It is a new laptop with a fresh install, so I never had the chance to test it with an older kernel version.
I did as you suggested test with the lastest 4.2 upstream kernel, unfortunately without success:
AC connected:
sebastian@bnasws02[0r/0s]:~
$ acpitool -a -B
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 0 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : online
sebastian@bnasws02[0r/0s]:~
AC disconnected:
$ acpitool -a -B
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%, 07:01:34
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 7543 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : off-line
sebastian@bnasws02[0r/0s]:~
AC connected:
$ acpitool -a -B
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%, 13:32:38
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 3913 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : online
It is a new laptop with a fresh install, so I never had the chance to test it with an older kernel version.
I did as you suggested test with the lastest 4.2 upstream kernel, unfortunately without success:
AC connected:
sebastian@ bnasws02[ 0r/0s]: ~ bnasws02[ 0r/0s]: ~
$ acpitool -a -B
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 0 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : online
sebastian@
AC disconnected:
$ acpitool -a -B bnasws02[ 0r/0s]: ~
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%, 07:01:34
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 7543 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : off-line
sebastian@
AC connected:
$ acpitool -a -B
Battery #1 : present
Remaining capacity : 52998 mWh, 98.80%, 13:32:38
Design capacity : 56041 mWh
Last full capacity : 53643 mWh, 95.72% of design capacity
Capacity loss : 4.279%
Present rate : 3913 mW
Charging state : Discharging
Battery type : Li-ion
Model number : ASUS
AC adapter : online