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control charger irq for otg or battery presence

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Disable charger IRQ if OTG is enabled or battery is absence
to prevent unexpected charger IRQ wakeup.

Change-Id: I71b699f25a5624f0f3699434f142abc8cd3d69d4
Signed-off-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2319107
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:
Yonghua Yan 2022-06-30 22:02:04 +08:00
commit ed90b000ce
2 changed files with 28 additions and 3 deletions
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30
drivers/power/sgm4154x_charger_lite/sgm4154x_charger_lite.c
View file

@ -2271,6 +2271,7 @@ static void sgm4154x_charger_set_constraint(void *data,
#define VBAT_OVP_MV (4600)
#define IBAT_OCP_MA (1500)
#define PROTECT_DELAY_MS (60000)
#define OTG_VBUS_MIN_MV (4600)
static void sgm4154x_paired_battery_notify(void *data,
struct mmi_battery_info *batt_info)
{
@ -2295,6 +2296,7 @@ static void sgm4154x_paired_battery_notify(void *data,
static struct timespec64 start = {0};
uint32_t elapsed_ms;
static bool batt_protected = false;
bool otg_enabled = false;
if (!batt_info || batt_info->batt_mv <= 0) {
pr_warn("Invalid paired battery info\n");
@ -2304,16 +2306,37 @@ static void sgm4154x_paired_battery_notify(void *data,
memcpy(&chg->paired_batt_info, batt_info, sizeof(struct mmi_battery_info));
batt_present = (chg->batt_info.batt_temp >= BPD_TEMP_THRE)? true : false;
if (!chg->chg_info.chrg_present &&
chg->chg_info.chrg_ma == 0 &&
chg->chg_info.chrg_mv > OTG_VBUS_MIN_MV) {
otg_enabled = true;
}
if (batt_present) {
rc = power_supply_get_property(chg->fg_psy,
POWER_SUPPLY_PROP_PRESENT, &val);
if (!rc && !val.intval)
batt_present = false;
}
if (!batt_present) {
if (!batt_present || otg_enabled) {
sgm4154x_set_hiz_en(chg->sgm, true);
pr_warn("%s is absent\n", chg->fg_psy->desc->name);
return;
if (chg->sgm->client->irq && chg->sgm->irq_enabled) {
disable_irq_wake(chg->sgm->client->irq);
disable_irq(chg->sgm->client->irq);
chg->sgm->irq_enabled = false;
pr_warn("irq is disabled, bpd=%d, otg=%d\n",
batt_present, otg_enabled);
}
if (!batt_present)
return;
} else {
if (!chg->sgm->irq_enabled && chg->sgm->client->irq) {
enable_irq_wake(chg->sgm->client->irq);
enable_irq(chg->sgm->client->irq);
chg->sgm->irq_enabled = true;
pr_warn("irq is enabled, bpd=%d, otg=%d\n",
batt_present, otg_enabled);
}
}
batt_ocv = chg->batt_info.batt_mv;
@ -2961,6 +2984,7 @@ static int sgm4154x_probe(struct i2c_client *client,
if (ret)
goto error_out;
enable_irq_wake(client->irq);
sgm->irq_enabled = true;
}
INIT_DELAYED_WORK(&sgm->charge_detect_delayed_work, charger_detect_work_func);

1
drivers/power/sgm4154x_charger_lite/sgm4154x_charger_lite.h
View file

@ -338,6 +338,7 @@ struct sgm4154x_device {
struct dentry *debug_root;
bool irq_enabled;
int high_load_en_gpio;
int low_load_en_gpio;
bool high_load_active_low;