From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Fri, 11 Jan 2013 13:13:01 +0000 Subject: [PATCH 13/18] power: ab8500_fg: Added support for BATT_OVV In-Reply-To: <1357909986-9262-1-git-send-email-lee.jones@linaro.org> References: <1357909986-9262-1-git-send-email-lee.jones@linaro.org> Message-ID: <1357909986-9262-14-git-send-email-lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Hakan Berg Add support for the battery over-voltage situation Signed-off-by: Lee Jones Signed-off-by: Hakan Berg Reviewed-by: Karl KOMIEROWSKI --- drivers/power/ab8500_fg.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c index 5e8291b..845e64f 100644 --- a/drivers/power/ab8500_fg.c +++ b/drivers/power/ab8500_fg.c @@ -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, - ®_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, + ®_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); -- 1.7.9.5