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charger-manager: Disable regulator when charger cable is detached

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This patch disable regulator for charging when charger cable is detached
before stopping charging forcibly on abnormal battery state and check
return value of regulator_enable/disable() function to confirm correct
operation of enabling or disabling regulator for charging.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Chanwoo Choi 2012-07-27 14:01:34 +09:00 committed by Anton Vorontsov
parent c084e092e4
commit dbb61fc745
1 changed files with 17 additions and 2 deletions
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19
drivers/power/charger-manager.c
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@ -271,9 +271,24 @@ static int try_charger_enable(struct charger_manager *cm, bool enable)
if (enable) {
if (cm->emergency_stop)
return -EAGAIN;
for (i = 0 ; i < desc->num_charger_regulators ; i++)
regulator_enable(desc->charger_regulators[i].consumer);
for (i = 0 ; i < desc->num_charger_regulators ; i++) {
err = regulator_enable(desc->charger_regulators[i].consumer);
if (err < 0) {
dev_warn(cm->dev,
"Cannot enable %s regulator\n",
desc->charger_regulators[i].regulator_name);
}
}
} else {
for (i = 0 ; i < desc->num_charger_regulators ; i++) {
err = regulator_disable(desc->charger_regulators[i].consumer);
if (err < 0) {
dev_warn(cm->dev,
"Cannot disable %s regulator\n",
desc->charger_regulators[i].regulator_name);
}
}
/*
* Abnormal battery state - Stop charging forcibly,
* even if charger was enabled at the other places