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charger-manager: Disable regulator when charger cable is detached 

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