From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 3C150E00782; Thu, 22 Jan 2015 10:32:40 -0800 (PST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 X-Spam-HAM-Report: * 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider * (picmaster[at]mail.bg) * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's * domain * 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily * valid * -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature * -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no * trust * [193.201.172.119 listed in list.dnswl.org] Received: from mx3.mail.bg (mx3.mail.bg [193.201.172.119]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id EF031E00571 for ; Thu, 22 Jan 2015 10:32:35 -0800 (PST) Received: from [192.168.0.123] (unknown [93.152.143.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx3.mail.bg (Postfix) with ESMTPSA id DDA86202C1C7; Thu, 22 Jan 2015 20:32:33 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mail.bg; s=default; t=1421951554; bh=O9BaTjPsUVGuqCqgvnbLNnxMdPuxUlND/nsBXzP8aiw=; h=Message-ID:Date:From:MIME-Version:To:Subject:References: In-Reply-To:Content-Type:Content-Transfer-Encoding; b=DqrhFwp2lUpRxaHRKQ6tW2cqXyCa6IIflQ3AvXQrTIJA/fax7UKAxo+0yL7DSDAAi /YhLmmkugFjXAecvx2aeB6v33AVBaYwVLhTiLk3MDYEYYAMEeZxDp4PgtH0ULlamJo /XWK1bI//KUZSVfu572wfeXecwTdDTM/vT51LhjQ= Message-ID: <54C14241.4090805@mail.bg> Date: Thu, 22 Jan 2015 20:32:33 +0200 From: Nikolay Dimitrov User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.3.0 MIME-Version: 1.0 To: Gary Thomas , meta-freescale@yoctoproject.org References: <54BED2E8.70901@mail.bg> <54BEF411.9080503@mail.bg> <54BF0F40.6030407@mail.bg> <54C03C72.3050502@mail.bg> <54C0F9FE.6020208@mlbassoc.com> In-Reply-To: <54C0F9FE.6020208@mlbassoc.com> Subject: Re: Audio glitch with SGTL5000 X-BeenThere: meta-freescale@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Usage and development list for the meta-fsl-* layers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Jan 2015 18:32:40 -0000 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Hi Gary, On 01/22/2015 03:24 PM, Gary Thomas wrote: > Are you using headphone or line-out? > > My i.MX6 boards all suffer from this annoying pop - it would be great > to get to the bottom of this. Before applying my ugly fix, I can hear the glitch on both outputs, but need to warn you that my headphones test is flawed, as the SGTL5000 codec on my board is improperly connected to the headphones (audio output is only 2-wire DC-decoupled instead of using 3-wire cap-less output with virtual ground). Are you looking for a fix for line-out, headphones, both? Also, which kernel are you using? Regards, Nikolay