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GET /api/1.2/patches/2230125/?format=api
{ "id": 2230125, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2230125/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260429100028.2739711-3-shengjiu.wang@nxp.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<20260429100028.2739711-3-shengjiu.wang@nxp.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260429100028.2739711-3-shengjiu.wang@nxp.com/", "date": "2026-04-29T10:00:24", "name": "[v2,2/5] ASoC: fsl-asoc-card: enable ignore_pmdown_time for ASRC case", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "870eda9d4ec9a9df9cde3e0be8dedb1bc4f2ab5a", "submitter": { "id": 75958, "url": "http://patchwork.ozlabs.org/api/1.2/people/75958/?format=api", "name": "Shengjiu Wang", "email": "shengjiu.wang@nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260429100028.2739711-3-shengjiu.wang@nxp.com/mbox/", "series": [ { "id": 502028, "url": "http://patchwork.ozlabs.org/api/1.2/series/502028/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502028", "date": "2026-04-29T10:00:22", "name": "ASoC: fsl-asoc-card: Add some improvements", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502028/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230125/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230125/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20265-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=cqXSf6Pv;\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-20265-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=pass smtp.remote-ip=\"2a01:111:f403:c200::3\" 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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=K9dLxSF8vWSwDKZjOpV6UUS3KQuTRkuRsAXWgr0KuTA=;\n b=cqXSf6PvBl0VcCkjaMGjwdeZ+RfNpQiMCs/lioM2XpqZy6awiMpGwjdySfuwJ3vQ0LTiY9GtDn3UOedyGM7mB516BVDs0wb6R/MJcAtDRKfjvhqCuAYZGsguneC3m4C8Ev5Scr1RcXIIGy2W5DwvCtK3fwigw98x3L6F0qHV7VQ6sNCLstnH5exVJXK6K1NfZPzcFOoJCPpMo2XE+g1ZfWCW45Y0KxJf91AS2RbgVDVU+GaeT1Fb91wUUF4LiE9K+2Hs5FYRJfMxxBHi5X2DhPAKDcX6mb08aYk+bjJ7X6kicnbY6ePNMPN51hyDhoTWesFsxI6kTQJYAOSpDvssrg==", "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 v2 2/5] ASoC: fsl-asoc-card: enable ignore_pmdown_time for\n ASRC case", "Date": "Wed, 29 Apr 2026 18:00:24 +0800", "Message-Id": "<20260429100028.2739711-3-shengjiu.wang@nxp.com>", "X-Mailer": "git-send-email 2.37.1", "In-Reply-To": "<20260429100028.2739711-1-shengjiu.wang@nxp.com>", "References": "<20260429100028.2739711-1-shengjiu.wang@nxp.com>", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-ClientProxiedBy": "SG2P153CA0005.APCP153.PROD.OUTLOOK.COM (2603:1096::15) To\n AM0PR04MB7044.eurprd04.prod.outlook.com (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": "Problem:\nWhen switching from ASRC path (hw:0,1) to direct path (hw:0,0),\naudio stops after 5 seconds due to DAPM powering down shared widgets.\n\nScenario:\n1. Play on hw:0,1 (ASRC): ASRC-Playback → CPU-Playback → Codec\n2. Stop playback\n3. Play on hw:0,0 (Direct): CPU-Playback → Codec\n4. After 5s: No sound (DAPM powered down CPU-Playback)\n\nRoot Cause:\nDAPM sees ASRC-Playback disconnected and powers down the entire\npath including CPU-Playback, even though CPU-Playback is still\nneeded for the direct path.\n\nSolution:\nEnable ignore_pmdown_time for DPCM links to prevent premature\nwidget power-down when switching between paths.\n\nSigned-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>\n---\n sound/soc/fsl/fsl-asoc-card.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c\nindex 41cd2fc2ea56..e08e135886f7 100644\n--- a/sound/soc/fsl/fsl-asoc-card.c\n+++ b/sound/soc/fsl/fsl-asoc-card.c\n@@ -990,6 +990,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)\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].ignore_pmdown_time = 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@@ -999,6 +1000,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)\n \t\t}\n \t\tpriv->dai_link[2].cpus->of_node = cpu_np;\n \t\tpriv->dai_link[2].dai_fmt = priv->dai_fmt;\n+\t\tpriv->dai_link[2].ignore_pmdown_time = 1;\n \t\tpriv->card.num_links = 3;\n \n \t\tret = of_property_read_u32(asrc_np, \"fsl,asrc-rate\",\n", "prefixes": [ "v2", "2/5" ] }