Date: Sat, 18 Oct 2014 20:23:09 +0200 (CEST) From: Wojciech Puchar <wojtek@puchar.net> To: Henry Hu <henry.hu.sh@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: help with backlight control and memory Message-ID: <alpine.BSF.2.11.1410182022110.747@laptop> In-Reply-To: <CAEJt7hYJ_Dy9bLPbzEH6WCKPGO9p7rs9dM4y%2BxhGg-MDC4oduw@mail.gmail.com> References: <alpine.BSF.2.11.1410161415440.39168@laptop> <CAEJt7hYJ_Dy9bLPbzEH6WCKPGO9p7rs9dM4y%2BxhGg-MDC4oduw@mail.gmail.com>
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> 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
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