A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Optimize the battery data updating to save power

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1. Align the battery data time to 8s
2. Update each battery property separately
3. Don't cycle repeat battery data update

Change-Id: I443e6106e664ed20d4930cb3a34cd382f60446b3
Signed-off-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2508399
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Yonghua Yan 2023-02-10 18:18:29 +08:00
commit e6405e163e
1 changed files with 27 additions and 7 deletions
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34
drivers/power/cw2217b_fg_mmi/cw2217B_fuel_gauge_base.c
View file

@ -698,10 +698,30 @@ static void cw_bat_work(struct work_struct *work)
struct delayed_work *delay_work;
struct cw_battery *cw_bat;
int ret;
int ui_soc;
uint32_t elapsed_ms;
struct timespec64 now;
static struct timespec64 start = {0};
delay_work = container_of(work, struct delayed_work, work);
cw_bat = container_of(delay_work, struct cw_battery, battery_delay_work);
ktime_get_real_ts64(&now);
if (now.tv_sec >= start.tv_sec) {
elapsed_ms = (now.tv_sec - start.tv_sec) * 1000;
elapsed_ms += (now.tv_nsec - start.tv_nsec) / 1000000;
} else {
elapsed_ms = 0;
start = now;
}
ui_soc = cw_bat->ui_soc;
if (elapsed_ms >= queue_delayed_work_time) {
ret = cw_update_data(cw_bat);
if (ret < 0)
printk(KERN_ERR "iic read error when update data");
}
/* get battery power supply */
if (!cw_bat->batt_psy) {
cw_bat->batt_psy = power_supply_get_by_name("battery");
@ -709,15 +729,9 @@ static void cw_bat_work(struct work_struct *work)
cw_printk("%s: get batt_psy fail\n", __func__);
}
ret = cw_update_data(cw_bat);
if (ret < 0)
printk(KERN_ERR "iic read error when update data");
if (cw_bat->batt_psy) {
if (cw_bat->batt_psy && ui_soc != cw_bat->ui_soc) {
power_supply_changed(cw_bat->batt_psy);
}
queue_delayed_work(cw_bat->cwfg_workqueue, &cw_bat->battery_delay_work, msecs_to_jiffies(queue_delayed_work_time));
}
static void cw_hw_init_work(struct work_struct *work)
@ -953,13 +967,16 @@ static int cw_battery_get_property(struct power_supply *psy,
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
cw_get_current(cw_bat);
cw_get_batt_status(cw_bat);
val->intval = cw_bat->batt_status;
break;
case POWER_SUPPLY_PROP_CYCLE_COUNT:
cw_get_cycle_count(cw_bat);
val->intval = cw_bat->cycle;
break;
case POWER_SUPPLY_PROP_CAPACITY:
cw_get_capacity(cw_bat);
val->intval = cw_bat->ui_soc;
break;
case POWER_SUPPLY_PROP_HEALTH:
@ -974,6 +991,7 @@ static int cw_battery_get_property(struct power_supply *psy,
val->intval = 1;
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
cw_get_voltage(cw_bat);
val->intval = cw_bat->voltage * CW_VOL_UNIT;
break;
case POWER_SUPPLY_PROP_VOLTAGE_OCV:
@ -995,9 +1013,11 @@ static int cw_battery_get_property(struct power_supply *psy,
val->intval = (cw_bat->fcc_design * cw_bat->soh * 1000)/100;
break;
case POWER_SUPPLY_PROP_TEMP:
cw_get_temp(cw_bat);
val->intval = cw_bat->temp;
break;
case POWER_SUPPLY_PROP_CHARGE_COUNTER:
cw_get_soh(cw_bat);
val->intval = cw_get_charge_counter(cw_bat);
break;
default: