OK, you provided me fair amount of texts to read :) W dniu 15 września 2009 09:43 użytkownik Zhang Rui <rui.zhang@xxxxxxxxx> napisał: > And I think it may work for you as well, i.e. two backlight sysfs I/F > may co-exist, it's the user space to decide which I/F to use. Could you explain, please, how does work Fn+F5 and Fn+F6 in notebooks? I thought it generates some ACPI that kernel identifies as backlight up/down and kernel passes it to module registered with: backlight_device_register(...) is that right? Then two backlight devices would be a problem, I guess? -- Rafał -- 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