dumb power source, 5v, no usb-pd, connect and disconnect charger

# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# ON BAT  chg=0 mps_flt=00 input=0mV@0mA charge=0mA discharge=0mA p=0.00W ttempty=85min
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [pd] PD_STATE_UNATTACHED -> SNK CC2, going to PD_STATE_UNATTACHED_SNK
[pd] PD_STATE_UNATTACHED_SNK measure=0x47
# [pd] state PD_STATE_UNATTACHED_SNK VBUS is now OK
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# ON AC  chg=2 mps_flt=00 input=4500mV@656mA charge=0mA discharge=500mA p=5.75W ttempty=105min
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [pd] PD_STATE_ATTACHED_SNK timeout while handshaking, sending soft reset
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [pd] PD_STATE_ATTACHED_SNK timeout while handshaking, reset
# [pd] PD_STATE_SETUP
# [pd] PD_STATE_SETUP done, going to PD_STATE_UNATTACHED
# [pd] PD_STATE_UNATTACHED -> SNK CC2, going to PD_STATE_UNATTACHED_SNK
[pd] PD_STATE_UNATTACHED_SNK measure=0x47
# [pd] state PD_STATE_UNATTACHED_SNK VBUS is now OK
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# ON AC  chg=2 mps_flt=00 input=4475mV@668mA charge=0mA discharge=550mA p=5.88W ttempty=138min
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [pd] state PD_STATE_ATTACHED_SNK VBUS went away
# [pd] PD_STATE_SETUP
# [pd] PD_STATE_SETUP done, going to PD_STATE_UNATTACHED
# [keyboard] exec: c 65535
# ON BAT  chg=0 mps_flt=00 input=0mV@0mA charge=0mA discharge=0mA p=0.00W ttempty=144min
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# ON BAT  chg=0 mps_flt=00 input=0mV@0mA charge=0mA discharge=0mA p=0.00W ttempty=103min
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535
# [keyboard] exec: c 65535