From owner-freebsd-hackers@FreeBSD.ORG Sat Oct 18 18:23:23 2014 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4C50AED4 for ; Sat, 18 Oct 2014 18:23:23 +0000 (UTC) Received: from puchar.net (puchar.net [188.252.31.250]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "puchar.net", Issuer "puchar.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id CC262C22 for ; Sat, 18 Oct 2014 18:23:22 +0000 (UTC) Received: Received: from 127.0.0.1 (localhost [127.0.0.1]) by puchar.net (8.14.9/8.14.9) with ESMTP id s9IINDCm047024; Sat, 18 Oct 2014 20:23:13 +0200 (CEST) (envelope-from wojtek@puchar.net) Date: Sat, 18 Oct 2014 20:23:09 +0200 (CEST) From: Wojciech Puchar X-X-Sender: wojtek@laptop To: Henry Hu Subject: Re: help with backlight control and memory In-Reply-To: Message-ID: References: User-Agent: Alpine 2.11 (BSF 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (puchar.net [10.0.1.1]); Sat, 18 Oct 2014 20:23:13 +0200 (CEST) Cc: freebsd-hackers@freebsd.org X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Oct 2014 18:23:23 -0000 > bought new laptop. it's lenovo B590 > > most things works fine. but brightness control keys doesn't work after FreeBSD is loaded. they work before it. > > i don't ask for a solution but any point to start. What should i check? > > > Have you loaded the acpi_video module? What does `sysctl hw.acpi.video` say? no i didn't. but after loading: hw.acpi.reset_video: 0 hw.acpi.video.lcd0.active: 0 hw.acpi.video.lcd0.brightness: 99 hw.acpi.video.lcd0.fullpower: 100 hw.acpi.video.lcd0.economy: 100 hw.acpi.video.lcd0.levels: 100 100 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 dev.acpi_video.%parent: dev.acpi_video.0.%desc: ACPI video extension dev.acpi_video.0.%driver: acpi_video dev.acpi_video.0.%location: dev.acpi_video.0.%pnpinfo: dev.acpi_video.0.%parent: vgapci0 no effect on keys. still doesn't work