From nobody Tue Jan 31 13:24:43 2023 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4P5m4F4Bmwz3cW4n for ; Tue, 31 Jan 2023 13:24:45 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4P5m4F3DHnz3l48 for ; Tue, 31 Jan 2023 13:24:45 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Authentication-Results: mx1.freebsd.org; none Received: from critter.freebsd.dk (unknown [192.168.55.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by phk.freebsd.dk (Postfix) with ESMTPS id C1C448929A; Tue, 31 Jan 2023 13:24:43 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.17.1/8.16.1) with ESMTPS id 30VDOhKU024327 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 31 Jan 2023 13:24:43 GMT (envelope-from phk@critter.freebsd.dk) Received: (from phk@localhost) by critter.freebsd.dk (8.17.1/8.16.1/Submit) id 30VDOhS9024326; Tue, 31 Jan 2023 13:24:43 GMT (envelope-from phk) Message-Id: <202301311324.30VDOhS9024326@critter.freebsd.dk> To: Emmanuel Vadot cc: Oleksandr Kryvulia , freebsd-current@freebsd.org Subject: Re: Could not change brightness anymore with i915kms & acpi_video modules c 202211 In-reply-to: <20230131142055.aa32f00d89d286053513348d@bidouilliste.com> From: "Poul-Henning Kamp" References: <6a997703-6f13-716d-d38d-1a2b910d52ec@shurik.kiev.ua> <202301311233.30VCX2qX079924@critter.freebsd.dk> <20230131135526.a3e96ee0ac8479521a99514b@bidouilliste.com> <202301311309.30VD9djG010472@critter.freebsd.dk> <20230131142055.aa32f00d89d286053513348d@bidouilliste.com> List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <24324.1675171483.1@critter.freebsd.dk> Date: Tue, 31 Jan 2023 13:24:43 +0000 X-Rspamd-Queue-Id: 4P5m4F3DHnz3l48 X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:1835, ipnet:130.225.0.0/16, country:EU] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N -------- 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.