NAME
sambat —
Samsung laptop battery
monitor
SYNOPSIS
sambat* at iic?
DESCRIPTION
The sambat driver provides support for the
embedded controller found in Samsung laptops based on the Qualcomm
Snapdragon X1E80100, such as the Galaxy Book4 Edge. The controller,
identified as “SAM060B” in ACPI, is an ENE KB9058 micro
controller running Samsung firmware, and provides battery and AC adapter
status over the I2C bus using a vendor “Mbox” command
protocol.
Battery values are exposed through the sysctl(8) sensor framework and the apm(8) power management interface.
SEE ALSO
HISTORY
The sambat driver first appeared in
OpenBSD 8.0.
AUTHORS
The sambat driver was written by
Marcus Glocker
<mglocker@openbsd.org>.
BUGS
The AC adapter online status is reported correctly at boot and after the power cable is unplugged, but does not refresh after the cable is plugged back in.