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mmi_charger:optimize the thermal vote policy

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Changes,
ensure the thermal vote current can keep constant.

Change-Id: Ie95e6ee49381781484b843715dcaabe5ebf4e760
Signed-off-by: Lei Chen <chenlei18@lenovo.com>
Reviewed-on: https://gerrit.mot.com/2632194
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Wei Xu <xuwei9@lenovo.com>
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Lei Chen authored and Lei Chen committed 2023-06-07 01:15:12 -05:00
1 parent f78635ed93
commit a5f96568a0
1 file changed
+14 -9
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drivers/power/mmi_parallel_charger_iio/mmi_qc3p_cp_policy.c
+14 -9
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@@ -225,6 +225,7 @@ void mmi_qc3p_chrg_enable_all_cp(struct mmi_charger_manager *chip, int val)
#define QC3P_HEARTBEAT_SHORT_DELAY_MS 1000
#define QC3P_HEARTBEAT_lOOP_WAIT_MS 3000
#define HEARTBEAT_THERMAL_DELAY_MS 300
#define QC3P_HEARTBEAT_TUNNING_MS 100
#define QC3P_HEARTBEAT_NEXT_STATE_MS 100
#define QC3P_HEARTBEAT_CANCEL -1
@@ -283,6 +284,7 @@ void mmi_qc3p_chrg_sm_work_func(struct work_struct *work)
struct mmi_charger_manager, mmi_qc3p_chrg_sm_work.work);
int i = 0, rc = 0;
int ibatt_curr = 0, vbatt_volt = 0, batt_temp = 0, vbus_pres = 0;
int ibatt_vote = 0;
int batt_soc = 0;
int heartbeat_dely_ms = 0;
int pmic_sys_therm_level = 0;
@@ -1023,27 +1025,27 @@ schedule:
chip->qc3p_sys_therm_cooling = true;
chip->qc3p_sys_therm_volt = chip->qc3p_request_volt_prev;
}
if (ibatt_curr >
chip->thermal_mitigation[chip->system_thermal_level] + QC3P_CC_CURR_DEBOUNCE) {
if (ibatt_curr - chip->thermal_mitigation[chip->system_thermal_level] > 300000)
ibatt_vote = min(chip->thermal_mitigation[chip->system_thermal_level],chrg_step->chrg_step_cc_curr);
if (ibatt_curr > ibatt_vote + QC3P_CC_CURR_DEBOUNCE) {
if (ibatt_curr - ibatt_vote > 300000)
chip->qc3p_sys_therm_volt -= chip->qc3p_volt_steps *3;
else
chip->qc3p_sys_therm_volt -= chip->qc3p_volt_steps;
mmi_chrg_dbg(chip, PR_MOTO, "For thermal, decrease qc3 volt %d\n",
chip->qc3p_sys_therm_volt);
} else if ((ibatt_curr <
chip->thermal_mitigation[chip->system_thermal_level])) {
if (chip->thermal_mitigation[chip->system_thermal_level] - ibatt_curr > 300000)
} else if ((ibatt_curr < ibatt_vote) &&(vbatt_volt <= chrg_step->chrg_step_cv_volt - 10000) ) {
if (ibatt_vote - ibatt_curr > 300000)
chip->qc3p_sys_therm_volt += chip->qc3p_volt_steps *3;
else
chip->qc3p_sys_therm_volt += chip->qc3p_volt_steps;
chip->qc3p_sys_therm_volt = min(chip->qc3p_volt_max, chip->qc3p_sys_therm_volt);
mmi_chrg_dbg(chip, PR_MOTO, "For thermal, increase qc3 volt %d\n",
chip->qc3p_sys_therm_volt);
chip->qc3p_target_volt = chip->qc3p_sys_therm_volt;
chip->qc3p_request_volt = chip->qc3p_target_volt;
}
heartbeat_dely_ms = QC3P_HEARTBEAT_TUNNING_MS;
heartbeat_dely_ms = HEARTBEAT_THERMAL_DELAY_MS;
} else if (chip->system_thermal_level > 0 &&
chip->system_thermal_level != chip->thermal_levels - 1 &&
qc3p_sm_state == PM_QC3P_STATE_SW_LOOP &&
@@ -1052,8 +1054,11 @@ schedule:
mmi_chrg_qc3p_sm_move_state(chip, PM_QC3P_STATE_ENTRY);
}
if (chip->qc3p_sys_therm_cooling)
if (chip->qc3p_sys_therm_cooling) {
chip->qc3p_target_volt = min(chip->qc3p_target_volt, chip->qc3p_sys_therm_volt);
if (qc3p_sm_state == PM_QC3P_STATE_CP_CV_LOOP)
chip->qc3p_sys_therm_volt = chip->qc3p_target_volt;
}
if (chip->qc3p_batt_therm_cooling && !chip->qc3p_sys_therm_force_pmic_chrg) {
if (batt_temp > chrg_step->temp_c + COOLING_HYSTERISIS_DEGC) {