Return-Path: <cyrus@holtmann.org>
Subject: Re: Disconnect eSCO link from Command line
From: Marcel Holtmann <marcel@holtmann.org>
To: sreevani medhahal <sreevani.medhahal@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
In-Reply-To: <c2a31c480901300418m39d18545m80d7203d6404c0ef@mail.gmail.com>
References: <c2a31c480901272116y2bd70ed3yf1c02009c1ec0fd0@mail.gmail.com>
	 <20090128082323.GA8865@jh-x301>
	 <c2a31c480901280142n2cb0c2bbh9eb3a96075d21f21@mail.gmail.com>
	 <20090128112504.GA22536@localhost>
	 <c2a31c480901300157r42a9e8a6w3162b5080f9d634a@mail.gmail.com>
	 <c2a31c480901300418m39d18545m80d7203d6404c0ef@mail.gmail.com>
Content-Type: text/plain
Date: Sun, 01 Feb 2009 17:57:46 +0100
Message-Id: <1233507467.4809.9.camel@californication>
Mime-Version: 1.0
Sender: linux-bluetooth-owner@vger.kernel.org
List-ID: <linux-bluetooth.vger.kernel.org>

Hi Sreevani,

> >>> >>   After the headset has created the eSCO link. The Profile Tuning
> >>> >> Suite asks for Closing the Audio Connection from AG. Is there any
> >>> >> command line utiility to disable the eSCO link & not the service level
> >>> >> connection(ACL).[The eSCO link is visible on giving hcitool con ]
> >>> >
> >>> > You can do that by calling the Stop D-Bus method call on the
> >>> > org.bluez.Headset interface of the corresponding device object. You can
> >>> > e.g. use the test/test-telephony python script for this:
> >>> > ./test-telephony stop <remote address>
> >>> >
> >>> The above method does not close the eSCO link ,because the
> >>> sco_connect_cb has reported connection timed out. but the hcitool con
> >>> still lists the eSCO link.
> >>> I have another query bluez4.2x is compatible with which linux kernel
> >>> version. does it have any strict requirement that it works best only
> >>> if the kernel version is >= 2.6.27 .
> >>
> >> You might want to try Marcel's bluetooth-testing tree. I think that
> >> issue might be fixed by the following patch:
> >> http://git.kernel.org/?p=linux/kernel/git/holtmann/bluetooth-testing.git;a=commitdiff;h=d7461bfbd48bb76a1126a4f05bb16e4bb0187d31
> >
> > i cannot use the above git tree as i am on ubuntu hardy with kernel
> > 2.6.24-19. Is there a repository of bluetooth kernel patches for
> > version 2.6.24 . So that i can if any higher versions work for me...I
> > am not allowed to use higher kernel versions due to other driver
> > dependancy in 2.6.24.
> 
> one hack in the net/bluetooth/sco.c by disabling esco on AG ,passes
> the PTS tests & the sco_connect does not report connection timed out ,
> & now i can use the test-telephony stop to close the sco connection to
> the headset.

or you could just upgrade the kernel. We did fix the eSCO issues now and
tests with PTS confirmed that.

Regards

Marcel