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[Bluetooth] Correct SCO buffer size for another Broadcom chip 

The SCO buffer size values on IBM/Lenovo ThinkPad laptops with a
Bluetooth chip from Broadcom are wrong. The USB Bluetooth driver
has to set a quirk to correct the SCO buffer size values.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2006-07-14 16:01:52 +02:00 committed by David S. Miller
parent 98bcd08b5b
commit 520ca78acc
1 changed files with 15 additions and 2 deletions
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17
drivers/bluetooth/hci_usb.c
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@ -67,6 +67,8 @@ static int ignore = 0;
static int ignore_dga = 0;
static int ignore_csr = 0;
static int ignore_sniffer = 0;
static int disable_scofix = 0;
static int force_scofix = 0;
static int reset = 0;
#ifdef CONFIG_BT_HCIUSB_SCO
@ -110,6 +112,9 @@ static struct usb_device_id blacklist_ids[] = {
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = HCI_RESET | HCI_BROKEN_ISOC },
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = HCI_BCM92035 },
/* IBM/Lenovo ThinkPad with Broadcom chip */
{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = HCI_WRONG_SCO_MTU },
/* Microsoft Wireless Transceiver for Bluetooth 2.0 */
{ USB_DEVICE(0x045e, 0x009c), .driver_info = HCI_RESET },
@ -990,8 +995,10 @@ static int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id
if (reset || id->driver_info & HCI_RESET)
set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
if (id->driver_info & HCI_WRONG_SCO_MTU)
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
if (force_scofix || id->driver_info & HCI_WRONG_SCO_MTU) {
if (!disable_scofix)
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
}
if (id->driver_info & HCI_SNIFFER) {
if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
@ -1161,6 +1168,12 @@ MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
module_param(ignore_sniffer, bool, 0644);
MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
module_param(disable_scofix, bool, 0644);
MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
module_param(force_scofix, bool, 0644);
MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
module_param(reset, bool, 0644);
MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");