Bluetooth: btusb: USB alternate setting 1 for WBS
RTL8822CE supports transparent WBS to apply USB alternate setting 1. Add a flag to the device match data to apply alternate setting 1 which meet the transfer speed for WBS support. Signed-off-by: Hilda Wu <hildawu@realtek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -453,6 +453,7 @@ static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
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#define BTUSB_HW_RESET_ACTIVE 12
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#define BTUSB_TX_WAIT_VND_EVT 13
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#define BTUSB_WAKEUP_DISABLE 14
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#define BTUSB_USE_ALT1_FOR_WBS 15
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struct btusb_data {
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struct hci_dev *hdev;
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@ -1682,14 +1683,15 @@ static void btusb_work(struct work_struct *work)
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new_alts = data->sco_num;
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}
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} else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
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data->usb_alt6_packet_flow = true;
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/* Check if Alt 6 is supported for Transparent audio */
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if (btusb_find_altsetting(data, 6))
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if (btusb_find_altsetting(data, 6)) {
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data->usb_alt6_packet_flow = true;
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new_alts = 6;
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else
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} else if (test_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags)) {
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new_alts = 1;
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} else {
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bt_dev_err(hdev, "Device does not support ALT setting 6");
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}
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}
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if (btusb_switch_alt_setting(hdev, new_alts) < 0)
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@ -4004,6 +4006,15 @@ static int btusb_probe(struct usb_interface *intf,
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btusb_check_needs_reset_resume(intf);
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}
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if (id->driver_info & BTUSB_AMP) {
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/* AMP controllers do not support SCO packets */
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data->isoc = NULL;
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} else {
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/* Interface orders are hardcoded in the specification */
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data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
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data->isoc_ifnum = ifnum_base + 1;
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}
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if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
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(id->driver_info & BTUSB_REALTEK)) {
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hdev->setup = btrtl_setup_realtek;
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@ -4015,21 +4026,16 @@ static int btusb_probe(struct usb_interface *intf,
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* (DEVICE_REMOTE_WAKEUP)
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*/
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set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
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if (btusb_find_altsetting(data, 1))
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set_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags);
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else
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bt_dev_err(hdev, "Device does not support ALT setting 1");
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err = usb_autopm_get_interface(intf);
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if (err < 0)
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goto out_free_dev;
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}
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if (id->driver_info & BTUSB_AMP) {
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/* AMP controllers do not support SCO packets */
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data->isoc = NULL;
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} else {
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/* Interface orders are hardcoded in the specification */
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data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
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data->isoc_ifnum = ifnum_base + 1;
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}
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if (!reset)
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set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
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