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Commit 8bcf3b39 authored by Hakan Berg's avatar Hakan Berg Committed by Anton Vorontsov
Browse files

ab8500_fg: Added support for BATT_OVV 



Add support for the battery over-voltage situation

Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarHakan Berg <hakan.berg@stericsson.com>
Reviewed-by: default avatarKarl KOMIEROWSKI <karl.komierowski@stericsson.com>
Signed-off-by: default avatarAnton Vorontsov <anton@enomsg.org>
parent 0cdaf9a9

drivers/power/ab8500_fg.c

+15 −15
Original line number Diff line number Diff line
@@ -1840,7 +1840,6 @@ 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);
@@ -1848,16 +1847,19 @@ static void ab8500_fg_check_hw_failure_work(struct work_struct *work) 
		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;

	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);