From: Marcel Holtmann <marcel@rvs.uni-bielefeld.de>
To: "Riikka Jylhä" <jylhar@ac.tut.fi>
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
Subject: RE: [Bluez-users] USB-drivers
Date: 04 Aug 2003 14:56:04 +0200 [thread overview]
Message-ID: <1060001774.955.4.camel@pegasus> (raw)
In-Reply-To: <000201c35a85$b18576d0$ae2ae682@ac.tut.fi>
Hi Riikka,
> > You need to apply a patch for using two ISOC URB's
> > per TX and RX path.
>
> Is this included in patch-2.4.21-mh2.gz. There is "Quirk for devices
> with no ISOC endpoints" at the Changelog. There is ISOC mentioned but is
> this the right patch or do I have to use the one I remember sawing
> somewhere in the bluez-developers mail-archive?
it is also not in 2.4.21-mh3, because it is not the complete solution.
You can see it as a quick hack to make it working, but you have to apply
it by yourself. The patch sent by Jonathan Paisley makes it working for
voice setting 0x0040 (8 bit). If you want to use the default setting
0x0060 (16 bit) you have to use ISOC alternate setting 2 which is
indicated by packet size 17.
The quirk you mention and which can be found in 2.4.21-mh2 is only for
the buggy USB Bluetooth devices that have no ISOC interface. This is not
allowed by the H:2 specification, but some manufacturers are unable to
read such documents.
> What audio formats are supported? Am I able to send .wav and .mp3
> sounds?
My CSR dongles only support linear PCM (2's complement) with 8 or 16 bit
for input. See output of "hciconfig hci0 voice".
Regards
Marcel
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next prev parent reply other threads:[~2003-08-04 12:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-04 11:40 [Bluez-users] USB-drivers Riikka Jylhä
2003-08-04 12:15 ` Marcel Holtmann
2003-08-04 12:41 ` Riikka Jylhä
2003-08-04 12:56 ` Marcel Holtmann [this message]
2003-08-04 13:28 ` Steven Singer
2003-08-04 14:28 ` Marcel Holtmann
2003-08-05 12:38 ` Riikka Jylhä
2003-08-06 7:13 ` Riikka Jylhä
2003-08-06 11:18 ` Marcel Holtmann
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