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charging: add battery ovp debounce

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As some times charger pump detect vbat hight, so add
battery ovp debounce to avoid stop charging.

Change-Id: I6ed0bde0eb61232e368f31a3b308c948c05843b7
Signed-off-by: Haijian Ma <mahj8@motorola.com>
Reviewed-on: https://gerrit.mot.com/2325324
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 2022-07-07 13:58:12 +08:00
commit bebc619ba5
2 changed files with 32 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

21
drivers/power/mmi_discrete_turbo_charger/mmi_charger_pump_policy.c
View file

@ -87,6 +87,7 @@ static int chrg_cv_delta_volt = 0;
static int quit_slave_chrg_cnt = 0;
static int batt_curr_roof = 0;
static int pd_constant_power_cnt = 0;
static int batt_ovp_cnt = 0;
static void mmi_chrg_sm_move_state(struct mmi_charger_manager *chip, pm_sm_state_t state)
{
@ -242,6 +243,7 @@ void mmi_chrg_enable_all_cp(struct mmi_charger_manager *chip, int val)
#define DISABLE_CHRG_LIMIT -1
#define CP_CHRG_SOC_LIMIT 90
#define PD_CONT_PWR_CNT 5
#define BATT_OVP_COUNT 5
static void clear_chg_manager(struct mmi_charger_manager *chip)
{
@ -396,16 +398,25 @@ void mmi_chrg_sm_work_func(struct work_struct *work)
if (chip->pres_temp_zone == ZONE_COLD
|| chip->pres_temp_zone == ZONE_HOT
|| !chrg_list->chrg_dev[PMIC_SW]->charger_enabled
|| vbatt_volt > chip->batt_ovp_lmt) {
|| !chrg_list->chrg_dev[PMIC_SW]->charger_enabled) {
mmi_chrg_info(chip, "Force stop charging, "
"pres_temp_zone %d, "
"pmic charger enabled %d, "
"pmic charger enabled %d\n",
chip->pres_temp_zone,
chrg_list->chrg_dev[PMIC_SW]->charger_enabled);
mmi_chrg_sm_move_state(chip, PM_STATE_STOP_CHARGE);
}
if (vbatt_volt > chip->batt_ovp_lmt)
batt_ovp_cnt ++;
else
batt_ovp_cnt = 0;
if (batt_ovp_cnt >= BATT_OVP_COUNT) {
mmi_chrg_info(chip, "Force stop charging, "
"vbatt_volt %dmv, "
"batt ovp limit %dmv\n",
chip->pres_temp_zone,
chrg_list->chrg_dev[PMIC_SW]->charger_enabled,
vbatt_volt, chip->batt_ovp_lmt);
mmi_chrg_sm_move_state(chip, PM_STATE_STOP_CHARGE);
}

21
drivers/power/mmi_discrete_turbo_charger/mmi_qc3p_cp_policy.c
View file

@ -83,6 +83,7 @@ static int qc3p_chrg_cv_delta_volt = 0;
static int qc3p_quit_slave_chrg_cnt = 0;
static int qc3p_batt_curr_roof = 0;
static int qc3p_constant_power_cnt = 0;
static int qc3p_batt_ovp_cnt = 0;
static void mmi_chrg_qc3p_sm_move_state(struct mmi_charger_manager *chip, pm_sm_qc3p_state_t state)
{
@ -238,6 +239,7 @@ void mmi_qc3p_chrg_enable_all_cp(struct mmi_charger_manager *chip, int val)
#define QC3P_CP_CHRG_SOC_LIMIT 90
#define QC3P_CONT_PWR_CNT 5
#define CP_CV_VOLT_TOLERANCE 10000 //10mV
#define QC3P_BATT_OVP_COUNT 5
void qc3p_clear_chg_manager(struct mmi_charger_manager *chip)
{
@ -383,16 +385,25 @@ void mmi_qc3p_chrg_sm_work_func(struct work_struct *work)
if (chip->pres_temp_zone == ZONE_COLD
|| chip->pres_temp_zone == ZONE_HOT
|| !chrg_list->chrg_dev[PMIC_SW]->charger_enabled
|| vbatt_volt > chip->batt_ovp_lmt) {
|| !chrg_list->chrg_dev[PMIC_SW]->charger_enabled) {
mmi_chrg_info(chip, "Force stop charging, "
"pres_temp_zone %d, "
"pmic charger enabled %d, "
"pmic charger enabled %d\n",
chip->pres_temp_zone,
chrg_list->chrg_dev[PMIC_SW]->charger_enabled);
mmi_chrg_qc3p_sm_move_state(chip, PM_QC3P_STATE_STOP_CHARGE);
}
if (vbatt_volt > chip->batt_ovp_lmt)
qc3p_batt_ovp_cnt ++;
else
qc3p_batt_ovp_cnt = 0;
if (qc3p_batt_ovp_cnt >= QC3P_BATT_OVP_COUNT) {
mmi_chrg_info(chip, "Force stop charging, "
"vbatt_volt %dmv, "
"batt ovp limit %dmv\n",
chip->pres_temp_zone,
chrg_list->chrg_dev[PMIC_SW]->charger_enabled,
vbatt_volt, chip->batt_ovp_lmt);
mmi_chrg_qc3p_sm_move_state(chip, PM_QC3P_STATE_STOP_CHARGE);
}