Merge tag 'asoc-fix-v4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v4.4

Quite a large batch of fixes have come in since the merge window, mainly
driver specific ones but there's a couple of core ones:

 - A fix for DAPM resume on active streams to ensure everything ends up
   cleanly in the right state.
 - Reset the DAPM cache when freeing widgets to fix a crash on driver
   remove and reload.

The PM functions for nau8825 are new code which fix crashes on resume.

1 files changed, 98 insertions, 5 deletions

diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index b7369220c9ef..981f8a202c27 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -56,8 +56,8 @@ static int req_run(struct hci_request *req, hci_req_complete_t complete,
 		return -ENODATA;
 
 	skb = skb_peek_tail(&req->cmd_q);
-	bt_cb(skb)->req.complete = complete;
-	bt_cb(skb)->req.complete_skb = complete_skb;
+	bt_cb(skb)->hci.req_complete = complete;
+	bt_cb(skb)->hci.req_complete_skb = complete_skb;
 
 	spin_lock_irqsave(&hdev->cmd_q.lock, flags);
 	skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q);
@@ -99,7 +99,7 @@ struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
 	BT_DBG("skb len %d", skb->len);
 
 	bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
-	bt_cb(skb)->opcode = opcode;
+	bt_cb(skb)->hci.opcode = opcode;
 
 	return skb;
 }
@@ -128,9 +128,9 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
 	}
 
 	if (skb_queue_empty(&req->cmd_q))
-		bt_cb(skb)->req.start = true;
+		bt_cb(skb)->hci.req_start = true;
 
-	bt_cb(skb)->req.event = event;
+	bt_cb(skb)->hci.req_event = event;
 
 	skb_queue_tail(&req->cmd_q, skb);
 }
@@ -564,3 +564,96 @@ void hci_update_background_scan(struct hci_dev *hdev)
 	if (err && err != -ENODATA)
 		BT_ERR("Failed to run HCI request: err %d", err);
 }
+
+void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn,
+		      u8 reason)
+{
+	switch (conn->state) {
+	case BT_CONNECTED:
+	case BT_CONFIG:
+		if (conn->type == AMP_LINK) {
+			struct hci_cp_disconn_phy_link cp;
+
+			cp.phy_handle = HCI_PHY_HANDLE(conn->handle);
+			cp.reason = reason;
+			hci_req_add(req, HCI_OP_DISCONN_PHY_LINK, sizeof(cp),
+				    &cp);
+		} else {
+			struct hci_cp_disconnect dc;
+
+			dc.handle = cpu_to_le16(conn->handle);
+			dc.reason = reason;
+			hci_req_add(req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
+		}
+
+		conn->state = BT_DISCONN;
+
+		break;
+	case BT_CONNECT:
+		if (conn->type == LE_LINK) {
+			if (test_bit(HCI_CONN_SCANNING, &conn->flags))
+				break;
+			hci_req_add(req, HCI_OP_LE_CREATE_CONN_CANCEL,
+				    0, NULL);
+		} else if (conn->type == ACL_LINK) {
+			if (req->hdev->hci_ver < BLUETOOTH_VER_1_2)
+				break;
+			hci_req_add(req, HCI_OP_CREATE_CONN_CANCEL,
+				    6, &conn->dst);
+		}
+		break;
+	case BT_CONNECT2:
+		if (conn->type == ACL_LINK) {
+			struct hci_cp_reject_conn_req rej;
+
+			bacpy(&rej.bdaddr, &conn->dst);
+			rej.reason = reason;
+
+			hci_req_add(req, HCI_OP_REJECT_CONN_REQ,
+				    sizeof(rej), &rej);
+		} else if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {
+			struct hci_cp_reject_sync_conn_req rej;
+
+			bacpy(&rej.bdaddr, &conn->dst);
+
+			/* SCO rejection has its own limited set of
+			 * allowed error values (0x0D-0x0F) which isn't
+			 * compatible with most values passed to this
+			 * function. To be safe hard-code one of the
+			 * values that's suitable for SCO.
+			 */
+			rej.reason = HCI_ERROR_REMOTE_LOW_RESOURCES;
+
+			hci_req_add(req, HCI_OP_REJECT_SYNC_CONN_REQ,
+				    sizeof(rej), &rej);
+		}
+		break;
+	default:
+		conn->state = BT_CLOSED;
+		break;
+	}
+}
+
+static void abort_conn_complete(struct hci_dev *hdev, u8 status, u16 opcode)
+{
+	if (status)
+		BT_DBG("Failed to abort connection: status 0x%2.2x", status);
+}
+
+int hci_abort_conn(struct hci_conn *conn, u8 reason)
+{
+	struct hci_request req;
+	int err;
+
+	hci_req_init(&req, conn->hdev);
+
+	__hci_abort_conn(&req, conn, reason);
+
+	err = hci_req_run(&req, abort_conn_complete);
+	if (err && err != -ENODATA) {
+		BT_ERR("Failed to run HCI request: err %d", err);
+		return err;
+	}
+
+	return 0;
+}