From patchwork Tue Feb 18 15:22:26 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 3672941 X-Patchwork-Delegate: broonie@sirena.org.uk 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 388D7BF13A for ; Tue, 18 Feb 2014 15:40:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4611F20221 for ; Tue, 18 Feb 2014 15:40:12 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id DF32C20212 for ; Tue, 18 Feb 2014 15:40:10 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 17E71265656; Tue, 18 Feb 2014 16:40:08 +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=1.0 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 2DC5D2655E3; Tue, 18 Feb 2014 16:34:12 +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 7D5862654E7; Tue, 18 Feb 2014 16:34:07 +0100 (CET) Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id A36462654ED for ; Tue, 18 Feb 2014 16:31:05 +0100 (CET) Received: from localhost.localdomain (unknown [87.246.78.26]) by opensource.wolfsonmicro.com (Postfix) with ESMTPSA id 270043B4104; Tue, 18 Feb 2014 15:31:03 +0000 (GMT) From: Charles Keepax To: broonie@kernel.org Date: Tue, 18 Feb 2014 15:22:26 +0000 Message-Id: <1392736948-26623-16-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1392736948-26623-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1392736948-26623-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Cc: alsa-devel@alsa-project.org, lars@metafoo.de, eric.y.miao@gmail.com, dmitry.torokhov@gmail.com, lgirdwood@gmail.com, haojian.zhuang@gmail.com, linux-kernel@vger.kernel.org, peter.ujfalusi@ti.com, cw00.choi@samsung.com, myungjoo.ham@samsung.com, patches@opensource.wolfsonmicro.com, linux@arm.linux.org.uk, jarkko.nikula@bitmer.com Subject: [alsa-devel] [PATCH 15/17 v2] ASoC: pxa: magician: Update locking around use of DAPM pin API 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-Spam-Level: * X-Virus-Scanned: ClamAV using ClamSMTP The pin updates in this driver look like they are intended to be done atomically, update to do so. Signed-off-by: Charles Keepax --- sound/soc/pxa/magician.c | 22 +++++++++++++--------- 1 files changed, 13 insertions(+), 9 deletions(-) diff --git a/sound/soc/pxa/magician.c b/sound/soc/pxa/magician.c index aace19e..31242be 100644 --- a/sound/soc/pxa/magician.c +++ b/sound/soc/pxa/magician.c @@ -45,27 +45,31 @@ static void magician_ext_control(struct snd_soc_codec *codec) { struct snd_soc_dapm_context *dapm = &codec->dapm; + snd_soc_dapm_mutex_lock(dapm); + if (magician_spk_switch) - snd_soc_dapm_enable_pin(dapm, "Speaker"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker"); else - snd_soc_dapm_disable_pin(dapm, "Speaker"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker"); if (magician_hp_switch) - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack"); else - snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack"); switch (magician_in_sel) { case MAGICIAN_MIC: - snd_soc_dapm_disable_pin(dapm, "Headset Mic"); - snd_soc_dapm_enable_pin(dapm, "Call Mic"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Mic"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Call Mic"); break; case MAGICIAN_MIC_EXT: - snd_soc_dapm_disable_pin(dapm, "Call Mic"); - snd_soc_dapm_enable_pin(dapm, "Headset Mic"); + snd_soc_dapm_disable_pin_unlocked(dapm, "Call Mic"); + snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Mic"); break; } - snd_soc_dapm_sync(dapm); + snd_soc_dapm_sync_unlocked(dapm); + + snd_soc_dapm_mutex_unlock(dapm); } static int magician_startup(struct snd_pcm_substream *substream)