diff options
| -rw-r--r-- | drivers/acpi/battery.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 95649d373071..9fb9d5ac939d 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c | |||
| @@ -130,6 +130,8 @@ struct acpi_battery { | |||
| 130 | unsigned long flags; | 130 | unsigned long flags; |
| 131 | }; | 131 | }; |
| 132 | 132 | ||
| 133 | static int acpi_battery_update(struct acpi_battery *battery); | ||
| 134 | |||
| 133 | #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat); | 135 | #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat); |
| 134 | 136 | ||
| 135 | inline int acpi_battery_present(struct acpi_battery *battery) | 137 | inline int acpi_battery_present(struct acpi_battery *battery) |
| @@ -184,6 +186,9 @@ static int acpi_battery_get_property(struct power_supply *psy, | |||
| 184 | int ret = 0; | 186 | int ret = 0; |
| 185 | struct acpi_battery *battery = to_acpi_battery(psy); | 187 | struct acpi_battery *battery = to_acpi_battery(psy); |
| 186 | 188 | ||
| 189 | if (acpi_battery_update(battery)) | ||
| 190 | return -ENODEV; | ||
| 191 | |||
| 187 | if (acpi_battery_present(battery)) { | 192 | if (acpi_battery_present(battery)) { |
| 188 | /* run battery update only if it is present */ | 193 | /* run battery update only if it is present */ |
| 189 | acpi_battery_get_state(battery); | 194 | acpi_battery_get_state(battery); |
