On Tue, Jul 14, 2009 at 07:30:07AM -0300, Henrique de Moraes Holschuh wrote: > On Mon, 13 Jul 2009, Matthew Garrett wrote: > > Certain hardware will send us events when the backlight brightness > > changes. Add a function to update the value in the core, and > > additionally send a uevent so that userspace can pop up appropriate > > UI. The uevents are flagged depending on whether the update originated > > in the kernel or from userspace, making it easier to only display UI > > at the appropriate time. > > Any reasons to not do it using poll() support (since sysfs has it)? Or at > least, do both poll and uevents? More code? It doesn't really seem necessary. > Other than that, I like the idea a lot. thinkpad-acpi will use this event > support. Good, that's one of the use-cases I wanted to deal with - but the hotkey mask stuff is complicated enough that I hadn't got round to touching that yet. The combination of this and the ALSA mixer code should get us full notification. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- 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