linux-kernel - Re: [PATCH] bluetooth usb hci: ISSC usb dongle with buggy SCO support

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Message-Id: <200812091431.41917.markos.chandras@gmail.com>
Date:	Tue, 9 Dec 2008 14:31:41 +0200
From:	Markos Chandras <markos.chandras@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Luca Santarelli <hrk@...rs.sourceforge.net>, marcel@...tmann.org,
	linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bluetooth usb hci: ISSC usb dongle with buggy SCO support

On Sunday 07 December 2008 10:19:53 Andrew Morton wrote:
> On Fri, 5 Dec 2008 00:02:13 +0100 Luca Santarelli 
<hrk@...rs.sourceforge.net> wrote:
> > From: Luca Santarelli <hrk <t> users.sourceforge.net>
> >
> > As reported at:
> > http://bugs.gentoo.org/show_bug.cgi?id=249523
> > and in reference of similar patches such as:
> > http://thread.gmane.org/gmane.linux.bluez.devel/15067
> >
> > This patch changes the blacklist entry for the ISSC bluetooth USB
> > dongle fixing the issue of the repeatedly appearing message
> >
> >   hci_scodata_packet: hci0 SCO packet for unknown connection handle 92
> >
> > in the kernel logs.
> >
> > Sighed-off-by: Luca Santarelli <hrk <at> users.sourceforge.net>
> > ---
> > This is my first kernel patch ever, I read the docs, but please notify
> > me if I made any mistake. Thank you all for your work, I'm happy to have
> > been able to contribute to this!
> >
> > The patch has been run against 2.6.27.7 and has been tested on three x86
> > machines, showing no issues. In my own tests, the dongle has been then
> > used to connect to devices and everything worked fine.
> >
> > --- linux-2.6.27.7/drivers/bluetooth/hci_usb.c.orig	2008-12-04
> > 20:18:38.000000000 +0100 +++
> > linux-2.6.27.7/drivers/bluetooth/hci_usb.c	2008-12-04 20:19:37.000000000
> > +0100 @@ -148,8 +148,8 @@ static struct usb_device_id blacklist_id
> >  	{ USB_DEVICE(0x047d, 0x105d), .driver_info = HCI_RESET },
> >  	{ USB_DEVICE(0x047d, 0x105e), .driver_info = HCI_RESET |
> > HCI_WRONG_SCO_MTU },
> >
> > -	/* ISSC Bluetooth Adapter v3.1 */
> > -	{ USB_DEVICE(0x1131, 0x1001), .driver_info = HCI_RESET },
> > +	/* ISSC Bluetooth Adapter v3.1 with buggy SCO support */
> > +	{ USB_DEVICE(0x1131, 0x1001), .driver_info = HCI_RESET |
> > HCI_BROKEN_ISOC },
> >
> >  	/* RTX Telecom based adapters with buggy SCO support */
> >  	{ USB_DEVICE(0x0400, 0x0807), .driver_info = HCI_BROKEN_ISOC },
>
> linux-next has:
>
> commit 12421b40b81d101d7535e03f1af197365adc932b
> Author: Marcel Holtmann <marcel@...tmann.org>
> Date:   Sun Nov 30 12:17:21 2008 +0100
>
>     Bluetooth: Remove deprecated hci_usb driver
>
>     The old hci_usb driver has been fully replaced with the new btusb
> driver and all major distributions switched to the new driver now. This
> removes it since it should not be used at all anymore.
>
> so please confirm that btusb correctly supports that hardware?
> --
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Unfortunatelly it doesnt work here. The new driver cant recognize my device. I 
am using gentoo-sources-2.6.26-r4 ( which means linux-sources-2.6.26-5).

I ll post again my device info from lsusb. I ll try to come up with a patch is 
possible

Bus 002 Device 002: ID 1131:1001 Integrated System Solution Corp. KY-BT100 
Bluetooth Adapter

Thanks
-- 
Markos Chandras
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