'm not sure where those brightness changes come from.