Merge branch 'for-5.14/multitouch' into for-linus

- patch series that ensures that hid-multitouch driver disables touch and
  button-press reporting on hid-mt devices during suspend when the device is
  not configured as a wakeup-source, from Hans de Goede

1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/hid.h b/include/linux/hid.h
index f05bf96a0d21..9e067f937dbc 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -801,6 +801,7 @@ struct hid_driver {
  * @raw_request: send raw report request to device (e.g. feature report)
  * @output_report: send output report to device
  * @idle: send idle request to device
+ * @may_wakeup: return if device may act as a wakeup source during system-suspend
  */
 struct hid_ll_driver {
 	int (*start)(struct hid_device *hdev);
@@ -825,6 +826,7 @@ struct hid_ll_driver {
 	int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len);
 
 	int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype);
+	bool (*may_wakeup)(struct hid_device *hdev);
 };
 
 extern struct hid_ll_driver i2c_hid_ll_driver;
@@ -1151,6 +1153,22 @@ static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle,
 }
 
 /**
+ * hid_may_wakeup - return if the hid device may act as a wakeup source during system-suspend
+ *
+ * @hdev: hid device
+ */
+static inline bool hid_hw_may_wakeup(struct hid_device *hdev)
+{
+	if (hdev->ll_driver->may_wakeup)
+		return hdev->ll_driver->may_wakeup(hdev);
+
+	if (hdev->dev.parent)
+		return device_may_wakeup(hdev->dev.parent);
+
+	return false;
+}
+
+/**
  * hid_hw_wait - wait for buffered io to complete
  *
  * @hdev: hid device