On Wed, Jun 07, 2023 at 11:43:31AM +0800, AceLan Kao wrote: > From: "Chia-Lin Kao (AceLan)" <acelan.kao@xxxxxxxxxxxxx> > > dell_laptop is somethines loaded before nvidia driver, causing it to > create its own backlight interface before native backlight is set. > This results in the presence of 2 backlight interfaces in sysfs and > leads to the backlight can't be adjusted. It seems like this approach would still be broken if the nvidia module isn't available at the time the dell module is loaded?