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linux: Work-around broken battery on the Onda v975w

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Until https://bugzilla.kernel.org/show_bug.cgi?id=83941 is fixed,
this allow to have a bit more information than "0% battery" displayed in
the UI.

https://bugs.freedesktop.org/show_bug.cgi?id=90214
This commit is contained in:
Bastien Nocera 2015-04-28 13:17:22 +02:00
parent abaf635ce4
commit 31b2b8ec78
2 changed files with 45 additions and 3 deletions
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27
src/linux/integration-test
View file

@ -802,6 +802,33 @@ class Tests(unittest.TestCase):
self.assertEqual(self.get_dbus_display_property('WarningLevel'), UP_DEVICE_LEVEL_NONE)
self.stop_daemon()
def test_broken_onda_battery(self):
'''Onda v975w battery: https://bugzilla.kernel.org/show_bug.cgi?id=83941'''
batc = self.testbed.add_device('power_supply', 'BATC', None,
['type', 'Battery',
'capacity', '0',
'capacity_level', 'Normal',
'present', '1',
'energy_full', '0',
'energy_full_design', '0',
'energy_now', '5549000',
'power_now', '97000',
'voltage_now', '3970000'], [])
self.start_daemon()
devs = self.proxy.EnumerateDevices()
self.assertEqual(len(devs), 1)
batc_up = devs[0]
self.assertEqual(self.get_dbus_dev_property(batc_up, 'Percentage'), 100.0)
self.testbed.set_attribute(batc, 'energy_now', '2774500')
time.sleep(5)
self.assertEqual(int(self.get_dbus_dev_property(batc_up, 'Percentage')), 50)
self.stop_daemon()
#
# libupower-glib tests (through introspection)
#

21
src/linux/up-device-supply.c
View file

@ -584,6 +584,16 @@ up_device_supply_refresh_battery (UpDeviceSupply *supply,
supply->priv->coldplug_units = UP_DEVICE_SUPPLY_COLDPLUG_UNITS_CHARGE;
}
/* Fix broken batteries without energy-full information */
if (energy_full < 0.01 && energy_full_design < 0.01) {
gdouble old_energy_full_design;
g_object_get (device, "energy-full-design", &old_energy_full_design, NULL);
energy_full_design = MAX(old_energy_full_design, energy);
/* Make following warning quiet */
energy_full = energy_full_design;
}
/* the last full should not be bigger than the design */
if (energy_full > energy_full_design)
g_warning ("energy_full (%f) is greater than energy_full_design (%f)",
@ -679,9 +689,14 @@ up_device_supply_refresh_battery (UpDeviceSupply *supply,
if (sysfs_file_exists (native_path, "capacity")) {
percentage = sysfs_get_double (native_path, "capacity");
percentage = CLAMP(percentage, 0.0f, 100.0f);
/* for devices which provide capacity, but not {energy,charge}_now */
if (energy < 0.1f && energy_full > 0.0f)
energy = energy_full * percentage / 100;
/* for devices which provide capacity, but not {energy,charge}_now */
if (energy < 0.1f && energy_full > 0.0f) {
energy = energy_full * percentage / 100;
} else if (energy > 0.0f && percentage < 0.01) {
/* capacity isn't set but present */
percentage = 100.0 * energy / energy_full;
percentage = CLAMP(percentage, 0.0f, 100.0f);
}
} else if (energy_full > 0.0f) {
percentage = 100.0 * energy / energy_full;
percentage = CLAMP(percentage, 0.0f, 100.0f);