From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michele Da Rold Subject: Re: wm8974 and sam9g45 atmel Date: Fri, 17 Jun 2011 11:22:50 +0200 Message-ID: <4DFB1CEA.2060308@ecsproject.com> References: <4DF0E2B4.7040401@ecsproject.com> <20110610103118.GA26441@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cp-out7.libero.it (cp-out7.libero.it [212.52.84.107]) by alsa0.perex.cz (Postfix) with ESMTP id 0F59D244A4 for ; Fri, 17 Jun 2011 11:23:02 +0200 (CEST) In-Reply-To: <20110610103118.GA26441@sirena.org.uk> 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: Mark Brown Cc: dp@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Il 10/06/2011 12:31, Mark Brown ha scritto: > On Thu, Jun 09, 2011 at 05:11:48PM +0200, Michele Da Rold wrote: >> Hello everybody, I'm starting a new development with a Atmel SAM9G45 and >> a WM8974. > > Please always CC maintainers on mails - traffic on the mailing list is > easily lost. > >> I'm using kernel 2.6.33.2 > > This kernel is *very* old - I would strongly recommend updating to a > more current kernel if you're looking for support. > Updated to 2.6.39.1! >> Putting some dedug messagge the driver not call the function >> "set_bias_level", and call the mute function with mute=0. >> Testing the MCLK signal I not see any clock on pin because I never call >> clk_enable!! > > Have you routed audio from the DAI to an output using the ALSA controls? > If you haven't connected an output path up then the kernel won't power > anything on. > Now I have configured wm8974 like slave, the ssc generate BCLK e FRAME signal and MCLK but I haven't output (I'm doing a playback) I'm new to alsa development so I haven't understand how to route audio to DAI from output, could you help me? Best regards _______________________________________________ > Alsa-devel mailing list > Alsa-devel@alsa-project.org > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel -- Michele Da Rold