summaryrefslogtreecommitdiffstats
path: root/drivers/power/ds2760_battery.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/power/ds2760_battery.c')
-rw-r--r--drivers/power/ds2760_battery.c9
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];