diff options
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 9217121362e..de171211a1c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -855,6 +855,7 @@ static void btusb_work(struct work_struct *work) { struct btusb_data *data = container_of(work, struct btusb_data, work); struct hci_dev *hdev = data->hdev; + int new_alts; int err; if (hdev->conn_hash.sco_num > 0) { @@ -868,11 +869,19 @@ static void btusb_work(struct work_struct *work) set_bit(BTUSB_DID_ISO_RESUME, &data->flags); } - if (data->isoc_altsetting != 2) { + + if (hdev->voice_setting & 0x0020) { + static const int alts[3] = { 2, 4, 5 }; + new_alts = alts[hdev->conn_hash.sco_num - 1]; + } else { + new_alts = hdev->conn_hash.sco_num; + } + + if (data->isoc_altsetting != new_alts) { clear_bit(BTUSB_ISOC_RUNNING, &data->flags); usb_kill_anchored_urbs(&data->isoc_anchor); - if (__set_isoc_interface(hdev, 2) < 0) + if (__set_isoc_interface(hdev, new_alts) < 0) return; } |