From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT 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 B0CEAC43387 for ; Mon, 24 Dec 2018 09:02:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7BF712171F for ; Mon, 24 Dec 2018 09:02:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="htnFEDbj"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="NNqUO6r+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725831AbeLXJCf (ORCPT ); Mon, 24 Dec 2018 04:02:35 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:55408 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725267AbeLXJCe (ORCPT ); Mon, 24 Dec 2018 04:02:34 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id CF74160928; Mon, 24 Dec 2018 09:02:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1545642153; bh=sqv/7b07JMffuJ9eCQnJP3l5cw7GMu9D8JvslewsM3U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=htnFEDbjaLhGh7wgqUuMzjbYkf12npMTTlYvmsWBC7jDAMXYvzI0yHNH+KrXTHTTw Fk70QnXd3HCEr6UHt04W7Fx89jJhDjeWIYcXZiXVgxii29RFUKaCS6ccMxp+gA+USL Y9hwZWv5dLul3Rkh5Q3Hfm9I9czajVGYD2bomLWs= Received: from rohkumar-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rohitkr@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 01E95608D4; Mon, 24 Dec 2018 09:02:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1545642152; bh=sqv/7b07JMffuJ9eCQnJP3l5cw7GMu9D8JvslewsM3U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NNqUO6r+O6jJKsPbw1FBb95GeOv6KKjfZcYTzrkRiNOyX0Pa1nDuWLWChz4xUiwQa qCRzS6jR3AqmP54VkHFAoDKGM2yKDu+O6vEz+VUdJt4tA58vg3zPFh5b3Fuj2qc9hf 4IZtxdWU9wwd3LHg98cyqhOfosoz91g07VqhQyqo= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 01E95608D4 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=rohitkr@codeaurora.org From: Rohit kumar To: plai@codeaurora.org, bgoswami@codeaurora.org, asishb@codeaurora.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, rohkumar@qti.qualcomm.com, srinivas.kandagatla@linaro.org Cc: Ajit Pandey , Rohit kumar Subject: [PATCH 1/2] ASoC: soc-core: add snd_soc_of_lookup_component() Date: Mon, 24 Dec 2018 14:32:12 +0530 Message-Id: <1545642133-16120-2-git-send-email-rohitkr@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1545642133-16120-1-git-send-email-rohitkr@codeaurora.org> References: <1545642133-16120-1-git-send-email-rohitkr@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ajit Pandey Soundcard should be registered after all components are registered. Add snd_soc_of_lookup_component() to get component info from device_node. This can be used by machine driver to make sure that card components are registered before calling snd_soc_register_card(). Signed-off-by: Ajit Pandey Signed-off-by: Rohit kumar --- include/sound/soc.h | 1 + sound/soc/soc-core.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/include/sound/soc.h b/include/sound/soc.h index 8ec1de8..dc251fc 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1502,6 +1502,7 @@ int snd_soc_get_dai_name(struct of_phandle_args *args, const char **dai_name); int snd_soc_of_get_dai_name(struct device_node *of_node, const char **dai_name); +struct snd_soc_component *snd_soc_of_lookup_component(struct device_node *np); int snd_soc_of_get_dai_link_codecs(struct device *dev, struct device_node *of_node, struct snd_soc_dai_link *dai_link); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 0462b3e..ab27bc5 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3797,6 +3797,34 @@ int snd_soc_of_get_dai_name(struct device_node *of_node, EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); /* + * snd_soc_of_lookup_component - Lookup component with device node + * @np: device node pointer + * + * This function looks up component based on given of_node + * + * Returns valid component pointer on success and NULL on failure to find one. + */ +struct snd_soc_component *snd_soc_of_lookup_component(struct device_node *np) +{ + struct snd_soc_component *component = NULL; + bool found = false; + + if (!np) + return NULL; + + mutex_lock(&client_mutex); + for_each_component(component) + if (component->dev->of_node == np) { + found = true; + break; + } + mutex_unlock(&client_mutex); + + return found ? component : NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_of_lookup_component); + +/* * snd_soc_of_put_dai_link_codecs - Dereference device nodes in the codecs array * @dai_link: DAI link * -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.