From patchwork Sat Apr 30 13:41:48 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: 12833259 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 6F61AC433F5 for ; Sat, 30 Apr 2022 13:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241993AbiD3NpR (ORCPT ); Sat, 30 Apr 2022 09:45:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231572AbiD3NpR (ORCPT ); Sat, 30 Apr 2022 09:45:17 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CE983A5C0; Sat, 30 Apr 2022 06:41:55 -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 dfw.source.kernel.org (Postfix) with ESMTPS id A2B6860EB9; Sat, 30 Apr 2022 13:41:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0B8E6C385A7; Sat, 30 Apr 2022 13:41:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651326114; bh=tqVXu6g9oh/W80TNZwCI08nLQ3wJ9C50shdsYteF9Wk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cb3YOJLytublE7wGW2KxxKiBXvgND1jxCpgihm/fRJWShxCwNNy8GbV5pg0ZWUz1F usDbmllk91NQ1SDqP+Wg+5aaj7u0qE4gneSvSFmgNoLl5bFdHv+GUAWfit0rS2BzJB cTs9YnMu4x9ZowvhBvm3fZW58SWTG1P+bW7T4pEfkVTGpCLVwg8fdtvOykn4uYO8ej PHnQFjFdRZ+FyellvBvwi+DrArmU5sQbIJc1weosrPL7HFDuV+SJ7qJbY6qLDZJxyl gYWYpTSlcFbWKxXYdQjfSWXGLRIZHI1qOtfPll3BC1vzREj89ROC9AsbnHbB6hy1f6 y4Vlu/Tc2bP9A== Received: from mchehab by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1nknM6-001nsj-Ji; Sat, 30 Apr 2022 14:41:50 +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 v3 2/2] ALSA: hda - identify when audio is provided by a video driver Date: Sat, 30 Apr 2022 14:41:48 +0100 Message-Id: <6b5f1e2cec0137d5aab089a7e7497972ff5addb1.1651326000.git.mchehab@kernel.org> 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 Reported-by: kernel test robot Reported-by: kernel test robot --- See [PATCH v3 0/2] at: https://lore.kernel.org/all/cover.1651326000.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; }