it's ending with this error during the compile. Says:
error: implicit declaration of function ‘acpi_video_set_dmi_backlight_type’
DKMS make.log for faustus-0.2 for kernel 6.1.7-arch1-1 (x86_64)
Tue Jan 24 12:52:08 PM EET 2023
make[1]: Entering directory '/usr/lib/modules/6.1.7-arch1-1/build'
CC [M] /var/lib/dkms/faustus/0.2/build/src/faustus.o
/var/lib/dkms/faustus/0.2/build/src/faustus.c: In function ‘asus_wmi_add’:
/var/lib/dkms/faustus/0.2/build/src/faustus.c:3111:17: error: implicit declaration of function ‘acpi_video_set_dmi_backlight_type’; did you mean ‘acpi_video_get_backlight_type’? [-Werror=implicit-function-declaration]
3111 | acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| acpi_video_get_backlight_type
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:250: /var/lib/dkms/faustus/0.2/build/src/faustus.o] Error 1
make[1]: *** [Makefile:1992: /var/lib/dkms/faustus/0.2/build] Error 2
make[1]: Leaving directory '/usr/lib/modules/6.1.7-arch1-1/build'