Conwise CW6622 seems to have a problem with the stored link key
commands so just mark it as broken.
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 12
Read Local Supported Features (0x04|0x0003) ncmd 1
status 0x00
Features: 0xff 0x3e 0x85 0x38 0x18 0x18 0x00 0x00
< HCI Command: Read Local Version Information (0x04|0x0001) plen 0
> HCI Event: Command Complete (0x0e) plen 12
Read Local Version Information (0x04|0x0001) ncmd 1
status 0x00
HCI Version: 2.0 (0x3) HCI Revision: 0x1f4
LMP Version: 2.0 (0x3) LMP Subversion: 0x1f4
Manufacturer: CONWISE Technology Corporation Ltd (66)
...
< HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0
> HCI Event: Command Complete (0x0e) plen 68
Read Local Supported Commands (0x04|0x0002) ncmd 1
status 0x00
Commands: 7fffef03cedfffffffffff1ff20ff8ff3f
...
< HCI Command: Read Stored Link Key (0x03|0x000d) plen 7
bdaddr 00:00:00:00:00:00 all 1
> HCI Event: Command Complete (0x0e) plen 8
Read Stored Link Key (0x03|0x000d) ncmd 1
status 0x11 max 0 num 0
Error: Unsupported Feature or Parameter Value
Signed-off-by: Szymon Janc <szymon.janc@xxxxxxxxxxx>
---
drivers/bluetooth/btusb.c | 54 +++++++++++++++++++++++++----------------------
1 file changed, 29 insertions(+), 25 deletions(-)
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 80ae854..396f91d 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -42,26 +42,26 @@ static bool reset = true;
static struct usb_driver btusb_driver;
-#define BTUSB_IGNORE 0x01
-#define BTUSB_DIGIANSWER 0x02
-#define BTUSB_CSR 0x04
-#define BTUSB_SNIFFER 0x08
-#define BTUSB_BCM92035 0x10
-#define BTUSB_BROKEN_ISOC 0x20
-#define BTUSB_WRONG_SCO_MTU 0x40
-#define BTUSB_ATH3012 0x80
-#define BTUSB_INTEL 0x100
-#define BTUSB_INTEL_BOOT 0x200
-#define BTUSB_BCM_PATCHRAM 0x400
-#define BTUSB_MARVELL 0x800
-#define BTUSB_SWAVE 0x1000
-#define BTUSB_INTEL_NEW 0x2000
-#define BTUSB_AMP 0x4000
-#define BTUSB_QCA_ROME 0x8000
-#define BTUSB_BCM_APPLE 0x10000
-#define BTUSB_REALTEK 0x20000
-#define BTUSB_BCM2045 0x40000
-#define BTUSB_IFNUM_2 0x80000
+#define BTUSB_IGNORE 0x01
+#define BTUSB_DIGIANSWER 0x02
+#define BTUSB_CSR 0x04
+#define BTUSB_SNIFFER 0x08
+#define BTUSB_BCM92035 0x10
+#define BTUSB_BROKEN_ISOC 0x20
+#define BTUSB_WRONG_SCO_MTU 0x40
+#define BTUSB_ATH3012 0x80
+#define BTUSB_INTEL 0x100
+#define BTUSB_INTEL_BOOT 0x200
+#define BTUSB_BCM_PATCHRAM 0x400
+#define BTUSB_MARVELL 0x800
+#define BTUSB_SWAVE 0x1000
+#define BTUSB_INTEL_NEW 0x2000
+#define BTUSB_AMP 0x4000
+#define BTUSB_QCA_ROME 0x8000
+#define BTUSB_BCM_APPLE 0x10000
+#define BTUSB_REALTEK 0x20000
+#define BTUSB_BROKEN_STORED_LINK_KEY 0x40000
+#define BTUSB_IFNUM_2 0x80000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -173,8 +173,9 @@ static const struct usb_device_id blacklist_table[] = {
/* Broadcom BCM2033 without firmware */
{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
- /* Broadcom BCM2045 devices */
- { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
+ /* Broadcom BCM2045 devices, broken Read Stored Link Key command */
+ { USB_DEVICE(0x0a5c, 0x2045),
+ .driver_info = BTUSB_BROKEN_STORED_LINK_KEY },
/* Atheros 3011 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
@@ -290,8 +291,11 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
- /* CONWISE Technology based adapters with buggy SCO support */
- { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
+ /* CONWISE Technology based adapters with buggy SCO support and broken
+ * Read Stored Link Key command
+ */
+ { USB_DEVICE(0x0e5e, 0x6622),
+ .driver_info = BTUSB_BROKEN_ISOC | BTUSB_BROKEN_STORED_LINK_KEY},
/* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
{ USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
@@ -2845,7 +2849,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
- if (id->driver_info & BTUSB_BCM2045)
+ if (id->driver_info & BTUSB_BROKEN_STORED_LINK_KEY)
set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
if (id->driver_info & BTUSB_BCM92035)
--
2.7.4
--
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