From patchwork Fri Feb 6 06:40:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jie, Yang" X-Patchwork-Id: 5788921 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 D05579F336 for ; Fri, 6 Feb 2015 06:38:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A7C92201BB for ; Fri, 6 Feb 2015 06:38:21 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id F27A2201B4 for ; Fri, 6 Feb 2015 06:38:19 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id F1A52260622; Fri, 6 Feb 2015 07:38:17 +0100 (CET) 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 9211626059D; Fri, 6 Feb 2015 07:38:10 +0100 (CET) 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 2C65B260592; Fri, 6 Feb 2015 07:38:08 +0100 (CET) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by alsa0.perex.cz (Postfix) with ESMTP id AC237260592 for ; Fri, 6 Feb 2015 07:38:02 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP; 05 Feb 2015 22:34:24 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,528,1418112000"; d="scan'208";a="662373361" Received: from keyon-u1310.sh.intel.com ([10.239.13.15]) by fmsmga001.fm.intel.com with ESMTP; 05 Feb 2015 22:37:56 -0800 From: Jie Yang To: broonie@kernel.org Date: Fri, 6 Feb 2015 14:40:00 +0800 Message-Id: <1423204800-6448-1-git-send-email-yang.jie@intel.com> X-Mailer: git-send-email 1.9.1 Cc: alsa-devel@alsa-project.org, liam.r.girdwood@intel.com Subject: [alsa-devel] [PATCH v3] ASoC: rt286: add jack detection enable/disable APIs and export 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 Some platforms, e.g. WSB, don't need jack detection when system is in Suspend, for power save reason. Here add jack detection enable/disable APIs and export them, when disabled, it will ignore interrupt, and disable LDO1, which is used for jack detection when headphone is plugged in. Signed-off-by: Jie Yang Reviewed-by: Bard Liao --- sound/soc/codecs/rt286.c | 29 +++++++++++++++++++++++++++++ sound/soc/codecs/rt286.h | 2 ++ 2 files changed, 31 insertions(+) diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index d5cc1bc..1a0c250f 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -402,6 +402,33 @@ int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) } EXPORT_SYMBOL_GPL(rt286_mic_detect); +int rt286_enable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack) +{ + struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); + + if (!jack) + return -EINVAL; + rt286->jack = jack; + if (jack->status | SND_JACK_HEADPHONE) + snd_soc_dapm_force_enable_pin(&rt286->codec->dapm, "LDO1"); + snd_soc_dapm_sync(&rt286->codec->dapm); + return 0; +} +EXPORT_SYMBOL_GPL(rt286_enable_jack_detection); + +int rt286_disable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack) +{ + struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec); + + if (!jack) + return -EINVAL; + rt286->jack = NULL; + snd_soc_dapm_disable_pin(&rt286->codec->dapm, "LDO1"); + snd_soc_dapm_sync(&rt286->codec->dapm); + return 0; +} +EXPORT_SYMBOL_GPL(rt286_disable_jack_detection); + static int is_mclk_mode(struct snd_soc_dapm_widget *source, struct snd_soc_dapm_widget *sink) { @@ -1012,6 +1039,8 @@ static irqreturn_t rt286_irq(int irq, void *data) bool mic = false; int status = 0; + if (!rt286->jack) + return IRQ_HANDLED; rt286_jack_detect(rt286, &hp, &mic); /* Clear IRQ */ diff --git a/sound/soc/codecs/rt286.h b/sound/soc/codecs/rt286.h index 7130edb..d793185 100644 --- a/sound/soc/codecs/rt286.h +++ b/sound/soc/codecs/rt286.h @@ -200,6 +200,8 @@ enum { }; int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack); +int rt286_enable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack); +int rt286_disable_jack_detection(struct snd_soc_codec *codec, struct snd_soc_jack *jack); #endif /* __RT286_H__ */