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Subject[PATCH] Bluetooth: btusb: WBS support USB alternate setting 1
Date
From: Hilda Wu <hildawu@realtek.com>

For WBS support, btusb driver could be set to alternate setting 1.

Signed-off-by: Hilda Wu <hildawu@realtek.com>
---
drivers/bluetooth/btusb.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index c7cc8e594166..7942f9314fd7 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -453,6 +453,7 @@ static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
#define BTUSB_HW_RESET_ACTIVE 12
#define BTUSB_TX_WAIT_VND_EVT 13
#define BTUSB_WAKEUP_DISABLE 14
+#define BTUSB_WBS_ALT1 15

struct btusb_data {
struct hci_dev *hdev;
@@ -1666,14 +1667,18 @@ static void btusb_work(struct work_struct *work)
new_alts = data->sco_num;
}
} else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
-
- data->usb_alt6_packet_flow = true;
-
/* Check if Alt 6 is supported for Transparent audio */
- if (btusb_find_altsetting(data, 6))
+ if (btusb_find_altsetting(data, 6)) {
+ data->usb_alt6_packet_flow = true;
new_alts = 6;
- else
+ } else if (test_bit(BTUSB_WBS_ALT1, &data->flags)) {
+ if (btusb_find_altsetting(data, 1))
+ new_alts = 1;
+ else
+ bt_dev_err(hdev, "Device does not support ALT setting 1");
+ } else {
bt_dev_err(hdev, "Device does not support ALT setting 6");
+ }
}

if (btusb_switch_alt_setting(hdev, new_alts) < 0)
@@ -3965,6 +3970,7 @@ static int btusb_probe(struct usb_interface *intf,
* (DEVICE_REMOTE_WAKEUP)
*/
set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
+ set_bit(BTUSB_WBS_ALT1, &data->flags);

err = usb_autopm_get_interface(intf);
if (err < 0)
--
2.17.1
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