Dear Ishikawa-san, dear Mattia, dear all, On Fr, 17 Okt 2008, ISHIKAWA Hutsumi wrote >> echoing anything between 0 and 7 to /sys/class/backlight/sony/brightness >> also does nothing. Same with xbacklight. > > They are 2 different problems, here. > > 1) Fn key handling don't work > > Fn key handling by sony-laptop driver does not work on VGN-Z. > > Fn key or Fn key + some other function key press does not rise > evdev and acpi event on this machine. Some work will be needed... Ok, I guess Mattia is listening. Here is my DSDT: http://www.logic.at/people/preining/sony/vgn-z11vn/DSDT.dsl If I can help test something just let me know. > 2) backlight control don't work > > Backlight control on VAIO will be handled by Sony NC driver in > sony-acpi. VGN-Z* have Sony NC device [1], but SNC driver will not > enable it. > > > Backlight control without enabled SNC will not work via both > ACPI backlight(/sys/class/backlight/acpi_video0/brightness) and > sony-acpi backlight(/sys/class/backlight/sony/brightness) > > > Entry for VGN-Z* series should be added in sony_nc_ids table > of sony-laptop.c, patch bellow. > > With SNC enabled, it works via /sys/class/backlight/sony/brightness. I have added this patch to my kernel and rebuilt the kernel, but still setting via echo n > /sys/class/backlight/sony/brightness does not work (well, it changes the value there, but not the brightness). Do I have to disable ACPI-VIDEO for this, too? Best wishes Norbert ------------------------------------------------------------------------------- Dr. Norbert Preining <preining@xxxxxxxx> Vienna University of Technology Debian Developer <preining@xxxxxxxxxx> Debian TeX Group gpg DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------------- GIPPING (participial vb.) The fish-like opening and closing of the jaws seen amongst people who have recently been to the dentist and are puzzled as to whether their teeth have been put back the right way up. --- Douglas Adams, The Meaning of Liff -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
