grep . /sys/class/backlight/*/*:
--------------------------------
grep: /sys/class/backlight/*/*: No such file or directory



grep . /proc/acpi/video/GFX0/DD03/*:
-------------------------------------
/proc/acpi/video/GFX0/DD03/brightness:<not supported>
/proc/acpi/video/GFX0/DD03/EDID:<not supported>
/proc/acpi/video/GFX0/DD03/info:device_id:    0x0003
/proc/acpi/video/GFX0/DD03/info:type:         UNKNOWN
/proc/acpi/video/GFX0/DD03/info:known by bios: no
/proc/acpi/video/GFX0/DD03/state:state:     0x1d
/proc/acpi/video/GFX0/DD03/state:query:     0x00



grep . /sys/firmware/acpi/interrupts/*:
----------------------------------------
/sys/firmware/acpi/interrupts/error:       0
/sys/firmware/acpi/interrupts/ff_gbl_lock:       0	disabled
/sys/firmware/acpi/interrupts/ff_pmtimer:       0	invalid
/sys/firmware/acpi/interrupts/ff_pwr_btn:       0	enabled
/sys/firmware/acpi/interrupts/ff_rt_clk:       0	disabled
/sys/firmware/acpi/interrupts/ff_slp_btn:       0	invalid
/sys/firmware/acpi/interrupts/gpe00:       0	invalid
/sys/firmware/acpi/interrupts/gpe01:       0	enabled
/sys/firmware/acpi/interrupts/gpe02:       0	enabled
/sys/firmware/acpi/interrupts/gpe03:       0	invalid
/sys/firmware/acpi/interrupts/gpe04:       0	invalid
/sys/firmware/acpi/interrupts/gpe05:       0	invalid
/sys/firmware/acpi/interrupts/gpe06:       0	enabled
/sys/firmware/acpi/interrupts/gpe07:       0	invalid
/sys/firmware/acpi/interrupts/gpe08:       0	invalid
/sys/firmware/acpi/interrupts/gpe09:       0	disabled
/sys/firmware/acpi/interrupts/gpe0A:       0	invalid
/sys/firmware/acpi/interrupts/gpe0B:       0	enabled
/sys/firmware/acpi/interrupts/gpe0C:       0	invalid
/sys/firmware/acpi/interrupts/gpe0D:       0	invalid
/sys/firmware/acpi/interrupts/gpe0E:       0	invalid
/sys/firmware/acpi/interrupts/gpe0F:       0	invalid
/sys/firmware/acpi/interrupts/gpe10:       0	invalid
/sys/firmware/acpi/interrupts/gpe11:       0	invalid
/sys/firmware/acpi/interrupts/gpe12:       0	invalid
/sys/firmware/acpi/interrupts/gpe13:       0	invalid
/sys/firmware/acpi/interrupts/gpe14:       0	invalid
/sys/firmware/acpi/interrupts/gpe15:       0	invalid
/sys/firmware/acpi/interrupts/gpe16:       0	invalid
/sys/firmware/acpi/interrupts/gpe17:   30678	enabled
/sys/firmware/acpi/interrupts/gpe18:       0	enabled
/sys/firmware/acpi/interrupts/gpe19:       0	invalid
/sys/firmware/acpi/interrupts/gpe1A:       0	invalid
/sys/firmware/acpi/interrupts/gpe1B:       0	invalid
/sys/firmware/acpi/interrupts/gpe1C:       0	invalid
/sys/firmware/acpi/interrupts/gpe1D:       0	invalid
/sys/firmware/acpi/interrupts/gpe1E:       0	invalid
/sys/firmware/acpi/interrupts/gpe1F:       0	invalid
/sys/firmware/acpi/interrupts/gpe_all:   30678
/sys/firmware/acpi/interrupts/sci:   30678
/sys/firmware/acpi/interrupts/sci_not:       0