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

From: Sjoerd Simons
Date: Thu Jul 30 2015 - 08:12:51 EST


On Thu, 2015-07-30 at 13:45 +0200, Marcel Holtmann wrote:
> 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@xxxxxxxxxxxxxxx>
> > ---
> > 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?

Noe as Daniel Drake mentioned in his submission, this patch is obsolete
now that the USB_INTERFACE_INFO change has landed.


--
Sjoerd Simons <sjoerd.simons@xxxxxxxxxxxxxxx>
Collabora Ltd.
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