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: 12833365 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48E9EC433FE for ; Sat, 30 Apr 2022 17:10:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243394AbiD3ROS (ORCPT ); Sat, 30 Apr 2022 13:14:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35280 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243363AbiD3ROR (ORCPT ); Sat, 30 Apr 2022 13:14:17 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52103101D3; Sat, 30 Apr 2022 10:10:55 -0700 (PDT) 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 5DEA0B8077E; 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 Cc: Mauro Carvalho Chehab , "Daniel Vetter" , "David Airlie" , "Greg KH" , "Jaroslav Kysela" , "Kai Vehmanen" , "Lucas De Marchi" , "Pierre-Louis Bossart" , "Takashi Iwai" , alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, mauro.chehab@linux.intel.com 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 Precedence: bulk List-ID: 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; }