Bluetooth: btusb: Add internal callback for USB bulk rx data
authorMarcel Holtmann <marcel@holtmann.org>
Mon, 3 Nov 2014 04:16:07 +0000 (05:16 +0100)
committerJohan Hedberg <johan.hedberg@intel.com>
Mon, 3 Nov 2014 08:13:42 +0000 (10:13 +0200)
Some vendors require special handling of the rx data from the USB
bulk endpoints. For that case provide an internal callback that
can overwrite it with a custom receive function.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
drivers/bluetooth/btusb.c

index c85426d6e33d85dcde3be56466fc1ae5eb6d32c3..cd634f3b76d3a7cadd72c5f27c75d505afd66d45 100644 (file)
@@ -299,6 +299,8 @@ struct btusb_data {
        unsigned int sco_num;
        int isoc_altsetting;
        int suspend_count;
+
+       int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
 };
 
 static inline void btusb_free_frags(struct btusb_data *data)
@@ -590,7 +592,7 @@ static void btusb_bulk_complete(struct urb *urb)
        if (urb->status == 0) {
                hdev->stat.byte_rx += urb->actual_length;
 
-               if (btusb_recv_bulk(data, urb->transfer_buffer,
+               if (data->recv_bulk(data, urb->transfer_buffer,
                                    urb->actual_length) < 0) {
                        BT_ERR("%s corrupted ACL packet", hdev->name);
                        hdev->stat.err_rx++;
@@ -2012,6 +2014,8 @@ static int btusb_probe(struct usb_interface *intf,
        init_usb_anchor(&data->isoc_anchor);
        spin_lock_init(&data->rxlock);
 
+       data->recv_bulk = btusb_recv_bulk;
+
        hdev = hci_alloc_dev();
        if (!hdev)
                return -ENOMEM;