@@ -2618,7 +2618,7 @@ static void btusb_mtk_release_iso_intf(struct hci_dev *hdev)
{
struct btmtk_data *btmtk_data = hci_get_priv(hdev);
- if (btmtk_data->isopkt_intf) {
+ if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) {
usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor);
clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags);
@@ -2658,8 +2658,8 @@ static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data)
if (err < 0)
return err;
- if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags))
- btusb_mtk_release_iso_intf(hdev);
+ /* Release MediaTek ISO data interface */
+ btusb_mtk_release_iso_intf(hdev);
btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);
@@ -2704,22 +2704,22 @@ static int btusb_mtk_setup(struct hci_dev *hdev)
btmtk_data->reset_sync = btusb_mtk_reset;
/* Claim ISO data interface and endpoint */
- btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM);
- if (btmtk_data->isopkt_intf)
+ if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) {
+ btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM);
btusb_mtk_claim_iso_intf(data);
+ }
return btmtk_usb_setup(hdev);
}
static int btusb_mtk_shutdown(struct hci_dev *hdev)
{
- struct btmtk_data *btmtk_data = hci_get_priv(hdev);
int ret;
ret = btmtk_usb_shutdown(hdev);
- if (test_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags))
- btusb_mtk_release_iso_intf(hdev);
+ /* Release MediaTek iso interface after shutdown */
+ btusb_mtk_release_iso_intf(hdev);
return ret;
}
Change conditions for Bluetooth driver claiming and releasing usb ISO interface for MediaTek ISO data transmission. Signed-off-by: Chris Lu <chris.lu@mediatek.com> --- drivers/bluetooth/btusb.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)