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charger: add factory charge limit enable voltage

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Charger limit enable when soc to high, but if soc wrong and voltage too
low may caused low voltage battery can't charge, add enable voltage to
avoid it.

Change-Id: I7273351f237c2dd0262bf6f6c3bc18fb41e0860b
Signed-off-by: xuxj <xuxj12@motorola.com>
Reviewed-on: https://gerrit.mot.com/2786869
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Reviewed-by: Wentao Xu <xuwt2@motorola.com>
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Tested-by: Jira Key
Submit-Approved: Jira Key
This commit is contained in:
xuxj 2023-11-06 21:07:16 +08:00 • committed by xuxj12
commit 5dd18fd47d
1 changed files with 8 additions and 1 deletions
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9
drivers/power/mmi_charger/mmi_charger.c
View file

@ -242,6 +242,7 @@ struct mmi_charger_chip {
bool enable_factory_poweroff;
bool factory_syspoweroff_wait;
bool start_factory_kill_disabled;
int upper_limit_en_mv;
int upper_limit_capacity;
int lower_limit_capacity;
@ -1506,7 +1507,8 @@ static void mmi_update_charger_status(struct mmi_charger_chip *chip,
if (chip->enable_charging_limit && chip->factory_version) {
charging_limit_modes = status->charging_limit_modes;
if ((charging_limit_modes != CHARGING_LIMIT_RUN)
&& (batt_info->batt_soc >= chip->upper_limit_capacity))
&& (batt_info->batt_soc >= chip->upper_limit_capacity)
&& (batt_info->batt_mv >= chip->upper_limit_en_mv))
charging_limit_modes = CHARGING_LIMIT_RUN;
else if ((charging_limit_modes != CHARGING_LIMIT_OFF)
&& (batt_info->batt_soc <= chip->lower_limit_capacity))
@ -2812,6 +2814,11 @@ static int mmi_parse_dt(struct mmi_charger_chip *chip)
if (rc)
chip->factory_kill_debounce_ms = 0;
rc = of_property_read_u32(node, "mmi,upper-limit-en-voltage",
&chip->upper_limit_en_mv);
if (rc)
chip->upper_limit_en_mv = 4000;
rc = of_property_read_u32(node, "mmi,upper-limit-capacity",
&chip->upper_limit_capacity);
if (rc)