From patchwork Wed Oct 6 16:18:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brent Lu X-Patchwork-Id: 12539729 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EADD9C433F5 for ; Wed, 6 Oct 2021 16:25:12 +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 61D1F610E5 for ; Wed, 6 Oct 2021 16:25:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 61D1F610E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=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 CE0AF83A; Wed, 6 Oct 2021 18:24:20 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz CE0AF83A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1633537510; bh=M9pBZ2i3661yZ6JJHEIP+KXk6XRYietBl0/XSFsupFw=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=GESgOwyopuJzXFphR5X4YrytK51o0fh/k9dFVmb9JMwG7eLBNsEQ4FU3+U8MiXUHE kyp0aHQNIec2eUaF+cY1ddQ3057YlbkTAKH3aU8IbeJsI7UKsJx0ViP3D8K3GOr1Pi 5Akx1N8qOt2DYdJ8wUA/bj1WH8bGV19PT/hopxZA= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 64E5CF8025C; Wed, 6 Oct 2021 18:24:20 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id D4FA7F802D2; Wed, 6 Oct 2021 18:24:18 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id A2103F800FE for ; Wed, 6 Oct 2021 18:24:10 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz A2103F800FE X-IronPort-AV: E=McAfee;i="6200,9189,10129"; a="249316638" X-IronPort-AV: E=Sophos;i="5.85,352,1624345200"; d="scan'208";a="249316638" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Oct 2021 09:20:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,352,1624345200"; d="scan'208";a="657046626" Received: from brentlu-brix.itwn.intel.com ([10.5.253.56]) by orsmga005.jf.intel.com with ESMTP; 06 Oct 2021 09:20:05 -0700 From: Brent Lu To: alsa-devel@alsa-project.org Subject: [PATCH 1/3] ASoC: soc-acpi: add alternative id field for machine driver matching Date: Thu, 7 Oct 2021 00:18:03 +0800 Message-Id: <20211006161805.938950-2-brent.lu@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211006161805.938950-1-brent.lu@intel.com> References: <20211006161805.938950-1-brent.lu@intel.com> MIME-Version: 1.0 Cc: Guennadi Liakhovetski , Cezary Rojewski , Jie Yang , Rander Wang , Mac Chiang , Gongjun Song , Bard Liao , Takashi Iwai , Pierre-Louis Bossart , Vamshi Krishna Gopal , Yong Zhi , Charles Keepax , Hans de Goede , Mark Brown , Paul Olaru , Brent Lu , Libin Yang , Malik_Hsu , Kai Vehmanen , Liam Girdwood , linux-kernel@vger.kernel.org, Curtis Malainey 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" Current design to support second headphone driver in the same machine driver is to duplicate the entries in snd_soc_acpi_mach array and board configs in machine driver. We can avoid this by adding an id_alt field in snd_soc_acpi_mach structure to specify alternative ACPI HIDs for machine driver enumeration and leave the codec type detection to machine driver if necessary. Signed-off-by: Brent Lu --- include/sound/soc-acpi.h | 2 ++ sound/soc/soc-acpi.c | 21 ++++++++++++++++++++- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h index 2f3fa385c092..fcf6bae9f9d7 100644 --- a/include/sound/soc-acpi.h +++ b/include/sound/soc-acpi.h @@ -129,6 +129,7 @@ struct snd_soc_acpi_link_adr { * all firmware/topology related fields. * * @id: ACPI ID (usually the codec's) used to find a matching machine driver. + * @id_alt: array of ACPI IDs used as an alternative of id field. * @link_mask: describes required board layout, e.g. for SoundWire. * @links: array of link _ADR descriptors, null terminated. * @drv_name: machine driver name @@ -146,6 +147,7 @@ struct snd_soc_acpi_link_adr { /* Descriptor for SST ASoC machine driver */ struct snd_soc_acpi_mach { const u8 id[ACPI_ID_LEN]; + struct snd_soc_acpi_codecs *id_alt; const u32 link_mask; const struct snd_soc_acpi_link_adr *links; const char *drv_name; diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c index 395229bf5c51..ab67d640c20f 100644 --- a/sound/soc/soc-acpi.c +++ b/sound/soc/soc-acpi.c @@ -8,6 +8,25 @@ #include #include +static bool snd_soc_acpi_id_present(struct snd_soc_acpi_mach *machine) +{ + struct snd_soc_acpi_codecs *id_alt = machine->id_alt; + int i; + + if (acpi_dev_present(machine->id, NULL, -1)) + return true; + + if (id_alt == NULL) + return false; + + for (i = 0; i < id_alt->num_codecs; i++) { + if (acpi_dev_present(id_alt->codecs[i], NULL, -1)) + return true; + } + + return false; +} + struct snd_soc_acpi_mach * snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) { @@ -15,7 +34,7 @@ snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines) struct snd_soc_acpi_mach *mach_alt; for (mach = machines; mach->id[0]; mach++) { - if (acpi_dev_present(mach->id, NULL, -1)) { + if (snd_soc_acpi_id_present(mach) != false) { if (mach->machine_quirk) { mach_alt = mach->machine_quirk(mach); if (!mach_alt)