Re: Could not change brightness anymore with i915kms & acpi_video modules c 202211

In reply to: Emmanuel Vadot : "Re: Could not change brightness anymore with i915kms & acpi_video modules c 202211"
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From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Tue, 31 Jan 2023 13:24:43 UTC

--------
Emmanuel Vadot writes:

>  What does backlight reports after you've unplugged the AC adaptor ?

I cant make that experiment right now, I also ethernet through that
connector, but I'll do it later today.

But speaking of what backlight reports:

	critter phk> backlight
	brightness: 0
	critter phk> backlight 10
	critter phk> backlight
	brightness: 9
	critter phk> backlight 20
	critter phk> backlight
	brightness: 19
	critter phk> backlight 30
	critter phk> backlight
	brightness: 29

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.