From nobody Sun Apr 12 02:48:26 2026 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 20FBBC00140 for ; Wed, 3 Aug 2022 03:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234867AbiHCDTD (ORCPT ); Tue, 2 Aug 2022 23:19:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232491AbiHCDSw (ORCPT ); Tue, 2 Aug 2022 23:18:52 -0400 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B499D3CBFF for ; Tue, 2 Aug 2022 20:18:47 -0700 (PDT) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 47DF31A3399; Wed, 3 Aug 2022 05:18:46 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 1A8011A37D8; Wed, 3 Aug 2022 05:18:46 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 9C4E1180031C; Wed, 3 Aug 2022 11:18:44 +0800 (+08) From: Shengjiu Wang To: nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, shengjiu.wang@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] ASoC: imx-rpmsg: Support configure sysclk for codec dai Date: Wed, 3 Aug 2022 11:02:28 +0800 Message-Id: <1659495748-10876-1-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Some codecs need to configure the sysclk even with slave mode, otherwise it may not work properly with some case. wm8960 is the one that need sysclk be configured, so add late_probe() to call the snd_soc_dai_set_sysclk() of codec Signed-off-by: Shengjiu Wang --- changes in v2: - use unsigned long for sysclk sound/soc/fsl/imx-rpmsg.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/sound/soc/fsl/imx-rpmsg.c b/sound/soc/fsl/imx-rpmsg.c index 2e117311e582..4d99f4858a14 100644 --- a/sound/soc/fsl/imx-rpmsg.c +++ b/sound/soc/fsl/imx-rpmsg.c @@ -19,6 +19,7 @@ struct imx_rpmsg { struct snd_soc_dai_link dai; struct snd_soc_card card; + unsigned long sysclk; }; =20 static const struct snd_soc_dapm_widget imx_rpmsg_dapm_widgets[] =3D { @@ -28,6 +29,27 @@ static const struct snd_soc_dapm_widget imx_rpmsg_dapm_w= idgets[] =3D { SND_SOC_DAPM_MIC("Main MIC", NULL), }; =20 +static int imx_rpmsg_late_probe(struct snd_soc_card *card) +{ + struct imx_rpmsg *data =3D snd_soc_card_get_drvdata(card); + struct snd_soc_pcm_runtime *rtd =3D list_first_entry(&card->rtd_list, + struct snd_soc_pcm_runtime, list); + struct snd_soc_dai *codec_dai =3D asoc_rtd_to_codec(rtd, 0); + struct device *dev =3D card->dev; + int ret; + + if (!data->sysclk) + return 0; + + ret =3D snd_soc_dai_set_sysclk(codec_dai, 0, data->sysclk, SND_SOC_CLOCK_= IN); + if (ret && ret !=3D -ENOTSUPP) { + dev_err(dev, "failed to set sysclk in %s\n", __func__); + return ret; + } + + return 0; +} + static int imx_rpmsg_probe(struct platform_device *pdev) { struct snd_soc_dai_link_component *dlc; @@ -72,12 +94,18 @@ static int imx_rpmsg_probe(struct platform_device *pdev) data->dai.codecs->dai_name =3D "snd-soc-dummy-dai"; data->dai.codecs->name =3D "snd-soc-dummy"; } else { + struct clk *clk; + data->dai.codecs->of_node =3D args.np; ret =3D snd_soc_get_dai_name(&args, &data->dai.codecs->dai_name); if (ret) { dev_err(&pdev->dev, "Unable to get codec_dai_name\n"); goto fail; } + + clk =3D devm_get_clk_from_child(&pdev->dev, args.np, NULL); + if (!IS_ERR(clk)) + data->sysclk =3D clk_get_rate(clk); } =20 data->dai.cpus->dai_name =3D dev_name(&rpmsg_pdev->dev); @@ -103,6 +131,7 @@ static int imx_rpmsg_probe(struct platform_device *pdev) data->card.owner =3D THIS_MODULE; data->card.dapm_widgets =3D imx_rpmsg_dapm_widgets; data->card.num_dapm_widgets =3D ARRAY_SIZE(imx_rpmsg_dapm_widgets); + data->card.late_probe =3D imx_rpmsg_late_probe; /* * Inoder to use common api to get card name and audio routing. * Use parent of_node for this device, revert it after finishing using --=20 2.34.1