From patchwork Tue Jun 22 01:14:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuninori Morimoto X-Patchwork-Id: 465938 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A12B4C4743C for ; Tue, 22 Jun 2021 01:16:35 +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 C9B6060FD8 for ; Tue, 22 Jun 2021 01:16:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9B6060FD8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@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 75AC616AE; Tue, 22 Jun 2021 03:15:43 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 75AC616AE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1624324593; bh=JyFjV984f2d2MOfITi8dgfEiInUYw6Rvz0f5awjrZZA=; h=Date:From:Subject:To:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ixvz7VOsHYWqX2M4DethtQntwOYbJWaPVlUYpFXoa4B+/64w9/L2b1ikBeYjImHdy yO1b9LTKItZljCRdEJtoVJ8AO8HLpv3uuNIvh0WoS/1WojRWjixJa6O8lZiW8gfYQ+ LIn73NYIbHH1QtpU9yLzetbHkiGE2avDdR4XmEXE= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 28CBAF804E7; Tue, 22 Jun 2021 03:14:41 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E2FEDF804EB; Tue, 22 Jun 2021 03:14:39 +0200 (CEST) Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by alsa1.perex.cz (Postfix) with ESMTP id 43A4FF804E6 for ; Tue, 22 Jun 2021 03:14:37 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 43A4FF804E6 Date: 22 Jun 2021 10:14:35 +0900 X-IronPort-AV: E=Sophos;i="5.83,290,1616425200"; d="scan'208";a="85109224" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 22 Jun 2021 10:14:35 +0900 Received: from mercury.renesas.com (unknown [10.166.252.133]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 8B6FD400D0CE; Tue, 22 Jun 2021 10:14:35 +0900 (JST) Message-ID: <87v9663dl0.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto Subject: [PATCH RFC 04/15] ASoC: simple-card-utils: add asoc_graph_is_ports0() User-Agent: Wanderlust/2.15.9 Emacs/26.3 Mule/6.0 To: Mark Brown , Rob Herring In-Reply-To: <871r8u4s6q.wl-kuninori.morimoto.gx@renesas.com> References: <871r8u4s6q.wl-kuninori.morimoto.gx@renesas.com> MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Cc: Linux-ALSA 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" From: Kuninori Morimoto audio-graph-card2 will support DPCM/Multi/Codec2Codec, and these will use almost same DT settings which uses ports0 and ports1. This patch adds asoc_graph_is_ports0() which checks port is under port0 or not. Signed-off-by: Kuninori Morimoto --- include/sound/simple_card_utils.h | 1 + sound/soc/generic/simple-card-utils.c | 28 +++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h index 51b3b485a92e..520559b0a336 100644 --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -180,6 +180,7 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv, int asoc_simple_remove(struct platform_device *pdev); int asoc_graph_card_probe(struct snd_soc_card *card); +int asoc_graph_is_ports0(struct device_node *port); #ifdef DEBUG static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv, diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 677f7da93b4b..31802b15afd4 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -759,6 +759,34 @@ int asoc_graph_card_probe(struct snd_soc_card *card) } EXPORT_SYMBOL_GPL(asoc_graph_card_probe); +int asoc_graph_is_ports0(struct device_node *np) +{ + struct device_node *port, *ports, *ports0, *top; + int ret; + + /* np is "endpoint" or "port" */ + if (of_node_name_eq(np, "endpoint")) { + port = of_get_parent(np); + } else { + port = np; + of_node_get(port); + } + + ports = of_get_parent(port); + top = of_get_parent(ports); + ports0 = of_get_child_by_name(top, "ports"); + + ret = ports0 == ports; + + of_node_put(port); + of_node_put(ports); + of_node_put(ports0); + of_node_put(top); + + return ret; +} +EXPORT_SYMBOL_GPL(asoc_graph_is_ports0); + /* Module information */ MODULE_AUTHOR("Kuninori Morimoto "); MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");