/proc/acpi/video/
/proc/acpi/video/VID
/proc/acpi/video/VID/DVI2
/proc/acpi/video/VID/DVI2/EDID
<not supported>
/proc/acpi/video/VID/DVI2/brightness
<not supported>
/proc/acpi/video/VID/DVI2/state
state:     0x00
query:     0x00
/proc/acpi/video/VID/DVI2/info
device_id:    0x0302
type:         UNKNOWN
known by bios: no
/proc/acpi/video/VID/DVI1
/proc/acpi/video/VID/DVI1/EDID
<not supported>
/proc/acpi/video/VID/DVI1/brightness
<not supported>
/proc/acpi/video/VID/DVI1/state
state:     0x00
query:     0x00
/proc/acpi/video/VID/DVI1/info
device_id:    0x0301
type:         UNKNOWN
known by bios: no
/proc/acpi/video/VID/DVI0
/proc/acpi/video/VID/DVI0/EDID
<not supported>
/proc/acpi/video/VID/DVI0/brightness
<not supported>
/proc/acpi/video/VID/DVI0/state
state:     0x00
query:     0x00
/proc/acpi/video/VID/DVI0/info
device_id:    0x0300
type:         UNKNOWN
known by bios: no
/proc/acpi/video/VID/CRT0
/proc/acpi/video/VID/CRT0/EDID
<not supported>
/proc/acpi/video/VID/CRT0/brightness
<not supported>
/proc/acpi/video/VID/CRT0/state
state:     0x00
query:     0x00
/proc/acpi/video/VID/CRT0/info
device_id:    0x0100
type:         UNKNOWN
known by bios: no
/proc/acpi/video/VID/LCD0
/proc/acpi/video/VID/LCD0/EDID
<not supported>
/proc/acpi/video/VID/LCD0/brightness
levels:  20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 100
current: 60
/proc/acpi/video/VID/LCD0/state
state:     0x00
query:     0x01
/proc/acpi/video/VID/LCD0/info
device_id:    0x0400
type:         UNKNOWN
known by bios: no
/proc/acpi/video/VID/DOS
DOS setting: <7>
/proc/acpi/video/VID/POST
<not supported>
/proc/acpi/video/VID/POST_info
<not supported>
/proc/acpi/video/VID/ROM
<TODO>
/proc/acpi/video/VID/info
Switching heads:              yes
Video ROM:                    no
Device to be POSTed on boot:  no