From patchwork Tue May 23 15:12:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herve Codina X-Patchwork-Id: 13252518 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 15E03C7EE26 for ; Tue, 23 May 2023 15:16:16 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 2B20286E; Tue, 23 May 2023 17:15:24 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 2B20286E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1684854974; bh=Q3Tagmkm9x49TqXtMJXK2UPLv+r91Z8Cc0MknZnDSRo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=akFwme99EIRPTHFS47jOtKvNSCqx1A51chw9K1uzMrzmqCuMAwTwOCUllOjWqjx7/ rmvz+RZrsG8tELnzRS1PPD+LzS6ynfJNGhi2borrGv6q+PLN+Xbgp3NZTdMu3AiAkY pgJFT2BKv/dmNZ49b9gksTur346hEJvawgOE3XIo= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5DE2CF805E0; Tue, 23 May 2023 17:13:07 +0200 (CEST) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 8ECF3F805DF; Tue, 23 May 2023 17:13:06 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 66F13F805C4; Tue, 23 May 2023 17:13:03 +0200 (CEST) Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 8CF9AF805AA for ; Tue, 23 May 2023 17:12:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 8CF9AF805AA Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=bootlin.com header.i=@bootlin.com header.a=rsa-sha256 header.s=gm1 header.b=IZBvW7uf Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id A8BFCC0002; Tue, 23 May 2023 15:12:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1684854776; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rIgj9hYW8BvuR/TDsfHXr8sG/1TWuLwG/JP4/jjJtyQ=; b=IZBvW7ufNfmBKRdFYU2zKdQY3poFbD6ku8VIEy0wSJzRFfUMQ0lvdQcbQgs2nS17SfIzAJ tLUjKVqr/RSK7nBgjE3CoOTiMCIp0G/fRadFVnuY0keir3Y0Zu9X3iHCw/YGNgrnIad82L Eqx7GWI1MMPrNJMmDBI/VGXLaDqO6NWhIpdOJsFyMSEZ4+GmP+nUdTb9p+/bWwEBhDC9sG Ym5KhIssszuqIewM+VlX8ZKrLKhStOhiN6uZQfi4yIfw7GzyClaK76oKoB/XSHOO77k4jk HPX5OOXyOts4LDfxRTS1ssBs0dqdxpb0dYgCQz9/mueuDAEHgZRj9BZ4vHYvow== From: Herve Codina To: Herve Codina , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Cameron , Lars-Peter Clausen , Jaroslav Kysela , Takashi Iwai , Kuninori Morimoto Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Christophe Leroy , Thomas Petazzoni Subject: [PATCH v2 9/9] ASoC: simple-card: Handle additional devices Date: Tue, 23 May 2023 17:12:23 +0200 Message-Id: <20230523151223.109551-10-herve.codina@bootlin.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230523151223.109551-1-herve.codina@bootlin.com> References: <20230523151223.109551-1-herve.codina@bootlin.com> MIME-Version: 1.0 Message-ID-Hash: XF4R46IGI7VPPGCNOKAR6WX6AYY3F5LL X-Message-ID-Hash: XF4R46IGI7VPPGCNOKAR6WX6AYY3F5LL X-MailFrom: herve.codina@bootlin.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: An additional-devs subnode can be present in the simple-card top node. This subnode is used to declared some "virtual" additional devices. Create related devices from this subnode and avoid this subnode presence to interfere with the already supported subnodes analysis. Signed-off-by: Herve Codina --- sound/soc/generic/simple-card.c | 52 +++++++++++++++++++++++++++++++-- 1 file changed, 50 insertions(+), 2 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 5a5e4ecd0f61..4992ab433d6a 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -348,6 +348,7 @@ static int __simple_for_each_link(struct asoc_simple_priv *priv, struct device *dev = simple_priv_to_dev(priv); struct device_node *top = dev->of_node; struct device_node *node; + struct device_node *add_devs; uintptr_t dpcm_selectable = (uintptr_t)of_device_get_match_data(dev); bool is_top = 0; int ret = 0; @@ -359,6 +360,8 @@ static int __simple_for_each_link(struct asoc_simple_priv *priv, is_top = 1; } + add_devs = of_get_child_by_name(top, PREFIX "additional-devs"); + /* loop for all dai-link */ do { struct asoc_simple_data adata; @@ -367,6 +370,12 @@ static int __simple_for_each_link(struct asoc_simple_priv *priv, struct device_node *np; int num = of_get_child_count(node); + /* Skip additional-devs node */ + if (node == add_devs) { + node = of_get_next_child(top, node); + continue; + } + /* get codec */ codec = of_get_child_by_name(node, is_top ? PREFIX "codec" : "codec"); @@ -380,12 +389,15 @@ static int __simple_for_each_link(struct asoc_simple_priv *priv, /* get convert-xxx property */ memset(&adata, 0, sizeof(adata)); - for_each_child_of_node(node, np) + for_each_child_of_node(node, np) { + if (np == add_devs) + continue; simple_parse_convert(dev, np, &adata); + } /* loop for all CPU/Codec node */ for_each_child_of_node(node, np) { - if (plat == np) + if (plat == np || add_devs == np) continue; /* * It is DPCM @@ -428,6 +440,7 @@ static int __simple_for_each_link(struct asoc_simple_priv *priv, } while (!is_top && node); error: + of_node_put(add_devs); of_node_put(node); return ret; } @@ -652,6 +665,36 @@ static int simple_soc_probe(struct snd_soc_card *card) return 0; } +static void simple_populate_aux_release(struct device *dev, void *res) +{ + of_platform_depopulate(*(struct device **)res); +} + +static int simple_populate_aux(struct asoc_simple_priv *priv) +{ + struct device *dev = simple_priv_to_dev(priv); + struct device_node *node; + struct device **ptr; + int ret; + + node = of_get_child_by_name(dev->of_node, PREFIX "additional-devs"); + if (!node) + return 0; + + ptr = devres_alloc(simple_populate_aux_release, sizeof(*ptr), GFP_KERNEL); + if (!ptr) + return -ENOMEM; + + ret = of_platform_populate(node, NULL, NULL, dev); + if (ret) { + devres_free(ptr); + } else { + *ptr = dev; + devres_add(dev, ptr); + } + return ret; +} + static int asoc_simple_probe(struct platform_device *pdev) { struct asoc_simple_priv *priv; @@ -688,6 +731,11 @@ static int asoc_simple_probe(struct platform_device *pdev) return ret; if (np && of_device_is_available(np)) { + ret = simple_populate_aux(priv); + if (ret < 0) { + dev_err_probe(dev, ret, "populate aux error\n"); + goto err; + } ret = simple_parse_of(priv, li); if (ret < 0) {