From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Nikula Subject: Re: how to use mcbsp for i2s? Date: Sat, 4 Apr 2009 17:39:37 +0300 Message-ID: <20090404173937.ba34d888.jhnikula@gmail.com> References: <20090402195653.0bcfb59e.jhnikula@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f166.google.com (mail-ew0-f166.google.com [209.85.219.166]) by alsa0.perex.cz (Postfix) with ESMTP id E988A1037F8 for ; Sat, 4 Apr 2009 16:39:41 +0200 (CEST) Received: by ewy10 with SMTP id 10so1405084ewy.32 for ; Sat, 04 Apr 2009 07:39:41 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Ernesto Torres Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org On Fri, 3 Apr 2009 10:14:45 -0600 Ernesto Torres wrote: > Im getting this output from muxing: > > MUX: setup AF6_3430_MCBSP3_DX (0xd800216c): 0x0004 -> > 0x0000 > MUX: setup AE6_3430_MCBSP3_DR (0xd800216e): 0x0004 -> > 0x0000 > MUX: setup AF5_3430_MCBSP3_CLKX (0xd8002170): 0x0004 -> > 0x0000 > MUX: setup AE5_3430_MCBSP3_FSX (0xd8002172): 0x0004 -> 0x0000 > > Is this correct? > It look likes since debug output says that the muxmode for those pins are changed from mode 4 (gpio in this case) to 0 (McBSP3 pins in this case). Actually all of those pins are configured as outputs in muxing module point of view but IRCC actually McBSP HW will set the direction depending on its configuration. At least I didn't notice any difference what was the muxing direction when I was playing with them shortly some time ago. -- Jarkko