[ltp] tpacpi bug in tpacpi::thinklight/brightness for X1 Carbon

[Chris Schumann]

On 01/01/2014 08:36 AM, Evgeni Golov wrote:
> On 01/01/2014 03:22 PM, Chris Schumann wrote:
>>> If it still does in your kernel, echo "0x0e" > /proc/acpi/ibm/cmos
>>> might be useful.  Other interesting cmos commands might be 0x0b to 0x0d.
>> Not so useful:
>> $ sudo echo "0x0e" > /proc/acpi/ibm/cmos
>> bash: /proc/acpi/ibm/cmos: Permission denied
> use either 'echo "0x0e" | sudo tee /proc/acpi/ibm/cmos'
> or become root via 'sudo su -' and do the echo .. > .. then.
$ echo "0x0e" | sudo tee /proc/acpi/ibm/cmos
0x0e

Helpful?