From patchwork Wed Jun 3 22:07:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: yang.a.fang@intel.com X-Patchwork-Id: 6541721 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id CA6589F3D1 for ; Wed, 3 Jun 2015 22:08:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0742520738 for ; Wed, 3 Jun 2015 22:08:52 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 9BC9B20729 for ; Wed, 3 Jun 2015 22:08:50 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 51D43265DFE; Thu, 4 Jun 2015 00:08:49 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 1F531265DCD; Thu, 4 Jun 2015 00:08:41 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id D2B19265DB9; Thu, 4 Jun 2015 00:08:39 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id 54120265DB9 for ; Thu, 4 Jun 2015 00:08:32 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga102.fm.intel.com with ESMTP; 03 Jun 2015 15:08:29 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,549,1427785200"; d="scan'208";a="736647444" Received: from mocha.sc.intel.com ([143.183.245.87]) by fmsmga002.fm.intel.com with ESMTP; 03 Jun 2015 15:08:28 -0700 From: yang.a.fang@intel.com To: broonie@kernel.org, lgirdwood@gmail.com Date: Wed, 3 Jun 2015 15:07:41 -0700 Message-Id: <1433369261-98343-1-git-send-email-yang.a.fang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1432925772-117760-3-git-send-email-yang.a.fang@intel.com> References: <1432925772-117760-3-git-send-email-yang.a.fang@intel.com> Cc: alsa-devel@alsa-project.org, srinivas.sripathi@intel.com, vinod.koul@intel.com, praveen.k.jain@intel.com, denny.iriawan@intel.com, "Fang, Yang A" , sathyanarayana.nujella@intel.com, kevin.strasser@linux.intel.com, dgreid@chromium.org Subject: [alsa-devel] [PATCH v4] ASoC: Intel: fixed TI button detection X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: "Fang, Yang A" In order to make TI button interrupt working max98090 codec Need provide mic bias all the time as long as mic is present so SHDN and micbias pin are forced on.we also need set max98090 codec bias close or lower than TI bias.We set them in bios/coreboot kernel reads them from device property Signed-off-by: Fang, Yang A --- sound/soc/intel/boards/cht_bsw_max98090_ti.c | 30 ++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c index 1be0794..d604ee8 100644 --- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c +++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c @@ -101,6 +101,33 @@ static int cht_aif1_hw_params(struct snd_pcm_substream *substream, return 0; } +static int cht_ti_jack_event(struct notifier_block *nb, + unsigned long event, void *data) +{ + + struct snd_soc_jack *jack = (struct snd_soc_jack *)data; + struct snd_soc_dai *codec_dai = jack->card->rtd->codec_dai; + struct snd_soc_codec *codec = codec_dai->codec; + + if (event & SND_JACK_MICROPHONE) { + + snd_soc_dapm_force_enable_pin(&codec->dapm, "SHDN"); + snd_soc_dapm_force_enable_pin(&codec->dapm, "MICBIAS"); + snd_soc_dapm_sync(&codec->dapm); + } else { + + snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS"); + snd_soc_dapm_disable_pin(&codec->dapm, "SHDN"); + snd_soc_dapm_sync(&codec->dapm); + } + + return 0; +} + +static struct notifier_block cht_jack_nb = { + .notifier_call = cht_ti_jack_event, +}; + static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) { int ret; @@ -130,6 +157,9 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) return ret; } + if (ctx->ts3a227e_present) + snd_soc_jack_notifier_register(jack, &cht_jack_nb); + return ret; }