Bluetooth: btusb: Add internal callback for USB bulk rx data
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>
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index c85426d..cd634f3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -299,6 +299,8 @@
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 @@
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 @@
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;