On Tue, Jul 14, 2009 at 08:58:48AM +0800, ykzhao wrote: > It will be better to send the event to user space only when the > brightness is updated successfully. That guarantees that we have to read back the brightness, which may be expensive on some hardware. > It seems that the acpi video driver will send the ACPI event to user > space when updating the brightness. > Is it necessary to send the udev-event again? Yes. There's no reason to special-case the ACPI driver. -- 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
