3 files changed, 37 insertions, 1 deletions

diff --git a/drivers/hid/i2c-hid/i2c-hid-acpi.c b/drivers/hid/i2c-hid/i2c-hid-acpi.c
index 1b49243adb16..abd700a101f4 100644
--- a/drivers/hid/i2c-hid/i2c-hid-acpi.c
+++ b/drivers/hid/i2c-hid/i2c-hid-acpi.c
@@ -76,6 +76,13 @@ static int i2c_hid_acpi_get_descriptor(struct i2c_hid_acpi *ihid_acpi)
 	return hid_descriptor_address;
 }
 
+static void i2c_hid_acpi_restore_sequence(struct i2chid_ops *ops)
+{
+	struct i2c_hid_acpi *ihid_acpi = container_of(ops, struct i2c_hid_acpi, ops);
+
+	i2c_hid_acpi_get_descriptor(ihid_acpi);
+}
+
 static void i2c_hid_acpi_shutdown_tail(struct i2chid_ops *ops)
 {
 	struct i2c_hid_acpi *ihid_acpi = container_of(ops, struct i2c_hid_acpi, ops);
@@ -96,6 +103,7 @@ static int i2c_hid_acpi_probe(struct i2c_client *client)
 
 	ihid_acpi->adev = ACPI_COMPANION(dev);
 	ihid_acpi->ops.shutdown_tail = i2c_hid_acpi_shutdown_tail;
+	ihid_acpi->ops.restore_sequence = i2c_hid_acpi_restore_sequence;
 
 	ret = i2c_hid_acpi_get_descriptor(ihid_acpi);
 	if (ret < 0)
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 30ebde1273be..63f46a2e5788 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -961,6 +961,14 @@ static void i2c_hid_core_shutdown_tail(struct i2c_hid *ihid)
 	ihid->ops->shutdown_tail(ihid->ops);
 }
 
+static void i2c_hid_core_restore_sequence(struct i2c_hid *ihid)
+{
+	if (!ihid->ops->restore_sequence)
+		return;
+
+	ihid->ops->restore_sequence(ihid->ops);
+}
+
 static int i2c_hid_core_suspend(struct i2c_hid *ihid, bool force_poweroff)
 {
 	struct i2c_client *client = ihid->client;
@@ -1370,8 +1378,26 @@ static int i2c_hid_core_pm_resume(struct device *dev)
 	return i2c_hid_core_resume(ihid);
 }
 
+static int i2c_hid_core_pm_restore(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct i2c_hid *ihid = i2c_get_clientdata(client);
+
+	if (ihid->is_panel_follower)
+		return 0;
+
+	i2c_hid_core_restore_sequence(ihid);
+
+	return i2c_hid_core_resume(ihid);
+}
+
 const struct dev_pm_ops i2c_hid_core_pm = {
-	SYSTEM_SLEEP_PM_OPS(i2c_hid_core_pm_suspend, i2c_hid_core_pm_resume)
+	.suspend = pm_sleep_ptr(i2c_hid_core_pm_suspend),
+	.resume = pm_sleep_ptr(i2c_hid_core_pm_resume),
+	.freeze = pm_sleep_ptr(i2c_hid_core_pm_suspend),
+	.thaw = pm_sleep_ptr(i2c_hid_core_pm_resume),
+	.poweroff = pm_sleep_ptr(i2c_hid_core_pm_suspend),
+	.restore = pm_sleep_ptr(i2c_hid_core_pm_restore),
 };
 EXPORT_SYMBOL_GPL(i2c_hid_core_pm);
 
diff --git a/drivers/hid/i2c-hid/i2c-hid.h b/drivers/hid/i2c-hid/i2c-hid.h
index 2c7b66d5caa0..1724a435c783 100644
--- a/drivers/hid/i2c-hid/i2c-hid.h
+++ b/drivers/hid/i2c-hid/i2c-hid.h
@@ -27,11 +27,13 @@ static inline u32 i2c_hid_get_dmi_quirks(const u16 vendor, const u16 product)
  * @power_up: do sequencing to power up the device.
  * @power_down: do sequencing to power down the device.
  * @shutdown_tail: called at the end of shutdown.
+ * @restore_sequence: hibernation restore sequence.
  */
 struct i2chid_ops {
 	int (*power_up)(struct i2chid_ops *ops);
 	void (*power_down)(struct i2chid_ops *ops);
 	void (*shutdown_tail)(struct i2chid_ops *ops);
+	void (*restore_sequence)(struct i2chid_ops *ops);
 };
 
 int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops,