From patchwork Tue May 26 23:58:06 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: 6486371 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 85470C0020 for ; Wed, 27 May 2015 00:00:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9B1A4206DC for ; Wed, 27 May 2015 00:00:14 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 4E910206D6 for ; Wed, 27 May 2015 00:00:13 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 3C6B22658B7; Wed, 27 May 2015 02:00:12 +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 5136B2657F6; Wed, 27 May 2015 01:59:12 +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 57D3F2656F6; Wed, 27 May 2015 01:59:09 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by alsa0.perex.cz (Postfix) with ESMTP id D355D2656F6 for ; Wed, 27 May 2015 01:58:59 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 26 May 2015 16:58:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,502,1427785200"; d="scan'208";a="700654088" Received: from mocha.sc.intel.com ([143.183.245.87]) by orsmga001.jf.intel.com with ESMTP; 26 May 2015 16:58:55 -0700 From: yang.a.fang@intel.com To: broonie@kernel.org, lgirdwood@gmail.com Date: Tue, 26 May 2015 16:58:06 -0700 Message-Id: <1432684686-14460-3-git-send-email-yang.a.fang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1432684686-14460-1-git-send-email-yang.a.fang@intel.com> References: <1432684686-14460-1-git-send-email-yang.a.fang@intel.com> Cc: alsa-devel@alsa-project.org, srinivas.sripathi@intel.com, "Fang, Yang A" , praveen.k.jain@intel.com, denny.iriawan@intel.com, sathyanarayana.nujella@intel.com, kevin.strasser@linux.intel.com, dgreid@chromium.org Subject: [alsa-devel] [PATCH 3/3] 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 | 41 ++++++++++++++++++++++++++ 1 file changed, 41 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..8ef947f 100644 --- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c +++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c @@ -101,6 +101,44 @@ 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; + int pin_status; + + if (event & SND_JACK_MICROPHONE) { + + pin_status = snd_soc_dapm_get_pin_status(&codec->dapm, "SHDN"); + + if (!pin_status) + 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_sync(&codec->dapm); + /** + * SHDN is max980090 shutdown pin we can not disable + * it in case we are in the middle of playabck or record + * we mark it unlock only so dapm will take care of it + * next time + */ + snd_soc_dapm_disable_pin_unlocked(&codec->dapm, "SHDN"); + } + + 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 +168,9 @@ 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; }