From patchwork Mon May 9 16:23:39 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: 12843836 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 2407CC433FE for ; Mon, 9 May 2022 16:23:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239020AbiEIQ1m (ORCPT ); Mon, 9 May 2022 12:27:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239019AbiEIQ1l (ORCPT ); Mon, 9 May 2022 12:27:41 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F86B2689D7; Mon, 9 May 2022 09:23:46 -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 sin.source.kernel.org (Postfix) with ESMTPS id D045DCE1A16; Mon, 9 May 2022 16:23:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 03D9AC385B1; Mon, 9 May 2022 16:23:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652113423; bh=mdAPNlLnOrv84PSoSJSxXEtEdCuj0qy2zCvHlvJ5Njo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mi2544dS7YM1A/FSFwFeIwBDZblvgLsGSEpCwm+trqSAnt8wy5S5Qxto9Wur2y4tO 9cpkOftKBmZiVgPD7AYJPlCh5bucJIreuaqYsH3amUCE4IdKRG42FKL04zCcjwSABg F/ii55iELg27DEEsp+767f5ls63aiwURAJEdXjUDQkwnfs/cq02uiDDSuY8Gu0wllF EBzhbG4bWuU3xbaBtlYBCpHP6pWPpDqzbDXEBoFUOuZMg2SLH5sMo34M8upZFsdEOv NBny6sycMAKpOlw1elPGs+06j0/ruIgmMXZbHNPxazEsK7iM72JdgdhjyPu/Wyvvco 88LhlYqi4D5jg== Received: from mchehab by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1no6Ae-006xVb-Lo; Mon, 09 May 2022 18:23:40 +0200 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, Takashi Iwai Subject: [PATCH v6 4/4] ALSA: hda - identify when audio is provided by a video driver Date: Mon, 9 May 2022 18:23:39 +0200 Message-Id: X-Mailer: git-send-email 2.35.3 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. Reviewed-by: Takashi Iwai Signed-off-by: Mauro Carvalho Chehab Acked-by: Daniel Vetter --- See [PATCH v6 0/4] at: https://lore.kernel.org/all/cover.1652113087.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..7789873ddf47 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_owner(acomp->ops->owner, dev->driver->owner)) { ret = -ENODEV; goto out_unbind; }