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

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Date:	Sun, 7 Dec 2008 00:19:53 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Luca Santarelli <hrk@...rs.sourceforge.net>
Cc:	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 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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