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Add force_charging_enabled sysfs

Browse source 
Add missing sysfs to allow Factory to re-enable charging while in
factory mode or when using factory software.

Change-Id: If39b3d5f56495b7d89445629bc1541f0b22a296a
Reviewed-on: https://gerrit.mot.com/1949637
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Drew Abbott 2021-06-01 13:07:35 -05:00 • committed by Yonghua Yan
commit c94d7986fc
1 changed files with 58 additions and 0 deletions
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58
drivers/power/mmi_charger/mmi_charger.c
View file

@ -194,6 +194,7 @@ struct mmi_charger_chip {
bool factory_version;
bool factory_kill_armed;
bool force_charger_disabled;
bool force_charging_enabled;
int dcp_pmax;
int hvdcp_pmax;
@ -672,6 +673,52 @@ static DEVICE_ATTR(force_charger_suspend, 0644,
force_charger_suspend_show,
force_charger_suspend_store);
static ssize_t force_charging_enable_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
int state;
if (!this_chip) {
pr_err("mmi_charger: chip not valid\n");
return -ENODEV;
}
state = this_chip->force_charging_enabled;
return scnprintf(buf, CHG_SHOW_MAX_SIZE, "%d\n", state);
}
static ssize_t force_charging_enable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
unsigned long r;
unsigned long mode;
if (!this_chip) {
pr_err("mmi_charger: chip not valid\n");
return -ENODEV;
}
r = kstrtoul(buf, 0, &mode);
if (r) {
pr_err("mmi_charger: Invalid charger enable value = %lu\n", mode);
return -EINVAL;
}
this_chip->force_charging_enabled = (mode) ? true : false;
cancel_delayed_work(&this_chip->heartbeat_work);
schedule_delayed_work(&this_chip->heartbeat_work, msecs_to_jiffies(0));
mmi_info(this_chip, "%s force_charging_enabled\n", (mode)? "set" : "clear");
return count;
}
static DEVICE_ATTR(force_charging_enable, 0644,
force_charging_enable_show,
force_charging_enable_store);
static struct attribute * mmi_g[] = {
&dev_attr_charge_rate.attr,
&dev_attr_age.attr,
@ -728,6 +775,11 @@ static void mmi_battery_supply_init(struct mmi_charger_chip *chip)
if (rc)
mmi_err(chip, "couldn't create force_charger_suspend\n");
rc = device_create_file(chip->batt_psy->dev.parent,
&dev_attr_force_charging_enable);
if (rc)
mmi_err(chip, "couldn't create force_charging_enable\n");
mmi_info(chip, "battery supply is initialized\n");
}
@ -1374,6 +1426,10 @@ static void mmi_configure_charger(struct mmi_charger_chip *chip,
if (chip->force_charger_disabled || status->demo_chrg_suspend)
cfg->charger_suspend = true;
if (chip->force_charging_enabled) {
cfg->charging_disable = false;
}
charger->driver->set_constraint(charger->driver->data, &charger->constraint);
charger->driver->config_charge(charger->driver->data, cfg);
@ -2488,6 +2544,8 @@ static int mmi_charger_remove(struct platform_device *pdev)
&dev_attr_factory_charge_upper);
device_remove_file(chip->batt_psy->dev.parent,
&dev_attr_force_charger_suspend);
device_remove_file(chip->batt_psy->dev.parent,
&dev_attr_force_charging_enable);
sysfs_remove_group(&chip->batt_psy->dev.kobj,
&power_supply_mmi_attr_group);
power_supply_put(chip->batt_psy);