From patchwork Fri Jan 16 17:16:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 5649651 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 453A2C058D for ; Fri, 16 Jan 2015 17:18:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6734D20353 for ; Fri, 16 Jan 2015 17:17:59 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 2D2A320251 for ; Fri, 16 Jan 2015 17:17:58 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 440262656F6; Fri, 16 Jan 2015 18:17:57 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org 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 B750126049A; Fri, 16 Jan 2015 18:16:58 +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 87546260474; Fri, 16 Jan 2015 18:16:55 +0100 (CET) Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by alsa0.perex.cz (Postfix) with ESMTP id 097B126043C for ; Fri, 16 Jan 2015 18:16:47 +0100 (CET) Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D900AADB1; Fri, 16 Jan 2015 17:16:46 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Fri, 16 Jan 2015 18:16:42 +0100 Message-Id: <1421428603-6739-4-git-send-email-tiwai@suse.de> X-Mailer: git-send-email 2.2.1 In-Reply-To: <1421428603-6739-1-git-send-email-tiwai@suse.de> References: <1421428603-6739-1-git-send-email-tiwai@suse.de> Cc: Pavel Hofman Subject: [alsa-devel] [PATCH 3/4] ALSA: ak411x: Add PM helper functions 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 Define snd_ak4114_suspend() and snd_ak4114_resume() functions to handle PM properly, stopping and restarting the work at PM. Currently only ice1712/juli.c deals with the PM and ak4114, so fix the calls there appropriately. The same PM functions are defined in ak4113.c, too, although they aren't currently called yet (ice1712/quartet.c may be enhanced to support PM later). Signed-off-by: Takashi Iwai --- include/sound/ak4113.h | 8 ++++++++ include/sound/ak4114.h | 8 ++++++++ sound/i2c/other/ak4113.c | 16 ++++++++++++++++ sound/i2c/other/ak4114.c | 16 ++++++++++++++++ sound/pci/ice1712/juli.c | 4 +++- 5 files changed, 51 insertions(+), 1 deletion(-) diff --git a/include/sound/ak4113.h b/include/sound/ak4113.h index 3a34f6edc2d1..f4fbf6888e78 100644 --- a/include/sound/ak4113.h +++ b/include/sound/ak4113.h @@ -317,5 +317,13 @@ int snd_ak4113_build(struct ak4113 *ak4113, int snd_ak4113_external_rate(struct ak4113 *ak4113); int snd_ak4113_check_rate_and_errors(struct ak4113 *ak4113, unsigned int flags); +#ifdef CONFIG_PM +void snd_ak4113_suspend(struct ak4113 *chip); +void snd_ak4113_resume(struct ak4113 *chip); +#else +static inline void snd_ak4113_suspend(struct ak4113 *chip) {} +static inline void snd_ak4113_resume(struct ak4113 *chip) {} +#endif + #endif /* __SOUND_AK4113_H */ diff --git a/include/sound/ak4114.h b/include/sound/ak4114.h index 069299a88915..e681df2c95e1 100644 --- a/include/sound/ak4114.h +++ b/include/sound/ak4114.h @@ -199,5 +199,13 @@ int snd_ak4114_build(struct ak4114 *ak4114, int snd_ak4114_external_rate(struct ak4114 *ak4114); int snd_ak4114_check_rate_and_errors(struct ak4114 *ak4114, unsigned int flags); +#ifdef CONFIG_PM +void snd_ak4114_suspend(struct ak4114 *chip); +void snd_ak4114_resume(struct ak4114 *chip); +#else +static inline void snd_ak4114_suspend(struct ak4114 *chip) {} +static inline void snd_ak4114_resume(struct ak4114 *chip) {} +#endif + #endif /* __SOUND_AK4114_H */ diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c index c6bba99a90b2..c2b14d981fa1 100644 --- a/sound/i2c/other/ak4113.c +++ b/sound/i2c/other/ak4113.c @@ -636,3 +636,19 @@ static void ak4113_stats(struct work_struct *work) if (atomic_dec_and_test(&chip->wq_processing)) schedule_delayed_work(&chip->work, HZ / 10); } + +#ifdef CONFIG_PM +void snd_ak4113_suspend(struct ak4113 *chip) +{ + atomic_inc(&chip->wq_processing); /* don't schedule new work */ + cancel_delayed_work_sync(&chip->work); +} +EXPORT_SYMBOL(snd_ak4113_suspend); + +void snd_ak4113_resume(struct ak4113 *chip) +{ + atomic_dec(&chip->wq_processing); + snd_ak4113_reinit(chip); +} +EXPORT_SYMBOL(snd_ak4113_resume); +#endif diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index f6ee1e7a9bbd..ee639f57b664 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -621,3 +621,19 @@ static void ak4114_stats(struct work_struct *work) if (atomic_dec_and_test(&chip->wq_processing)) schedule_delayed_work(&chip->work, HZ / 10); } + +#ifdef CONFIG_PM +void snd_ak4114_suspend(struct ak4114 *chip) +{ + atomic_inc(&chip->wq_processing); /* don't schedule new work */ + cancel_delayed_work_sync(&chip->work); +} +EXPORT_SYMBOL(snd_ak4114_suspend); + +void snd_ak4114_resume(struct ak4114 *chip) +{ + atomic_dec(&chip->wq_processing); + snd_ak4114_reinit(chip); +} +EXPORT_SYMBOL(snd_ak4114_resume); +#endif diff --git a/sound/pci/ice1712/juli.c b/sound/pci/ice1712/juli.c index a1536c1a7ed4..4f0213427152 100644 --- a/sound/pci/ice1712/juli.c +++ b/sound/pci/ice1712/juli.c @@ -491,15 +491,17 @@ static int juli_resume(struct snd_ice1712 *ice) /* akm4358 un-reset, un-mute */ snd_akm4xxx_reset(ak, 0); /* reinit ak4114 */ - snd_ak4114_reinit(spec->ak4114); + snd_ak4114_resume(spec->ak4114); return 0; } static int juli_suspend(struct snd_ice1712 *ice) { struct snd_akm4xxx *ak = ice->akm; + struct juli_spec *spec = ice->spec; /* akm4358 reset and soft-mute */ snd_akm4xxx_reset(ak, 1); + snd_ak4114_suspend(spec->ak4114); return 0; } #endif