From 1442414576426b81d31be9fa37fb1f0da634ca6b Mon Sep 17 00:00:00 2001
From: Szymon Janc <szymon.janc@codecoup.pl>
Date: Sun, 5 Nov 2017 20:20:57 +0100
Subject: [PATCH] Bluetooth: btusb: Mark F8T013 devices to have broken link key
 commands

Belkin F8T013 seems to have a problem with the stored link key
commands so just mark it as broken.

< HCI Command: Read Local Suppor.. (0x04|0x0003) plen 0  #3 [hci0] 264.545788
> HCI Event: Command Complete (0x0e) plen 12             #4 [hci0] 264.547252
      Read Local Supported Features (0x04|0x0003) ncmd 1
        Status: Success (0x00)
        Features: 0xff 0xfb 0x8d 0xfe 0x9f 0xf9 0x00 0x80
< HCI Command: Read Local Versio.. (0x04|0x0001) plen 0  #5 [hci0] 264.547270
> HCI Event: Command Complete (0x0e) plen 12             #6 [hci0] 264.548251
      Read Local Version Information (0x04|0x0001) ncmd 1
        Status: Success (0x00)
        HCI version: Bluetooth 2.0 (0x03) - Revision 8307 (0x2073)
        LMP version: Bluetooth 2.0 (0x03) - Subversion 16654 (0x410e)
        Manufacturer: Broadcom Corporation (15)
          Firmware: 002.001.014 (BCM20702B0)
          Build: 0115
....
< HCI Command: Read Local Suppo.. (0x04|0x0002) plen 0  #25 [hci0] 264.574258
> HCI Event: Command Complete (0x0e) plen 68            #26 [hci0] 264.580248
      Read Local Supported Commands (0x04|0x0002) ncmd 1
        Status: Success (0x00)
        Commands: 105 entries
        ....
          Write Stored Link Key (Octet 6 - Bit 6)
          Delete Stored Link Key (Octet 6 - Bit 7)
        ....
....
< HCI Command: Delete Stored Li.. (0x03|0x0012) plen 7  #37 [hci0] 264.585265
        Address: 00:00:00:00:00:00 (OUI 00-00-00)
        Delete all: 0x01
> HCI Event: Command Complete (0x0e) plen 4             #38 [hci0] 264.586249
      Delete Stored Link Key (0x03|0x0012) ncmd 1
        Status: Unsupported Feature or Parameter Value (0x11)
= Close Index: 00:0A:3A:66:3D:B9                            [hci0] 264.586262

Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
---
 drivers/bluetooth/btusb.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f7120c9eb9bd..32a10d7be0c3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -66,6 +66,7 @@ static struct usb_driver btusb_driver;
 #define BTUSB_BCM2045		0x40000
 #define BTUSB_IFNUM_2		0x80000
 #define BTUSB_CW6622		0x100000
+#define BTUSB_F8T013		0x200000

 static const struct usb_device_id btusb_table[] = {
 	/* Generic Bluetooth USB device */
@@ -297,7 +298,8 @@ static const struct usb_device_id blacklist_table[] = {

 	/* Belkin F8T012 and F8T013 devices */
 	{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
-	{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
+	{ USB_DEVICE(0x050d, 0x0013),
+	  .driver_info = BTUSB_WRONG_SCO_MTU | BTUSB_F8T013},

 	/* Asus WL-BTD202 device */
 	{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
@@ -3043,6 +3045,9 @@ static int btusb_probe(struct usb_interface *intf,
 			goto out_free_dev;
 	}
 #endif
+	if (id->driver_info & BTUSB_F8T013)
+		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
+
 	if (id->driver_info & BTUSB_CW6622)
 		set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);

--
2.14.2