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From: Hui Wang <hui.wang@canonical.com>
To: Tedd Ho-Jeong An <tedd.an@intel.com>
Cc: Marcel Holtmann <marcel@holtmann.org>,
	Johan Hedberg <johan.hedberg@intel.com>,
	xiong.y.zhang@intel.com,
	"Gustavo F. Padovan" <gustavo.padovan@collabora.co.uk>,
	"linux-bluetooth@vger.kernel.org development"
	<linux-bluetooth@vger.kernel.org>
Subject: Re: Intel 7260 bluetooth malfunction when it is connected to EHCI bus
Date: Thu, 31 Oct 2013 13:15:42 +0800	[thread overview]
Message-ID: <5271E77E.30202@canonical.com> (raw)
In-Reply-To: <1415253.BKnruDjiCq@han1-desk-dev>


[-- Attachment #1.1: Type: text/plain, Size: 1797 bytes --]

On 10/31/2013 03:36 AM, Tedd Ho-Jeong An wrote:
>
> On Wednesday, October 30, 2013 10:51:20 AM Hui Wang wrote:
>
> > On 10/29/2013 07:16 PM, Marcel Holtmann wrote:
>
> > > Hi Hui,
>
> > >
>
> > >> The problem is:
>
> > >> On the machine which has Intel 7260 BT module, i use it to connect a
>
> > >> bluetooth headset, it can successfully scan and connect to the 
> headset,
>
> > >> when i play sound to the bt headset, the problem comes, if the bt 
> module
>
> > >> is connected to the XHCI, it can work very well.
>
> > >>
>
> > >> u@u-Lenovo-B4400:~$ lsusb -t
>
> > >> 1-7:1.0: No such file or directory
>
> > >> /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
>
<snip>
>
> >
>
> > > Regards
>
> > >
>
> > > Marcel
>
> Hi Hui,
>
> Could you capture the HCI dump and send to me? Also, what's the 
> platform/machine are you using for testing?
>
> Regards,
>
> Tedd
>

Hi Tedd,

The attachment is the log generated by hcidump, i used below commands to 
generate the log,

$hcidump -w ./lenovo-k4450-bt-ascii-hex.log -X -t

Then i start the bluetooth scan from the ubuntu bluetooth applet

it found the hm1700 headset, then it connected the headset successfully

play sound to the headset, can't hear any sound

Ctrl+C to terminate the hcidump


I have three machines on which install the intel 7260 BT module 
(8087:07dc), and BT module firmware version is 370710018002030d2e, and 
those modules are connected to the EHCI bus, they all have the same 
problem when i want them to work with the BT headset. The three machines 
are lenovo b4400, lenovo k4450 and lenovo m4400s.

I also have dozens of other machines on which the 7260 BT modules are 
connected to XHCI, they all work well to play sound to a headset.

So do you think it is a firmware issue?

Regards,
Hui.







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  reply	other threads:[~2013-10-31  5:15 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-29 10:03 Intel 7260 bluetooth malfunction when it is connected to EHCI bus Hui Wang
2013-10-29 11:16 ` Marcel Holtmann
2013-10-30  2:51   ` Hui Wang
2013-10-30 19:36     ` Tedd Ho-Jeong An
2013-10-31  5:15       ` Hui Wang [this message]
2013-10-30 19:44     ` Marcel Holtmann
2013-10-31  5:29       ` Hui Wang
2013-10-31  9:49         ` Marcel Holtmann
2013-11-01  2:39           ` Hui Wang
2013-11-01  7:49             ` Marcel Holtmann
2013-11-01  9:18               ` Hui Wang
2013-11-02 19:05                 ` Marcel Holtmann
2013-11-04  5:59                   ` Hui Wang
2013-11-04 13:15                     ` Stevie Trujillo
2013-11-05  2:32                       ` Hui Wang
2013-11-05 18:44                         ` Stevie Trujillo
2013-11-07  3:45                           ` Hui Wang
2013-11-07 10:07                             ` Stevie Trujillo
2013-11-08  1:43                               ` Hui Wang
2013-11-08 11:17                                 ` Michal Labedzki
2013-11-26  9:11                                   ` Michal Labedzki
2013-12-20 12:30                                     ` Stevie Trujillo

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