[From nobody Sat Aug 16 21:14:30 2008 Return-Path: <gta04-bounces@lists.internal.openmoko.org> Received: from mail.openmoko.org ([unix socket]) by mail.openmoko.org (Cyrus v2.1.18-IPv6-Debian-2.1.18-5.1) with LMTP; Tue, 15 Apr 2008 14:08:54 +0000 X-Sieve: CMU Sieve 2.2 Return-path: <gta04-bounces@lists.internal.openmoko.org> Received: from sita.openmoko.org ([88.198.124.203]) by mail.openmoko.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.63) (envelope-from <gta04-bounces@lists.internal.openmoko.org>) id 1JllqA-00053v-PO; Tue, 15 Apr 2008 14:08:54 +0000 Received: from internal.openmoko.org ([88.198.93.220] helo=varaha.openmoko.org) by sita.openmoko.org with esmtp (Exim 4.50) id 1Jllpv-0004m6-Fx; Tue, 15 Apr 2008 16:08:53 +0200 Received: from localhost ([127.0.0.1] helo=varaha.openmoko.org) by varaha.openmoko.org with esmtp (Exim 4.50) id 1Jllpk-0007sR-74; Tue, 15 Apr 2008 16:08:28 +0200 Received: from www.xora.org.uk ([80.68.91.202] helo=xora.org.uk) by varaha.openmoko.org with esmtp (Exim 4.50) id 1Jllpe-0007sA-6y for gta04@lists.internal.openmoko.org; Tue, 15 Apr 2008 16:08:25 +0200 Received: from xora.org.uk ([::ffff:78.86.128.56]) (AUTH: LOGIN dp, SSL: TLSv1/SSLv3,128bits,AES128-SHA) by xora.org.uk with esmtp; Tue, 15 Apr 2008 15:08:20 +0100 id 000511DE.4804B6D4.00007937 Date: Tue, 15 Apr 2008 15:08:31 +0100 From: Graeme Gregory <graeme@openmoko.org> To: Andy Green <andy@openmoko.com> Message-ID: <20080415140831.GI31722@cimmeria> References: <20080415132946.GF31722@cimmeria> <4804B0D4.5080508@openmoko.com> <20080415134804.GG31722@cimmeria> <4804B479.60204@openmoko.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: <4804B479.60204@openmoko.com> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Cc: gta04@lists.internal.openmoko.org X-BeenThere: gta04@lists.internal.openmoko.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: gta04.lists.internal.openmoko.org List-Unsubscribe: <https://lists.internal.openmoko.org/mailman/listinfo/gta04>, <mailto:gta04-request@lists.internal.openmoko.org?subject=unsubscribe> List-Archive: <http://lists.internal.openmoko.org/pipermail/gta04> List-Post: <mailto:gta04@lists.internal.openmoko.org> List-Help: <mailto:gta04-request@lists.internal.openmoko.org?subject=help> List-Subscribe: <https://lists.internal.openmoko.org/mailman/listinfo/gta04>, <mailto:gta04-request@lists.internal.openmoko.org?subject=subscribe> Sender: gta04-bounces@lists.internal.openmoko.org Errors-To: gta04-bounces@lists.internal.openmoko.org Subject: Re: [gta04] GTA04 Bluetooth and VOIP X-Spam-Checker-Version: SpamAssassin 3.0.3 (2005-04-27) on sita.openmoko.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,SPF_HELO_PASS autolearn=ham version=3.0.3 X-SA-Exim-Version: 4.2 (built Thu, 03 Mar 2005 10:44:12 +0100) On Tue, Apr 15, 2008 at 02:58:17PM +0100, Andy Green wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Somebody in the thread at some point said: > > |> | have bluetooth wired on GTA02 we cannot do a VOIP call with a > bluetooth > |> | headset. There just isnt enough connectivity within the codec. > |> > |> What is the problem here, we can't access the PCM "VX" interface in and > |> out from CPU? Huh? That's all we need? > |> > | There is no digital connection between the two interfaces on the codec > | and there is not enough analogue wires or ADC's to route between the two > | interfaces. > > Wow that's BAD! There are a zillion controls in alsamixer but no > routing between the interfaces! > > We can use your suggestion and just wire it all up together like CPU and > WM8753 are both master, but set CPU GPIO to forced float when WM8753 > drives it, force WM8753 PCM interface tristate (and CPU GPIO into I2S > peripheral mode) when CPU drives it. Zero glue logic needed. > On the s3c24XX CPU the codec and bluetooth always master as the cpu is crap (cant even make an approximately right frequency) at generating audio clocks. I guess similar will be true on the s3c6400. Graeme _______________________________________________ gta04 mailing list gta04@lists.internal.openmoko.org https://lists.internal.openmoko.org/mailman/listinfo/gta04 ]