linux-kernel - Re: [PATCH] Bluetooth: btusb: Recognize Realtek shared wifi/bluetooth devices

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Message-Id: <734FAB01-9120-43F7-A003-FD7822DFA2F8@holtmann.org>
Date:	Thu, 30 Jul 2015 13:45:04 +0200
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Sjoerd Simons <sjoerd.simons@...labora.co.uk>
Cc:	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
	Daniel Drake <drake@...lessm.com>,
	Larry Finger <Larry.Finger@...inger.net>
Subject: Re: [PATCH] Bluetooth: btusb: Recognize Realtek shared wifi/bluetooth devices

Hi Sjoerd,

> Recognize Realtek devices which share wifi and bluetooth such as the
> rtl8723AU by vendor and interface.
> 
> T:  Bus=01 Lev=02 Prnt=02 Port=00 Cnt=01 Dev#=  3 Spd=480  MxCh= 0
> D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
> P:  Vendor=0bda ProdID=0724 Rev= 2.00
> S:  Manufacturer=Realtek
> S:  Product=802.11n WLAN Adapter
> S:  SerialNumber=00e04c000001
> C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=500mA
> A:  FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01
> 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=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
> E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
> E:  Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
> E:  Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
> E:  Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
> E:  Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
> E:  Ad=83(I) 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=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
> E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
> I:* If#= 2 Alt= 0 #EPs= 4 Cls=ff(vend.) Sub=ff Prot=ff Driver=rtl8723au
> E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
> E:  Ad=87(I) Atr=03(Int.) MxPS=  64 Ivl=500us
> 
> Signed-off-by: Sjoerd Simons <sjoerd.simons@...labora.co.uk>
> ---
> drivers/bluetooth/btusb.c | 4 ++++
> 1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 93339a4..3324c91 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -149,6 +149,10 @@ static const struct usb_device_id btusb_table[] = {
> 	{ USB_DEVICE(0x8087, 0x0a5a),
> 	  .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
> 
> +	/* Realtek devices sharing Bluetooth and Wifi*/
> +	{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
> +	  .driver_info = BTUSB_REALTEK },
> +

is this still needed after I applied the generic USB_INTERFACE_INFO patch?

Regards

Marcel

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