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path: root/drivers/power/supply/cros_peripheral_charger.c
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Diffstat (limited to 'drivers/power/supply/cros_peripheral_charger.c')
-rw-r--r--drivers/power/supply/cros_peripheral_charger.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/power/supply/cros_peripheral_charger.c b/drivers/power/supply/cros_peripheral_charger.c
index 1379afd9698d..a204f2355be4 100644
--- a/drivers/power/supply/cros_peripheral_charger.c
+++ b/drivers/power/supply/cros_peripheral_charger.c
@@ -227,8 +227,7 @@ static int cros_pchg_get_prop(struct power_supply *psy,
return 0;
}
-static int cros_pchg_event(const struct charger_data *charger,
- unsigned long host_event)
+static int cros_pchg_event(const struct charger_data *charger)
{
int i;
@@ -256,7 +255,7 @@ static int cros_ec_notify(struct notifier_block *nb,
if (!(host_event & EC_MKBP_PCHG_DEVICE_EVENT))
return NOTIFY_DONE;
- return cros_pchg_event(charger, host_event);
+ return cros_pchg_event(charger);
}
static int cros_pchg_probe(struct platform_device *pdev)
@@ -281,6 +280,8 @@ static int cros_pchg_probe(struct platform_device *pdev)
charger->ec_dev = ec_dev;
charger->ec_device = ec_device;
+ platform_set_drvdata(pdev, charger);
+
ret = cros_pchg_port_count(charger);
if (ret <= 0) {
/*
@@ -349,9 +350,27 @@ static int cros_pchg_probe(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int __maybe_unused cros_pchg_resume(struct device *dev)
+{
+ struct charger_data *charger = dev_get_drvdata(dev);
+
+ /*
+ * Sync all ports on resume in case reports from EC are lost during
+ * the last suspend.
+ */
+ cros_pchg_event(charger);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(cros_pchg_pm_ops, NULL, cros_pchg_resume);
+
static struct platform_driver cros_pchg_driver = {
.driver = {
.name = DRV_NAME,
+ .pm = &cros_pchg_pm_ops,
},
.probe = cros_pchg_probe
};