From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7BC5C433ED for ; Tue, 18 May 2021 18:56:02 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B1DF861285 for ; Tue, 18 May 2021 18:56:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B1DF861285 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id BFE7E1729; Tue, 18 May 2021 20:55:09 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz BFE7E1729 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1621364159; bh=itjLv0T7fw348G7dUiVWrEFWTnSEQu0K8l4QVk4X6nE=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=rAwHNXNDKZYzHVIoyi2nWzlAEsR3Ihzabns0MLiRC03KhEVxv+R4TZM2AN3oJUX0X 76T4WMfKRLuVtdXTy8AFQSkkAqX9CfRP/KrJile/PRf8hglg14LlRZah3HCeSKr4Wm RLH76X+wvQsjxxjPYVvnBi3i3L9akzsCtgByEovM= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 377E0F801DB; Tue, 18 May 2021 20:55:09 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9072FF80217; Tue, 18 May 2021 20:55:07 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 610E0F8012C for ; Tue, 18 May 2021 20:55:00 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 610E0F8012C X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 24E70AC87; Tue, 18 May 2021 18:54:55 +0000 (UTC) Date: Tue, 18 May 2021 20:54:55 +0200 Message-ID: From: Takashi Iwai To: Jaroslav Kysela Subject: Re: [PATCH 5/7] ALSA: control: Track in-flight control read/write/tlv accesses In-Reply-To: <90b6bbc4-9e97-6bfd-10a9-ab68aa8935f4@perex.cz> References: <20210518165201.24376-1-tiwai@suse.de> <20210518165201.24376-6-tiwai@suse.de> <90b6bbc4-9e97-6bfd-10a9-ab68aa8935f4@perex.cz> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: Andrey Grodzovsky , alsa-devel@alsa-project.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Tue, 18 May 2021 20:01:33 +0200, Jaroslav Kysela wrote: > > Dne 18. 05. 21 v 18:51 Takashi Iwai napsal(a): > > > +/** > > + * snd_power_sync_ref - wait until the card power_ref is freed > > + * @card: sound card object > > + * > > + * This function is used to synchronize with the pending power_ref being > > + * released. > > + */ > > +void snd_power_sync_ref(struct snd_card *card) > > +{ > > + wait_event(card->power_ref_sleep, !atomic_read(&card->power_ref)); > > +} > > +EXPORT_SYMBOL_GPL(snd_power_sync_ref); > > Perhaps, this function can be inline, too? I thought of that, too. Then maybe core.h needs more inclusion, but it might be worth, yeah. thanks, Takashi