Date: Sat, 31 Jan 2004 06:54:42 -0500 From: Donn Miller <dmmiller@cvzoom.net> To: Taku YAMAMOTO <taku@cent.saitama-u.ac.jp> Cc: current@freebsd.org Subject: Re: API to turn off the display Message-ID: <401B9782.2000401@cvzoom.net> In-Reply-To: <bv98da$2foo$1@FreeBSD.csie.NCTU.edu.tw> References: <bv98da$2foo$1@FreeBSD.csie.NCTU.edu.tw>
next in thread | previous in thread | raw e-mail | index | archive | help
Taku YAMAMOTO wrote: > I wrote a driver that handles what John told. > > http://access.cent.saitama-u.ac.jp/~taku/freebsd/acpi_vid-20031013.tar.gz > MD5 (acpi_vid-20031013.tar.gz) = adbfa6931e505544fb784e00c7b974e7 > > This driver uses ACPI video extension to control display switching and > backlight brightness. So working ACPI is a requisition for this driver. > > Whether it does or does not work depends heavily on how well the BIOS written, > however, I hope it worth trying. > > Suggestions, working/not-working reports etc are very appreciated. I tried it. kldstat Id Refs Address Size Name 1 19 0xc0400000 3ac910 kernel 2 1 0xc07ad000 5e60 vesa.ko 3 1 0xc07b3000 cffc if_dc.ko 4 2 0xc07c0000 1a9c8 miibus.ko 5 1 0xc07db000 9380 snd_maestro3.ko 6 2 0xc07e5000 1f5c8 snd_pcm.ko 7 2 0xc0805000 50f60 acpi.ko 8 1 0xc2cc7000 b000 ntfs.ko 9 1 0xc2d4b000 2000 apm_saver.ko 10 1 0xc2f55000 19000 linux.ko 11 1 0xc3133000 4000 acpi_vid.ko sysctl hw.acpi.video sysctl: unknown oid 'hw.acpi.video' It doesn't detect the video at all on my laptop, i.e., I get no output from dmest or the kernel that anything was detected. dmesg | grep -i vesa Preloaded elf module "/boot/kernel/vesa.ko" at 0xc08571f4. VESA: v2.0, 8192k memory, flags:0x0, mode table:0xc07b1ce2 (1000022) VESA: S3 Incorporated. M7 BIOS The laptop is an HP Pavilion N5440.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?401B9782.2000401>