You are correct, this is supposed to be handled by ACPI. However, this has yet to be implemented in Linux's ACPI support. Check back in 6 months. :) Regards -- Andy > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, January 24, 2001 2:52 PM > To: Mark Smith > Cc: Steven Ellmore; Steve Underwood; [EMAIL PROTECTED] > Subject: Re: Probably Off-topic Question... > Importance: High > > > On Wed, Jan 24, 2001 at 05:38:54PM -0500, Mark Smith wrote: > > On Wed, Jan 24, 2001 at 07:40:14PM +0000, Steven Ellmore wrote: > > > My VAIO Z505HS brightness control works under Linux. > > > > > > Shift + Fn + Brightness (F5) dims > > > Fn + Brightness brightens > [...] > > none of these things change my brightness one way or the other. > > in particular, which part of the OS would be responsible for > > watching these keystrokes and making the appropriate changes? > > With the Z505H/J series, this is handled entirely by the BIOS > and the OS has > no part of it. I'm not sure about the L's, but they're > otherwise fairly > similar to the H/J's. (I have absolutely no idea about other > lines like the > picturebooks, of course, as the different lines from Sony are > effectively > completely unrelated.) > > > others have told me about this keystroke. someone had suggested > > that this works differently on my system because i have a newer > > bios? > > This is possible. I don't know why they would change this, > unless it was some > requirement of propertly integrating the newer Windows > versions, which is > possible. In this case, my guess is that it's probably > exposed via ACPI or > something similar. Any ACPI folks got thoughts on this as a > possibility (and > how one might find out)? I have to admit I haven't played > with it much. > > -alex > - > To unsubscribe from this list: send the line "unsubscribe > linux-kernel" in > the body of a message to [EMAIL PROTECTED] > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/