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GET /api/patches/2227832/?format=api
{ "id": 2227832, "url": "http://patchwork.ozlabs.org/api/patches/2227832/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424103806.2276780-2-shengjiu.wang@nxp.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260424103806.2276780-2-shengjiu.wang@nxp.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260424103806.2276780-2-shengjiu.wang@nxp.com/", "date": "2026-04-24T10:38:02", "name": "[1/5] ASoC: fsl-asoc-card: enable dpcm_merged_chan flag for ASRC frontend", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "9ec66b40d56db174c949abf3c4b63172ee8f226d", "submitter": { "id": 75958, "url": "http://patchwork.ozlabs.org/api/people/75958/?format=api", "name": "Shengjiu Wang", "email": "shengjiu.wang@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424103806.2276780-2-shengjiu.wang@nxp.com/mbox/", "series": [ { "id": 501341, "url": "http://patchwork.ozlabs.org/api/series/501341/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501341", "date": "2026-04-24T10:38:01", "name": "ASoC: fsl-asoc-card: Add some improvements", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501341/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2227832/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227832/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20070-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256\n header.s=selector1 header.b=CshlOK0T;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-20070-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=pass smtp.remote-ip=\"2a01:111:f403:c201::6\" 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envelope-from=shengjiu.wang@nxp.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=nxp.com", "i=1; mx.microsoft.com 1; spf=pass\n smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass\n header.d=nxp.com; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=WGjcGfh6rZFSyH+EJF3nu7I+miScj+Z0EKlyoHzPofg=;\n b=CshlOK0TMdKFGCX5Ma4ar+sqB3sIp4yaoKN1ADq1j3qzsSc+HDMncTNQt17NbvNHx8TTsXwbZaQgDAfs3DKF0Yo3gC0PWwzMBDWy0biS3Ml17Dmgl4jmzndox1WkiKjwDiNM8eWMdiDfTi8LayOk3P0caZFvW1aOGqKCIFh/UPafaZJfbKOIDMe9cUoftb2HspPtIQ+wJLTEEf5dj2fGjJtJ5LCEeHkoktxsDxfamp+6LZ8lfjiCrrgk3ceaF663kpFyGLRs7lgUsg0kI7IHCSC515UhhV3w7BKT2eveweNkkIpgyVP8H5+VEqfRFzUiPgjslLb7MtsJ97CJvHpu+A==", "From": "Shengjiu Wang <shengjiu.wang@nxp.com>", "To": "shengjiu.wang@gmail.com,\n\tXiubo.Lee@gmail.com,\n\tfestevam@gmail.com,\n\tnicoleotsuka@gmail.com,\n\tlgirdwood@gmail.com,\n\tbroonie@kernel.org,\n\tperex@perex.cz,\n\ttiwai@suse.com,\n\tlinux-sound@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org", "Subject": "[PATCH 1/5] ASoC: fsl-asoc-card: enable dpcm_merged_chan flag for\n ASRC frontend", "Date": "Fri, 24 Apr 2026 18:38:02 +0800", "Message-Id": "<20260424103806.2276780-2-shengjiu.wang@nxp.com>", "X-Mailer": "git-send-email 2.37.1", "In-Reply-To": "<20260424103806.2276780-1-shengjiu.wang@nxp.com>", "References": "<20260424103806.2276780-1-shengjiu.wang@nxp.com>", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "MA5PR01CA0027.INDPRD01.PROD.OUTLOOK.COM\n (2603:1096:a01:178::15) To AM0PR04MB7044.eurprd04.prod.outlook.com\n (2603:10a6:208:191::20)", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": 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(2024-03-25) on lists.ozlabs.org" }, "content": "When using ASRC in DPCM mode, the backend DAI (codec) may have channel\nconstraints that differ from the frontend. For example, the ASRC can\nsupport 1-8 channels, but the codec might only support stereo (2 channels).\n\nWithout dpcm_merged_chan, userspace can open the frontend with unsupported\nchannel counts, leading to errors when the backend is configured.\n\nEnable dpcm_merged_chan to merge backend channel constraints to the\nfrontend, ensuring userspace only sees valid channel configurations.\n\nThis fixes issues where applications attempt to use channel counts\nthat the backend codec doesn't support.\n\nSigned-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>\n---\n sound/soc/fsl/fsl-asoc-card.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c\nindex 70a6159430ed..41cd2fc2ea56 100644\n--- a/sound/soc/fsl/fsl-asoc-card.c\n+++ b/sound/soc/fsl/fsl-asoc-card.c\n@@ -989,6 +989,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)\n \n \tif (asrc_pdev) {\n \t\t/* DPCM DAI Links only if ASRC exists */\n+\t\tpriv->dai_link[1].dpcm_merged_chan = 1;\n \t\tpriv->dai_link[1].cpus->of_node = asrc_np;\n \t\tpriv->dai_link[1].platforms->of_node = asrc_np;\n \t\tfor_each_link_codecs((&(priv->dai_link[2])), codec_idx, codec_comp) {\n", "prefixes": [ "1/5" ] }