On Sun, 12 Feb 2023 13:18:33 +0200 Andy Shevchenko <andy@xxxxxxxxxxxxx> wrote: > On Fri, Feb 10, 2023 at 03:45:15AM +0000, Aditya Garg wrote: > > From: Orlando Chamberlain <orlandoch.dev@xxxxxxxxx> > > > > This driver adds support for the keyboard backlight on Intel T2 Macs > > with internal Magic Keyboards (MacBookPro16,x and MacBookAir9,1) > > ... > > > +#include <linux/hid.h> > > +#include <linux/usb.h> > > Seems lack of some header inclusions, e.g. where struct led_classdev > is defined or -ERRNO codes. > > > +#include "hid-ids.h" > > ... > > > +static void apple_magic_backlight_power_set(struct > > apple_magic_backlight *backlight, > > + char power, char rate) > > char is a beast, can we use u8 here and in similar cases? > > ... > > > + /* Ensure this usb endpoint is for the keyboard backlight, > > not touchbar > > + * backlight. > > + */ > > /* > * Multi-line comment style > * goes like this. > */ > > ... > > > + backlight = devm_kzalloc(&hdev->dev, sizeof(*backlight), > > GFP_KERNEL); > > > + > > Redundant blank line. > > > + if (!backlight) > > + return -ENOMEM; > > ... > > > +static struct hid_driver apple_magic_backlight_hid_driver = { > > + .name = "apple-magic-backlight", > > + .id_table = apple_magic_backlight_hid_ids, > > + .probe = apple_magic_backlight_probe, > > + .remove = apple_magic_backlight_remove, > > +}; > > > + > > Redundant blank line. > > > +module_hid_driver(apple_magic_backlight_hid_driver); > Thanks for pointing out all these, I'll make those changes in v2.