diff options
| author | Guosong Su <gssu@marvell.com> | 2015-06-29 16:09:18 +0800 |
|---|---|---|
| committer | Tim Wang <wangtt@marvell.com> | 2015-07-06 17:28:52 +0800 |
| commit | 83ede70eba04c9d8628a32952acba4693e8bbbee (patch) | |
| tree | 4b57f6bf5b0fd5ea1d322f4d868ec2e0732352ae | |
| parent | 47ebe8d0c2279eb7bdd3e15a2946ad705a3840ca (diff) | |
| download | pxa-v3.14-83ede70eba04c9d8628a32952acba4693e8bbbee.tar.gz | |
power: 88pm88x_battery: fix the bug of poweroff issues
if battery voltage is lower than poweroff threshold,
we should reduce SoC every 5 seconds,
otherwise battery will be exhaust. codes present
use real_soc even it is not low temperature,
that is not what we need.
Change-Id: Ie5ea1b854b6ff82d2f0491728ac5487f48792157
Signed-off-by: Guosong Su <gssu@marvell.com>
| -rw-r--r-- | drivers/power/88pm88x_battery.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/power/88pm88x_battery.c b/drivers/power/88pm88x_battery.c index 464a47f9e54..dc393ec5e35 100644 --- a/drivers/power/88pm88x_battery.c +++ b/drivers/power/88pm88x_battery.c @@ -1086,8 +1086,11 @@ static void pm88x_battery_correct_low_temp(struct pm88x_battery_info *info, /* offset are multipled by 10 times becasue the soc now is 1000% */ offset *= PM88X_CAP_FAC1000; - ccnt_val->soc = ccnt_val->real_soc * times; - ccnt_val->soc -= offset; + /* only do this at low temperature */ + if (info->bat_params.temp < 0) { + ccnt_val->soc = ccnt_val->real_soc * times; + ccnt_val->soc -= offset; + } } /* correct SoC according to temp */ |