diff options
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/ds2760_battery.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c index ed0ea5e275c5..2d0e5edb4742 100644 --- a/drivers/power/ds2760_battery.c +++ b/drivers/power/ds2760_battery.c @@ -172,8 +172,13 @@ static int ds2760_battery_read_status(struct ds2760_device_info *di) di->full_active_uAh = di->raw[DS2760_ACTIVE_FULL] << 8 | di->raw[DS2760_ACTIVE_FULL + 1]; - scale[0] = di->raw[DS2760_ACTIVE_FULL] << 8 | - di->raw[DS2760_ACTIVE_FULL + 1]; + /* If the full_active_uAh value is not given, fall back to the rated + * capacity. This is likely to happen when chips are not part of the + * battery pack and is therefore not bootstrapped. */ + if (di->full_active_uAh == 0) + di->full_active_uAh = di->rated_capacity / 1000L; + + scale[0] = di->full_active_uAh; for (i = 1; i < 5; i++) scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 2 + i]; |