Support for suspend/resume interface for the HCI devices.

include/net/bluetooth/hci.h

@@ -39,6 +39,8 @@
 #define HCI_DEV_UNREG   2
 #define HCI_DEV_UP	3
 #define HCI_DEV_DOWN	4
+#define HCI_DEV_SUSPEND 5
+#define HCI_DEV_RESUME  6
 
 /* HCI device types */
 #define HCI_VHCI	0

include/net/bluetooth/hci_core.h

@@ -302,6 +302,8 @@ struct hci_dev *hci_dev_get(int index);
 struct hci_dev *hci_get_route(bdaddr_t *src, bdaddr_t *dst);
 int hci_register_dev(struct hci_dev *hdev);
 int hci_unregister_dev(struct hci_dev *hdev);
+int hci_suspend_dev(struct hci_dev *hdev);
+int hci_resume_dev(struct hci_dev *hdev);
 int hci_dev_open(__u16 dev);
 int hci_dev_close(__u16 dev);
 int hci_dev_reset(__u16 dev);

net/bluetooth/hci_core.c

@@ -863,6 +863,22 @@ int hci_unregister_dev(struct hci_dev *hdev)
 	return 0;
 }
 
+/* Suspend HCI device */
+int hci_suspend_dev(struct hci_dev *hdev)
+{
+	hci_notify(hdev, HCI_DEV_SUSPEND);
+	hci_run_hotplug(hdev->name, "suspend");
+	return 0;
+}
+
+/* Resume HCI device */
+int hci_resume_dev(struct hci_dev *hdev)
+{
+	hci_notify(hdev, HCI_DEV_RESUME);
+	hci_run_hotplug(hdev->name, "resume");
+	return 0;
+}       
+
 /* Receive frame from HCI drivers */
 int hci_recv_frame(struct sk_buff *skb)
 {

net/bluetooth/syms.c

@@ -44,6 +44,9 @@
 /* HCI Core */
 EXPORT_SYMBOL(hci_register_dev);
 EXPORT_SYMBOL(hci_unregister_dev);
+EXPORT_SYMBOL(hci_suspend_dev);
+EXPORT_SYMBOL(hci_resume_dev);
+
 EXPORT_SYMBOL(hci_register_proto);
 EXPORT_SYMBOL(hci_unregister_proto);