https://bugzilla.kernel.org/show_bug.cgi?id=26662
Len Brown <l...@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |l...@kernel.org
Component|BIOS |Power-Battery
AssignedTo|acpi_b...@kernel-bugs.osdl. |acpi_power-battery@kernel-b
|org |ugs.osdl.org
--- Comment #5 from Len Brown <l...@kernel.org> 2011-08-02 04:33:17 ---
Name (BATI, Package (0x0D)
{
0x00,
0x2710,
0x2710,
0x00,
0xFFFFFFFF,
0x03E8,
0x01,
0x64,
0x64,
"",
"",
"LiOn",
"Sony Corp."
})
According to the ACPI spec, _BIF.design_voltage = 0xFFFFFFFF
means "unknown design voltage"
/proc/acpi/battery/*/info:
present: yes
design capacity: 57240 mWh
last full capacity: 56930 mWh
battery technology: non-rechargeable
design voltage: 119940 mV
design capacity warning: 1000 mWh
design capacity low: 1 mWh
cycle count: 0
capacity granularity 1: 100 mWh
capacity granularity 2: 100 mWh
model number:
serial number:
battery type: LiOn
OEM info: Sony Corp.
clearly 119940 mV is bogus -- but it also isn't 0xFFFFFFFF.
acpi_battery_print_info(struct seq_file *seq, int result)
...
if (battery->design_voltage == ACPI_BATTERY_VALUE_UNKNOWN)
seq_printf(seq, "design voltage: unknown\n");
else
seq_printf(seq, "design voltage: %d mV\n",
battery->design_voltage);
So we are not getting 0xFFFFFFFF for design_voltage,
we are getting something that we think is legal.
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