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FG: Monotonic SoC to prevent SoC jump

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Monotonic SoC to prevent SoC jump while Charging or Discharging
for miami

Change-Id: I5a7c0ac6031c0e4908b1dcff12b385e312247712
Signed-off-by: Haijian Ma <mahj8@motorola.com>
Reviewed-on: https://gerrit.mot.com/2343050
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Haijian Ma 2022-07-25 09:36:40 +08:00
commit 7ce2dadc30
1 changed files with 56 additions and 0 deletions
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56
drivers/power/mm8013c_fg_mmi/mm8013c_battery.c
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@ -70,6 +70,8 @@ struct mm8xxx_device_info {
struct delayed_work work;
struct power_supply *psy;
struct power_supply *batt_psy;
struct power_supply *usb_psy;
struct power_supply *dc_psy;
struct list_head list;
struct mutex lock;
u8 *cmds;
@ -1445,9 +1447,46 @@ static int mm8xxx_battery_read_elapsedhours(struct mm8xxx_device_info *di)
return elapsed;
}
static bool is_input_present(struct mm8xxx_device_info *di)
{
int rc = 0, input_present = 0;
union power_supply_propval pval = {0, };
if (!di->usb_psy)
di->usb_psy = power_supply_get_by_name("usb");
if (di->usb_psy) {
rc = power_supply_get_property(di->usb_psy,
POWER_SUPPLY_PROP_PRESENT, &pval);
if (rc < 0)
pr_err("Couldn't read USB Present status, rc=%d\n", rc);
else
input_present |= pval.intval;
}
if (!di->dc_psy)
di->dc_psy = power_supply_get_by_name("dc");
if (di->dc_psy) {
rc = power_supply_get_property(di->dc_psy,
POWER_SUPPLY_PROP_PRESENT, &pval);
if (rc < 0)
pr_err("Couldn't read DC Present status, rc=%d\n", rc);
else
input_present |= pval.intval;
}
pr_info("input present = %d\n", input_present);
if (input_present)
return true;
return false;
}
#define CAP(min, max, value) \
((min > value) ? min : ((value > max) ? max : value))
static void mm8xxx_battery_update(struct mm8xxx_device_info *di)
{
struct mm8xxx_state_cache cache = {0, };
bool input_present = is_input_present(di);
#ifdef CONFIG_BATTERY_MM8XXX_DYNAMIC_CHARGE_VOLTAGE
int cv;
int req = 0;
@ -1475,6 +1514,23 @@ static void mm8xxx_battery_update(struct mm8xxx_device_info *di)
cache.cycle_count = mm8xxx_battery_read_cyclecount(di);
mm8xxx_battery_temp_to_FG(di);
mm_info("soc = %d, ui_soc = %d\n", cache.soc, di->cache.soc);
if (di->cache.soc == 0)
di->cache.soc = cache.soc;
if (cache.soc > di->cache.soc) {
/* SOC increased */
if (input_present) {/* Increment if input is present */
cache.soc = di->cache.soc + 1;
} else
cache.soc = di->cache.soc;
} else if (cache.soc < di->cache.soc) {
/* SOC dropped */
cache.soc = di->cache.soc - 1;
}
cache.soc = CAP(0, 100, cache.soc);
if (di->charge_design_full <= 0)
di->charge_design_full = mm8xxx_battery_read_designcapacity(di);