> Move code responsible for backlight device registration to a separate > function in order to simplify error handling and decrease indentation. > Simplify initialization of struct backlight_properties. Use > KBUILD_MODNAME as device name to avoid repeating the same string literal > throughout the module. > > Signed-off-by: Michał Kępień <kernel@xxxxxxxxxx> > --- > drivers/platform/x86/fujitsu-laptop.c | 38 ++++++++++++++++++++--------------- > 1 file changed, 22 insertions(+), 16 deletions(-) > > diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c > index e12cc3504d48..185c929898d9 100644 > --- a/drivers/platform/x86/fujitsu-laptop.c > +++ b/drivers/platform/x86/fujitsu-laptop.c > @@ -685,6 +685,25 @@ static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { > > /* ACPI device for LCD brightness control */ > > +static int fujitsu_backlight_register(void) > +{ > + struct backlight_properties props = { > + .brightness = fujitsu_bl->brightness_level, > + .max_brightness = fujitsu_bl->max_brightness - 1, > + .type = BACKLIGHT_PLATFORM > + }; > + struct backlight_device *bd; > + > + bd = backlight_device_register(KBUILD_MODNAME, NULL, NULL, > + &fujitsu_bl_ops, &props); I have only just now noticed that this effectively breaks userspace interface as KBUILD_MODNAME is "fujitsu_laptop" while the previously used device name was "fujitsu-laptop" (underscore vs. hyphen). Jonathan, as this series is already long overdue, I suggest the following course of action: please review these patches anyway and if you find no other issues, please provide your Reviewed-by etc. as you normally would. Once you do that, I will post v4 which will use "fujitsu-laptop" for backlight device name and will contain your v3 review tags. Does that sound reasonable? -- Best regards, Michał Kępień