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Subject[PATCH] sbs-battery: fix power status when battery is dry
Date
When the battery is dry and BATTERY_FULL_DISCHARGED is set,
we should check BATTERY_DISCHARGING to decide the power status.
If BATTERY_DISCHARGING is set, the power status is not charging.
Or the power status should be charging.

Signed-off-by: YH Huang <yh.huang@mediatek.com>
---
drivers/power/sbs-battery.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/power/sbs-battery.c b/drivers/power/sbs-battery.c
index d6226d6..d86db0e 100644
--- a/drivers/power/sbs-battery.c
+++ b/drivers/power/sbs-battery.c
@@ -382,11 +382,12 @@ static int sbs_get_battery_property(struct i2c_client *client,

if (ret & BATTERY_FULL_CHARGED)
val->intval = POWER_SUPPLY_STATUS_FULL;
- else if (ret & BATTERY_FULL_DISCHARGED)
- val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
- else if (ret & BATTERY_DISCHARGING)
- val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
- else
+ else if (ret & BATTERY_DISCHARGING) {
+ if (ret & BATTERY_FULL_DISCHARGED)
+ val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ else
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ } else
val->intval = POWER_SUPPLY_STATUS_CHARGING;

if (chip->poll_time == 0)
@@ -702,11 +703,12 @@ static void sbs_delayed_work(struct work_struct *work)

if (ret & BATTERY_FULL_CHARGED)
ret = POWER_SUPPLY_STATUS_FULL;
- else if (ret & BATTERY_FULL_DISCHARGED)
- ret = POWER_SUPPLY_STATUS_NOT_CHARGING;
- else if (ret & BATTERY_DISCHARGING)
- ret = POWER_SUPPLY_STATUS_DISCHARGING;
- else
+ else if (ret & BATTERY_DISCHARGING) {
+ if (ret & BATTERY_FULL_DISCHARGED)
+ ret = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ else
+ ret = POWER_SUPPLY_STATUS_DISCHARGING;
+ } else
ret = POWER_SUPPLY_STATUS_CHARGING;

if (chip->last_state != ret) {
--
1.7.9.5
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