Hi Zijun,
> Qualcomm WCN785x has PID/VID 0cf3/e700 as shown by
> /sys/kernel/debug/usb/devices:
>
> T: Bus=02 Lev=02 Prnt=02 Port=01 Cnt=02 Dev#= 8 Spd=12 MxCh= 0
> D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
> P: Vendor=0cf3 ProdID=e700 Rev= 0.01
> C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
> I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
> E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
> E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
> I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
> I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
> I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
> I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
> I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
> I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
> I: If#= 1 Alt= 7 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E: Ad=83(I) Atr=01(Isoc) MxPS= 65 Ivl=1ms
> E: Ad=03(O) Atr=01(Isoc) MxPS= 65 Ivl=1ms
>
> Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
> ---
> drivers/bluetooth/btusb.c | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 06a854a2507e..67a6a84a6f61 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -317,6 +317,11 @@ static const struct usb_device_id blacklist_table[] = {
> BTUSB_WIDEBAND_SPEECH |
> BTUSB_VALID_LE_STATES },
>
> + /* QCA WCN785x chipset */
> + { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 |
> + BTUSB_WIDEBAND_SPEECH |
> + BTUSB_VALID_LE_STATES },
> +
> /* Broadcom BCM2035 */
> { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
> { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
> @@ -3037,6 +3042,7 @@ static const struct qca_device_info qca_devices_table[] = {
> { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
> { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
> { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
> + { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
> };
>
> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
> @@ -3327,11 +3333,11 @@ static int btusb_setup_qca(struct hci_dev *hdev)
> if (err < 0)
> return err;
>
> - /* WCN6855 2.1 will reset to apply firmware downloaded here, so
> + /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so
> * wait ~100ms for reset Done then go ahead, otherwise, it maybe
> * cause potential enable failure.
> */
> - if (info->rom_version == 0x00130201)
> + if ((info->rom_version == 0x00130201) || (info->rom_version == 0x00190200))
> msleep(QCA_BT_RESET_WAIT_MS);
I think it is better to start using a switch statement here.
Regards
Marcel
