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GET /api/patches/2222977/?format=api
{ "id": 2222977, "url": "http://patchwork.ozlabs.org/api/patches/2222977/?format=api", "web_url": "http://patchwork.ozlabs.org/project/rtc-linux/patch/20260414-s2mu005-pmic-v4-11-7fe7480577e6@disroot.org/", "project": { "id": 9, "url": "http://patchwork.ozlabs.org/api/projects/9/?format=api", "name": "Linux RTC development", "link_name": "rtc-linux", "list_id": "linux-rtc.vger.kernel.org", "list_email": "linux-rtc@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260414-s2mu005-pmic-v4-11-7fe7480577e6@disroot.org>", "list_archive_url": null, "date": "2026-04-14T06:33:03", "name": "[v4,11/13] Documentation: leds: document pattern behavior of Samsung S2M series PMIC RGB LEDs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0d8c3b17512697956107cd8fd6c0a856c6c0d7ae", "submitter": { "id": 88698, "url": "http://patchwork.ozlabs.org/api/people/88698/?format=api", "name": "Kaustabh Chakraborty", "email": "kauschluss@disroot.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/rtc-linux/patch/20260414-s2mu005-pmic-v4-11-7fe7480577e6@disroot.org/mbox/", "series": [ { "id": 499781, "url": "http://patchwork.ozlabs.org/api/series/499781/?format=api", "web_url": "http://patchwork.ozlabs.org/project/rtc-linux/list/?series=499781", "date": "2026-04-14T06:32:53", "name": "Support for Samsung S2MU005 PMIC and its sub-devices", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/499781/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222977/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222977/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-rtc+bounces-6327-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-rtc@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=disroot.org header.i=@disroot.org header.a=rsa-sha256\n header.s=mail header.b=E+ciTgOa;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-rtc+bounces-6327-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org\n header.b=\"E+ciTgOa\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=178.21.23.139", "smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=disroot.org", "smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=disroot.org" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fvvmF5xg5z1xtJ\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 14 Apr 2026 16:40:29 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id C53B230E218C\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 14 Apr 2026 06:34:31 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 55F2E36EA8B;\n\tTue, 14 Apr 2026 06:34:30 +0000 (UTC)", "from layka.disroot.org (layka.disroot.org [178.21.23.139])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id EA66136DA02;\n\tTue, 14 Apr 2026 06:34:28 +0000 (UTC)", "from [127.0.0.1] (localhost [127.0.0.1])\n\tby disroot.org (Postfix) with ESMTP id 9ABFE265EB;\n\tTue, 14 Apr 2026 08:34:27 +0200 (CEST)", "from layka.disroot.org ([127.0.0.1])\n by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP\n id UbqiwFGVGqkq; Tue, 14 Apr 2026 08:34:27 +0200 (CEST)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776148470; cv=none;\n b=qDRAA5rWxNBzbgprw+a2u+fCP/Qpfk8FEpIGYVhwSrLsM7hnAooDhMNd0lEzE2RkN3Er4pdhI53XVvl/f0nVJy7uSv0KiAZGzLatVwTP2viP67redfbnn2AEV5qeqOKRCgzmOqS7A38KbCj3nBfwM8cyhXw5zfjg4xfLnET530c=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776148470; c=relaxed/simple;\n\tbh=/WI5uPKkfnHPmN5fRkoq5GqgK1SkJOYa870eu3oI8o0=;\n\th=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References:\n\t In-Reply-To:To:Cc;\n b=lJ/G1ox+/Iytfg4y7jt2PbMlzatGfwdXS9X56MOJvSJ8P9fTJhLL/t/Hn+uFqphSuNKd94mnkVvSD5MZlGNMsU5wvrSljN9uPdSxUt0AfQ3QUTnpn/hhDdzn1W/xORRdqra61V0+UphJE5KuI3lJUvLrn1wAA8xiwrlbMgBYTYE=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dmarc=pass (p=reject dis=none) header.from=disroot.org;\n spf=pass smtp.mailfrom=disroot.org;\n dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org\n header.b=E+ciTgOa; arc=none smtp.client-ip=178.21.23.139", "X-Virus-Scanned": "SPAM Filter at disroot.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail;\n\tt=1776148467; bh=/WI5uPKkfnHPmN5fRkoq5GqgK1SkJOYa870eu3oI8o0=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc;\n\tb=E+ciTgOa1EC3mpDRvuPcWPMu8qW8SpVjiO15VOPpIP0n3X9ui5lrBNsIWDGSKKwb5\n\t 0XDq6UHfWG9gwk13J36R2VmBq2mUPH6qMPAX05rNwnDhknvSv19UgK4ZVe0zxyAu1S\n\t 4nzpmT8iOsX6WH+oiLdCST1xseNt+9O9Q/kVRr+2Dzf4XaHFmzP2ECYFgCCb1UQH3q\n\t ShYe161FuVxSjYvVD9jtJCz1wnfU3wKUPMC8VUsuLHOTQ6D9zj7XX3edmgTfZvGDUm\n\t UjwCZGCl2eqHk4HMvLHs7y+KsZ3huNAQ/BJQo5fQMFTANMJa83jarpZrNGP1pGuXJD\n\t AKts4jA2yAdcA==", "From": "Kaustabh Chakraborty <kauschluss@disroot.org>", "Date": "Tue, 14 Apr 2026 12:03:03 +0530", "Subject": "[PATCH v4 11/13] Documentation: leds: document pattern behavior of\n Samsung S2M series PMIC RGB LEDs", "Precedence": "bulk", "X-Mailing-List": "linux-rtc@vger.kernel.org", "List-Id": "<linux-rtc.vger.kernel.org>", "List-Subscribe": "<mailto:linux-rtc+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-rtc+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260414-s2mu005-pmic-v4-11-7fe7480577e6@disroot.org>", "References": "<20260414-s2mu005-pmic-v4-0-7fe7480577e6@disroot.org>", "In-Reply-To": "<20260414-s2mu005-pmic-v4-0-7fe7480577e6@disroot.org>", "To": "Lee Jones <lee@kernel.org>, Pavel Machek <pavel@kernel.org>,\n Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, MyungJoo Ham <myungjoo.ham@samsung.com>,\n Chanwoo Choi <cw00.choi@samsung.com>, Sebastian Reichel <sre@kernel.org>,\n Krzysztof Kozlowski <krzk@kernel.org>,\n =?utf-8?q?Andr=C3=A9_Draszik?= <andre.draszik@linaro.org>,\n Alexandre Belloni <alexandre.belloni@bootlin.com>,\n Jonathan Corbet <corbet@lwn.net>, Shuah Khan <skhan@linuxfoundation.org>,\n Nam Tran <trannamatk@gmail.com>,\n =?utf-8?b?xYF1a2FzeiBMZWJpZWR6acWEc2tp?= <kernel@lvkasz.us>", "Cc": "linux-leds@vger.kernel.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,\n linux-samsung-soc@vger.kernel.org, linux-rtc@vger.kernel.org,\n linux-doc@vger.kernel.org, Kaustabh Chakraborty <kauschluss@disroot.org>" }, "content": "Add documentation to describe how hardware patterns (as defined by the\ndocumentation of led-class-multicolor) are parsed and implemented by the\nSamsung S2M series PMIC RGB LED driver.\n\nSigned-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>\n---\n Documentation/leds/index.rst | 1 +\n Documentation/leds/leds-s2m-rgb.rst | 60 +++++++++++++++++++++++++++++++++++++\n 2 files changed, 61 insertions(+)", "diff": "diff --git a/Documentation/leds/index.rst b/Documentation/leds/index.rst\nindex bebf440042787..23fa9ff7aaf4b 100644\n--- a/Documentation/leds/index.rst\n+++ b/Documentation/leds/index.rst\n@@ -28,6 +28,7 @@ LEDs\n leds-lp5812\n leds-mlxcpld\n leds-mt6370-rgb\n+ leds-s2m-rgb\n leds-sc27xx\n leds-st1202\n leds-qcom-lpg\ndiff --git a/Documentation/leds/leds-s2m-rgb.rst b/Documentation/leds/leds-s2m-rgb.rst\nnew file mode 100644\nindex 0000000000000..4f89a8c89ea86\n--- /dev/null\n+++ b/Documentation/leds/leds-s2m-rgb.rst\n@@ -0,0 +1,60 @@\n+.. SPDX-License-Identifier: GPL-2.0\n+\n+======================================\n+Samsung S2M Series PMIC RGB LED Driver\n+======================================\n+\n+Description\n+-----------\n+\n+The RGB LED on the S2M series PMIC hardware features a three-channel LED that\n+is grouped together as a single device. Furthermore, it supports 8-bit\n+brightness control for each channel. This LED is typically used as a status\n+indicator in mobile devices. It also supports various parameters for hardware\n+patterns.\n+\n+The hardware pattern can be programmed using the \"pattern\" trigger, using the\n+hw_pattern attribute.\n+\n+/sys/class/leds/<led>/repeat\n+----------------------------\n+\n+The hardware supports only indefinitely repeating patterns. The repeat\n+attribute must be set to -1 for hardware patterns to function.\n+\n+/sys/class/leds/<led>/hw_pattern\n+--------------------------------\n+\n+Specify a hardware pattern for the RGB LEDs.\n+\n+The pattern is a series of brightness levels and durations in milliseconds.\n+There should be only one non-zero brightness level. Unlike the results\n+described in leds-trigger-pattern, the transitions between on and off states\n+are smoothed out by the hardware.\n+\n+Simple pattern::\n+\n+ \"255 3000 0 1000\"\n+\n+ 255 -+ ''''''-. .-'''''''-.\n+ | '. .' '.\n+ | \\ / \\\n+ | '. .' '.\n+ | '-.......-' '-\n+ 0 -+-------+-------+-------+-------+-------+-------+--> time (s)\n+ 0 1 2 3 4 5 6\n+\n+As described in leds-trigger-pattern, it is also possible to use zero-length\n+entries to disable the ramping mechanism.\n+\n+On-Off pattern::\n+\n+ \"255 1000 255 0 0 1000 0 0\"\n+\n+ 255 -+ ------+ +-------+ +-------+\n+ | | | | | |\n+ | | | | | |\n+ | | | | | |\n+ | +-------+ +-------+ +-------\n+ 0 -+-------+-------+-------+-------+-------+-------+--> time (s)\n+ 0 1 2 3 4 5 6\n", "prefixes": [ "v4", "11/13" ] }