acpi-support is not involved in brightness hotkeys on the Vaios; and as you say the OSD works, it's clearly not a problem with registration of the hotkey anyway. This is a problem with the backlight control, which I believe is primarily handled by the X server; reassigning.
acpi-support is not involved in brightness hotkeys on the Vaios; and as you say the OSD works, it's clearly not a problem with registration of the hotkey anyway. This is a problem with the backlight control, which I believe is primarily handled by the X server; reassigning.