@Albert Vilella (#243), thanks for your suggestion but it didn't work. When I try this command in terminal:
echo '\_SB.PCI0.PEGR.GFX0._PS0' > /proc/acpi/call
and then I call:
cat /proc/acpi/call
I get 0x3 back. So I don't get an error but the estimated battery time is the same.
@Albert Vilella (#243), thanks for your suggestion but it didn't work. When I try this command in terminal:
echo '\_SB.PCI0. PEGR.GFX0. _PS0' > /proc/acpi/call
and then I call:
cat /proc/acpi/call
I get 0x3 back. So I don't get an error but the estimated battery time is the same.