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add charger state sync interface

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Do charger state sync when boot completed in case missing
some charger state change.

Change-Id: Iec128382d5edb98cda47752d07e606a6b66316be
Signed-off-by: yanyh2 <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/1982792
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
yanyh2 2021-06-17 20:26:11 +08:00 • committed by Yonghua Yan
commit c5311dbe8d
1 changed files with 41 additions and 5 deletions
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46
drivers/power/mmi_charger/mmi_charger.c
View file

@ -217,6 +217,39 @@ struct mmi_charger_chip {
void *ipc_log;
};
static void mmi_notify_charger_rate(struct mmi_charger_chip *chip, int rate);
static ssize_t state_sync_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 is invalid\n");
return -ENODEV;
}
r = kstrtoul(buf, 0, &mode);
if (r) {
mmi_err(this_chip, "Invalid state_sync value = %lu\n", mode);
return -EINVAL;
}
if (mode) {
mutex_lock(&this_chip->charger_lock);
mmi_notify_charger_rate(this_chip, this_chip->max_charger_rate);
mutex_unlock(&this_chip->charger_lock);
cancel_delayed_work(&this_chip->heartbeat_work);
schedule_delayed_work(&this_chip->heartbeat_work,
msecs_to_jiffies(0));
mmi_info(this_chip, "charger state sync received\n");
}
return count;
}
static DEVICE_ATTR(state_sync, 0200, NULL, state_sync_store);
#define CHARGER_POWER_5W 5000
#define CHARGER_POWER_7P5W 7500
#define CHARGER_POWER_10W 10000
@ -2310,6 +2343,12 @@ static int mmi_charger_probe(struct platform_device *pdev)
mmi_battery_supply_init(chip);
rc = device_create_file(chip->dev,
&dev_attr_state_sync);
if (rc) {
mmi_err(chip, "couldn't create state_sync\n");
}
rc = device_create_file(chip->dev,
&dev_attr_dcp_pmax);
if (rc) {
@ -2378,6 +2417,7 @@ static int mmi_charger_remove(struct platform_device *pdev)
if (chip->factory_mode)
unregister_reboot_notifier(&chip->mmi_reboot);
power_supply_unreg_notifier(&chip->mmi_psy_notifier);
device_remove_file(chip->dev, &dev_attr_state_sync);
device_remove_file(chip->dev, &dev_attr_dcp_pmax);
device_remove_file(chip->dev, &dev_attr_hvdcp_pmax);
device_remove_file(chip->dev, &dev_attr_pd_pmax);
@ -2409,11 +2449,7 @@ static void mmi_charger_shutdown(struct platform_device *pdev)
{
struct mmi_charger_chip *chip = platform_get_drvdata(pdev);
if (chip->batt_uenvp[0]) {
kfree(chip->batt_uenvp[0]);
chip->batt_uenvp[0] = NULL;
}
PM_WAKEUP_UNREGISTER(chip->mmi_hb_wake_source);
mmi_info(chip, "MMI charger shutdown\n");
return;
}