Merge branch 'for-5.10/i2c-hid' into for-linus

- i2c-hid support for wakeup from suspend-to-idle
mariux64 · Oct 15, 2020 · 3504e85 · 3504e85
2 parents 9b14b06 + 203c38f
commit 3504e85
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -935,6 +935,14 @@ static void i2c_hid_acpi_fix_up_power(struct device *dev)
 		acpi_device_fix_up_power(adev);
 }
 
+static void i2c_hid_acpi_enable_wakeup(struct device *dev)
+{
+	if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
+		device_set_wakeup_capable(dev, true);
+		device_set_wakeup_enable(dev, false);
+	}
+}
+
 static const struct acpi_device_id i2c_hid_acpi_match[] = {
 	{"ACPI0C50", 0 },
 	{"PNP0C50", 0 },
@@ -949,6 +957,8 @@ static inline int i2c_hid_acpi_pdata(struct i2c_client *client,
 }
 
 static inline void i2c_hid_acpi_fix_up_power(struct device *dev) {}
+
+static inline void i2c_hid_acpi_enable_wakeup(struct device *dev) {}
 #endif
 
 #ifdef CONFIG_OF
@@ -1076,6 +1086,8 @@ static int i2c_hid_probe(struct i2c_client *client,
 
 	i2c_hid_acpi_fix_up_power(&client->dev);
 
+	i2c_hid_acpi_enable_wakeup(&client->dev);
+
 	device_enable_async_suspend(&client->dev);
 
 	/* Make sure there is something at this address */