diff options
Diffstat (limited to 'drivers/power/supply/ab8500_charger.c')
| -rw-r--r-- | drivers/power/supply/ab8500_charger.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index 681b53bb0df0..88099cdba8a7 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -163,7 +163,7 @@ enum ab8500_usb_state { #define USB_CH_IP_CUR_LVL_1P4 1400000 #define USB_CH_IP_CUR_LVL_1P5 1500000 -#define VBAT_TRESH_IP_CUR_RED 3800 +#define VBAT_TRESH_IP_CUR_RED 3800000 #define to_ab8500_charger_usb_device_info(x) container_of((x), \ struct ab8500_charger, usb_chg) @@ -1920,7 +1920,11 @@ static int ab8500_charger_get_ext_psy_data(struct device *dev, void *data) di = to_ab8500_charger_usb_device_info(usb_chg); - /* For all psy where the driver name appears in any supplied_to */ + /* + * For all psy where the driver name appears in any supplied_to + * in practice what we will find will always be "ab8500_fg" as + * the fuel gauge is responsible of keeping track of VBAT. + */ j = match_string(supplicants, ext->num_supplicants, psy->desc->name); if (j < 0) return 0; @@ -1937,7 +1941,10 @@ static int ab8500_charger_get_ext_psy_data(struct device *dev, void *data) case POWER_SUPPLY_PROP_VOLTAGE_NOW: switch (ext->desc->type) { case POWER_SUPPLY_TYPE_BATTERY: - di->vbat = ret.intval / 1000; + /* This will always be "ab8500_fg" */ + dev_dbg(di->dev, "get VBAT from %s\n", + dev_name(&ext->dev)); + di->vbat = ret.intval; break; default: break; @@ -1966,7 +1973,7 @@ static void ab8500_charger_check_vbat_work(struct work_struct *work) struct ab8500_charger, check_vbat_work.work); class_for_each_device(power_supply_class, NULL, - di->usb_chg.psy, ab8500_charger_get_ext_psy_data); + &di->usb_chg, ab8500_charger_get_ext_psy_data); /* First run old_vbat is 0. */ if (di->old_vbat == 0) @@ -1991,8 +1998,8 @@ static void ab8500_charger_check_vbat_work(struct work_struct *work) * No need to check the battery voltage every second when not close to * the threshold. */ - if (di->vbat < (VBAT_TRESH_IP_CUR_RED + 100) && - (di->vbat > (VBAT_TRESH_IP_CUR_RED - 100))) + if (di->vbat < (VBAT_TRESH_IP_CUR_RED + 100000) && + (di->vbat > (VBAT_TRESH_IP_CUR_RED - 100000))) t = 1; queue_delayed_work(di->charger_wq, &di->check_vbat_work, t * HZ); |