A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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charging: improve recharge batt voltage after stop

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Increase recharge battery voltage after stop state
prevent charge and discharge frequently

Change-Id: I070eef8f61d363772f17021b42b8341e5765ce44
Signed-off-by: mahj8 <mahj8@motorola.com>
Reviewed-on: https://gerrit.mot.com/2204350
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
mahj8 2022-03-01 18:27:12 +08:00 • committed by Haijian Ma
commit dceabb006f
1 changed files with 15 additions and 2 deletions
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17
drivers/power/mmi_charger/mmi_charger.c
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@ -1381,6 +1381,7 @@ static void mmi_update_charger_status(struct mmi_charger_chip *chip,
struct mmi_charger *charger)
{
bool voltage_full;
int stop_recharge_hyst;
enum charging_limit_modes charging_limit_modes;
struct mmi_charger_profile *profile = &charger->profile;
struct mmi_charger_status *status = &charger->status;
@ -1429,8 +1430,7 @@ static void mmi_update_charger_status(struct mmi_charger_chip *chip,
} else if (!status->temp_zone) {
status->pres_chrg_step = STEP_MAX;
/* Skip for empty temperature zone */
} else if ((status->pres_chrg_step == STEP_NONE) ||
(status->pres_chrg_step == STEP_STOP)) {
} else if (status->pres_chrg_step == STEP_NONE) {
if (status->temp_zone->norm_mv &&
((batt_info->batt_mv + HYST_STEP_MV) >= status->temp_zone->norm_mv)) {
if (status->temp_zone->fcc_norm_ma)
@ -1439,6 +1439,19 @@ static void mmi_update_charger_status(struct mmi_charger_chip *chip,
status->pres_chrg_step = STEP_STOP;
} else
status->pres_chrg_step = STEP_MAX;
} else if (status->pres_chrg_step == STEP_STOP) {
if (batt_info->batt_temp > COOL_TEMP)
stop_recharge_hyst = 2 * HYST_STEP_MV;
else
stop_recharge_hyst = 5 * HYST_STEP_MV;
if (status->temp_zone->norm_mv &&
((batt_info->batt_mv + stop_recharge_hyst) >= status->temp_zone->norm_mv)) {
if (status->temp_zone->fcc_norm_ma)
status->pres_chrg_step = STEP_NORM;
else
status->pres_chrg_step = STEP_STOP;
} else
status->pres_chrg_step = STEP_MAX;
} else if (status->pres_chrg_step == STEP_MAX) {
if (!status->temp_zone->norm_mv) {
/* No Step in this Zone */