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Subject[PATCH 1/5] charger-manager: Disable battery charging when charger cable is detached
Date
This patch disable before stop chargint forcibly when charger cable
is detached and check return value of regulator_enable/disable() fucntion
to confirm correct opertion of enabling/disabling charger(regulator).

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>
---
drivers/power/charger-manager.c | 21 +++++++++++++++++++--
1 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 526e5c9..f968301 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -271,9 +271,26 @@ 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
--
1.7.0.4


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