General TC > Tiny Core Netbooks

Dell Mini 9

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bmarkus:
Compiling HAL its Dell Backlight feature is optional and requires libsmbios > 0.13.4 according to configure.

Juanito:
That's something I didn't know about - reading up, I also saw this in the tc .config:
--- Code: ---# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set

--- End code ---
..which might influence the use of libsmbios, etc

curaga:
The bios updater certainly doesn't affect this, and I'm 80% sure the SMI part doesn't either. Those two are really enterprise options (remote shutdowns and bios updates).

Juanito:
I compiled libsmbios, which also includes a number of python scripts - one the scripts looks like it could adjust the lcd backlighting, but needs one or other of the dell_rbu/dcdbas modules.

I'll tidy things up and post libsmbios and the modules

Note that on my d430, I can adjust the backlighting with the function keys using both Xvesa and Xorg without doing anything special. Using the function keys does not generate acpi events.

Juanito:
Using the libsmbios extension, you can adjust the backlight like this:
--- Code: ---$ sudo smbios-lcd-brightness --password=xxx -a --value=7
Reading current AC mode setting
    current: 3
        min: 0
        max: 7
Write new AC mode setting
Reading current AC mode setting
    current: 7
        min: 0
        max: 7

--- End code ---
Note that the backlight adjustment cannot be set to "auto" for this to work.
ac = "-a"
battery = "-b"
xxx = bios power-on password

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