diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-24 23:57:33 +0400 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2011-02-22 13:02:40 +0300 |
| commit | 3413b4ea250ff0b4142a154a2764e33979957e8b (patch) | |
| tree | b93cc44a5ee6880995f22bdc4601e0143b3f1472 /drivers/power | |
| parent | a2e5118c370e78c3841606e7edc7677c986325fa (diff) | |
| download | linux-3413b4ea250ff0b4142a154a2764e33979957e8b.tar.xz | |
bq27x00: Return -ENODEV for properties if the battery is not present
This patch changes get_property callback of the bq27x00 battery to return
-ENODEV for properties other then the PROP_PRESENT if the battery is not
present.
The power subsystem core expects a driver to behave that way.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/bq27x00_battery.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c index 1b06134e0ae8..9f16666dc466 100644 --- a/drivers/power/bq27x00_battery.c +++ b/drivers/power/bq27x00_battery.c @@ -252,16 +252,21 @@ static int bq27x00_battery_get_property(struct power_supply *psy, { int ret = 0; struct bq27x00_device_info *di = to_bq27x00_device_info(psy); + int voltage = bq27x00_battery_voltage(di); + + if (psp != POWER_SUPPLY_PROP_PRESENT && voltage <= 0) + return -ENODEV; switch (psp) { case POWER_SUPPLY_PROP_STATUS: ret = bq27x00_battery_status(di, val); break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = voltage; + break; case POWER_SUPPLY_PROP_PRESENT: - val->intval = bq27x00_battery_voltage(di); if (psp == POWER_SUPPLY_PROP_PRESENT) - val->intval = val->intval <= 0 ? 0 : 1; + val->intval = voltage <= 0 ? 0 : 1; break; case POWER_SUPPLY_PROP_CURRENT_NOW: val->intval = bq27x00_battery_current(di); |