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ab8500_fg: Added support for BATT_OVV 

Add support for the battery over-voltage situation

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Hakan Berg <hakan.berg@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Hakan Berg 2013-01-11 13:13:01 +00:00 committed by Anton Vorontsov
parent 0cdaf9a900
commit 8bcf3b39a8
1 changed files with 15 additions and 15 deletions
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30
drivers/power/ab8500_fg.c
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@ -1840,24 +1840,26 @@ static void ab8500_fg_check_hw_failure_work(struct work_struct *work)
* If we have had a battery over-voltage situation,
* check ovv-bit to see if it should be reset.
*/
if (di->flags.bat_ovv) {
ret = abx500_get_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CH_STAT_REG,
&reg_value);
if (ret < 0) {
dev_err(di->dev, "%s ab8500 read failed\n", __func__);
return;
}
if ((reg_value & BATT_OVV) != BATT_OVV) {
dev_dbg(di->dev, "Battery recovered from OVV\n");
di->flags.bat_ovv = false;
ret = abx500_get_register_interruptible(di->dev,
AB8500_CHARGER, AB8500_CH_STAT_REG,
&reg_value);
if (ret < 0) {
dev_err(di->dev, "%s ab8500 read failed\n", __func__);
return;
}
if ((reg_value & BATT_OVV) == BATT_OVV) {
if (!di->flags.bat_ovv) {
dev_dbg(di->dev, "Battery OVV\n");
di->flags.bat_ovv = true;
power_supply_changed(&di->fg_psy);
return;
}
/* Not yet recovered from ovv, reschedule this test */
queue_delayed_work(di->fg_wq, &di->fg_check_hw_failure_work,
round_jiffies(HZ));
} else {
dev_dbg(di->dev, "Battery recovered from OVV\n");
di->flags.bat_ovv = false;
power_supply_changed(&di->fg_psy);
}
}
@ -2037,8 +2039,6 @@ static irqreturn_t ab8500_fg_batt_ovv_handler(int irq, void *_di)
struct ab8500_fg *di = _di;
dev_dbg(di->dev, "Battery OVV\n");
di->flags.bat_ovv = true;
power_supply_changed(&di->fg_psy);
/* Schedule a new HW failure check */
queue_delayed_work(di->fg_wq, &di->fg_check_hw_failure_work, 0);