From patchwork Sat Apr 30 17:10:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12833370 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id E5011C433EF for ; Sat, 30 Apr 2022 17:11:51 +0000 (UTC) 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 3FC691FE; Sat, 30 Apr 2022 19:10:59 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3FC691FE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1651338709; bh=7Q7phQTT380eAyC4pna502Skfk1vzTEtTNmA1K869r0=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=mTNUPe6fnlulWTwfOLxdAB3+Q5zOlfjZmkbq+NX3mhZ/fRiIHIZ0Z1zIunPM4FtUN U8iV3lZj1LUS0Dy21kJn3SdYF4k6BQXlF3tbp2W4MWNxfC3E56v+KBrHwUhJZqJBbC Qk2kjMTMcYJn+33sF3TZvocEy/tR86wjq2kD/5qs= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BB4BDF80125; Sat, 30 Apr 2022 19:10:58 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 387AFF8016E; Sat, 30 Apr 2022 19:10:57 +0200 (CEST) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id BE079F8012A for ; Sat, 30 Apr 2022 19:10:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz BE079F8012A Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lmhHSkgN" Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2229CB800E2; Sat, 30 Apr 2022 17:10:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C82E2C385AC; Sat, 30 Apr 2022 17:10:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651338651; bh=7Q7phQTT380eAyC4pna502Skfk1vzTEtTNmA1K869r0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lmhHSkgN6SJu7W4wB+ucUrBjvZo8z0l460AEAQjsgfNd5JfX2DEAsTn3S6Uvo0yAq 0zn9heKMP4uN52wwlOMVgMS+pfaWDa52qGhz4X/UQIFoRv/uWtLMPNlcVI/oM5pwDu gFqP84DWRdqCWqWZ9qRcTvL3nXuC7RU61QBlmL7SsaSr8rUkVtLuFccLFuDfXg4Px3 /X0tCjMBYgIFeDBrIrlELcr/CScCik3+ha5rPRf4nBnX+v5vjjs08w4LIe28IA7GgV zz8Xqo3X+OTqjh4Jv9ZNNNjCzMNYjV0ie6/NkGGP8tpWTpeIGtrGkAopcmZadVKO9z UaIdwvKJ/y8RQ== Received: from mchehab by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1nkqcJ-001tIM-D5; Sat, 30 Apr 2022 18:10:47 +0100 From: Mauro Carvalho Chehab To: Luis Chamberlain Subject: [PATCH v4 2/2] ALSA: hda - identify when audio is provided by a video driver Date: Sat, 30 Apr 2022 18:10:46 +0100 Message-Id: X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, mauro.chehab@linux.intel.com, David Airlie , Greg KH , intel-gfx@lists.freedesktop.org, Lucas De Marchi , Takashi Iwai , dri-devel@lists.freedesktop.org, Kai Vehmanen , linux-modules@vger.kernel.org, Daniel Vetter , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Pierre-Louis Bossart 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 some devices, the hda driver needs to hook into a video driver, in order to be able to properly access the audio hardware and/or the power management function. That's the case of several snd_hda_intel devices that depends on i915 driver. Ensure that a proper reference between the snd-hda driver needing such binding is shown at /proc/modules, in order to allow userspace to know about such binding. Signed-off-by: Mauro Carvalho Chehab --- See [PATCH v4 0/2] at: https://lore.kernel.org/all/cover.1651338466.git.mchehab@kernel.org/ sound/hda/hdac_component.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/hda/hdac_component.c b/sound/hda/hdac_component.c index bb37e7e0bd79..30e130457272 100644 --- a/sound/hda/hdac_component.c +++ b/sound/hda/hdac_component.c @@ -199,7 +199,7 @@ static int hdac_component_master_bind(struct device *dev) } /* pin the module to avoid dynamic unbinding, but only if given */ - if (!try_module_get(acomp->ops->owner)) { + if (!__try_module_get(acomp->ops->owner, dev->driver->owner)) { ret = -ENODEV; goto out_unbind; }