Date: Fri, 17 Apr 2020 06:26:36 +0000 From: Alexey Dokuchaev <danfe@freebsd.org> To: Colin Percival <cperciva@freebsd.org> Cc: Oliver Pinter <oliver.pntr@gmail.com>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org> Subject: Re: svn commit: r360025 - head/sys/dev/acpica Message-ID: <20200417062636.GC24371@FreeBSD.org> In-Reply-To: <b8a9b1cf-720e-dc42-ccc3-fee0ff584bda@freebsd.org> References: <202004162156.03GLuqgw058432@repo.freebsd.org> <CAPjTQNEFpKXE6QQUdR5dh3eHtmcVXfqOHW9JvdrhtPNrhGN=kA@mail.gmail.com> <b8a9b1cf-720e-dc42-ccc3-fee0ff584bda@freebsd.org>
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On Thu, Apr 16, 2020 at 03:12:15PM -0700, Colin Percival wrote: > On 2020-04-16 15:05, Oliver Pinter wrote: > > On Thursday, April 16, 2020, Colin Percival <cperciva@freebsd.org > > <mailto:cperciva@freebsd.org>> wrote: > > Log: > > Alert devd when acpi_video brightness changes > > > > Please add this to release notes! > > I considered that, but so far I don't have any evidence that other > systems exist with the same half-working ACPI. Unless you're aware of > people who are seeing the same "hw.apci.video.lcd0.brightness changes > but thebacklight doesn't" syndrome? So this is more like a work-around for the problem which lies elsewhere: something is missing in acpi_video(4) or perhaps we need a (nonexistent) acpi_dell(4)? In this case, shouldn't it be disabled by default, or at least be toggable since as you say, evidently just a minority of systems exist with the same half-working ACPI? ./danfe
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