A possible patch from bugzilla.kernel.org suggested to update the battery driver with code below. Would someone know where to find and update these files? Thanks.
https://bugzilla.kernel.org/show_bug.cgi?id=56741#c6 Hi, the bios acpi table doesn't provide actual voltage_now int _BST method of DSDT and give the value of 0xffffffff back. So battery driver return nodev error. Please try the following patch. It assign design_voltage to voltage_now. diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index f223018..0a80522 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -521,6 +521,7 @@ static int acpi_battery_get_state(struct acpi_battery *battery) battery->capacity_now = battery->capacity_now * 10000 / battery->design_voltage; } + battery->voltage_now = battery->design_voltage; return result; } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1169727 Title: Battery charging at zero rate - will never fully charge To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1169727/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
