[{"id":3673502,"web_url":"http://patchwork.ozlabs.org/comment/3673502/","msgid":"<adFssnMzgbvKW3Ul@ashevche-desk.local>","list_archive_url":null,"date":"2026-04-04T19:55:30","subject":"Re: [PATCH 2/2] platform/x86: int3472: Handle GPIO types 0x02 and\n 0x12 for Lunar Lake","submitter":{"id":8583,"url":"http://patchwork.ozlabs.org/api/people/8583/","name":"Andy Shevchenko","email":"andriy.shevchenko@linux.intel.com"},"content":"On Sun, Apr 05, 2026 at 12:32:36AM +0530, Vasu wrote:\n\n> Intel Lunar Lake platforms (Core Ultra 200V series) use two GPIO types\n> in their INT3472 ACPI tables that are not handled by the discrete driver:\n> \n>   - Type 0x02: Strobe GPIO, used for IR LED/flash control. Map to sensor.\n>   - Type 0x12: AVDD/sensor-supply GPIO, used on Lunar Lake to control\n>     sensor power. Treat like RESET/POWERDOWN and map to sensor.\n> \n> Without these handlers the driver logs:\n> \n>   int3472-discrete INT3472:00: GPIO type 0x02 unknown; the sensor may not work\n>   int3472-discrete INT3472:00: GPIO type 0x12 unknown; the sensor may not work\n> \n> Type 0x12 handling was confirmed by inspecting the OEM kernel module for\n> Ubuntu 24.04 (6.11.0-1016-oem) which handles this type by mapping it\n> directly to the sensor via skl_int3472_fill_gpiod_lookup().\n> \n> Tested on: Dell Pro 14 Premium PA14250, Intel Core Ultra 7 266V\n>            (Lunar Lake), Ubuntu 24.04, kernel 6.11.0-1016-oem\n>            Camera confirmed working at 1280x720 30fps after fix.\n\nSTROBE is about to be added by another series. The 0x12 needs a proper define.","headers":{"Return-Path":"\n <linux-gpio+bounces-34672-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=isNxeoyJ;\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-gpio+bounces-34672-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.b=\"isNxeoyJ\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=198.175.65.19","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=linux.intel.com"],"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 4fp5tc4SCMz1xtJ\n\tfor <incoming@patchwork.ozlabs.org>; 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charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"<20260404190236.5218-2-vasuhansalia05@gmail.com>","Organization":"Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6\n krs, Bertel Jungin Aukio 5, 02600 Espoo"}},{"id":3673522,"web_url":"http://patchwork.ozlabs.org/comment/3673522/","msgid":"<20260405013413.31970-2-vasuhansalia05@gmail.com>","list_archive_url":null,"date":"2026-04-05T01:34:13","subject":"Re: [PATCH 2/2] platform/x86: int3472: Handle GPIO types 0x02 and\n 0x12 for Lunar Lake","submitter":{"id":93055,"url":"http://patchwork.ozlabs.org/api/people/93055/","name":"Vasu","email":"vasuhansalia05@gmail.com"},"content":"From: Vasu Hansalia <vasuhansalia05@gmail.com>\n\nThank you for the feedback Andy.\n\nCould you point me to the series that is adding STROBE support so I\ncan avoid duplicating that work?\n\nFor 0x12, I will add a proper define. Based on the OEM kernel module\nbehaviour, would INT3472_GPIO_TYPE_AVDD be an appropriate name, or do\nyou have a preferred name for this type?\n\nRegards,\nVasu Hansalia","headers":{"Return-Path":"\n <linux-gpio+bounces-34674-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=XKMiaVbH;\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-gpio+bounces-34674-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"XKMiaVbH\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.210.174","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"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 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fpFQ95f27z1xtJ\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 05 Apr 2026 11:35:13 +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 4E16730160CC\n\tfor <incoming@patchwork.ozlabs.org>; Sun,  5 Apr 2026 01:34:42 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 20127274652;\n\tSun,  5 Apr 2026 01:34:42 +0000 (UTC)","from mail-pf1-f174.google.com (mail-pf1-f174.google.com\n [209.85.210.174])\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 AEAEF2FF657\n\tfor <linux-gpio@vger.kernel.org>; Sun,  5 Apr 2026 01:34:40 +0000 (UTC)","by mail-pf1-f174.google.com with SMTP id\n d2e1a72fcca58-82a655cfab5so2472590b3a.1\n        for <linux-gpio@vger.kernel.org>;\n Sat, 04 Apr 2026 18:34:40 -0700 (PDT)","from dell.. 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Based on the OEM kernel module\n> behaviour, would INT3472_GPIO_TYPE_AVDD be an appropriate name, or do\n> you have a preferred name for this type?\n\nBetter to follow the name in accordance with the specification(s).","headers":{"Return-Path":"\n <linux-gpio+bounces-34680-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=f3YoSkqy;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; helo=tor.lore.kernel.org;\n envelope-from=linux-gpio+bounces-34680-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.b=\"f3YoSkqy\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=192.198.163.7","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=linux.intel.com"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org [172.105.105.114])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fpRKF4KNbz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; 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charset=us-ascii","Content-Disposition":"inline","In-Reply-To":"<20260405013413.31970-2-vasuhansalia05@gmail.com>","Organization":"Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6\n krs, Bertel Jungin Aukio 5, 02600 Espoo"}},{"id":3673550,"web_url":"http://patchwork.ozlabs.org/comment/3673550/","msgid":"<20260405091518.5322-2-vasuhansalia05@gmail.com>","list_archive_url":null,"date":"2026-04-05T09:15:18","subject":"Re: [PATCH 2/2] platform/x86: int3472: Handle GPIO types 0x02 and\n 0x12 for Lunar Lake","submitter":{"id":93055,"url":"http://patchwork.ozlabs.org/api/people/93055/","name":"Vasu","email":"vasuhansalia05@gmail.com"},"content":"From: Vasu Hansalia <vasuhansalia05@gmail.com>\n\nThank you for the pointer to the STROBE series.\n\nBased on the specification, the correct name for type 0x12 appears to\nbe \"handshake\". I will use INT3472_GPIO_TYPE_HANDSHAKE in v2.\n\nI will prepare v2 dropping type 0x02 (handled by the STROBE series)\nand adding the proper #define for type 0x12.\n\nRegards,\nVasu Hansalia","headers":{"Return-Path":"\n <linux-gpio+bounces-34682-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=cUDDcNGO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c04:e001:36c::12fc:5321; helo=tor.lore.kernel.org;\n envelope-from=linux-gpio+bounces-34682-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"cUDDcNGO\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.216.52","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org\n [IPv6:2600:3c04:e001:36c::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fpRdh3Z0Gz1y2d\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 05 Apr 2026 19:15:52 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id 4177D3008290\n\tfor <incoming@patchwork.ozlabs.org>; Sun,  5 Apr 2026 09:15:46 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id 5E99536EA9B;\n\tSun,  5 Apr 2026 09:15:45 +0000 (UTC)","from mail-pj1-f52.google.com (mail-pj1-f52.google.com\n [209.85.216.52])\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 1077437104F\n\tfor <linux-gpio@vger.kernel.org>; Sun,  5 Apr 2026 09:15:43 +0000 (UTC)","by mail-pj1-f52.google.com with SMTP id\n 98e67ed59e1d1-3590042fa8eso2131310a91.1\n        for <linux-gpio@vger.kernel.org>;\n Sun, 05 Apr 2026 02:15:43 -0700 (PDT)","from dell.. 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So no v2 patch is needed for mainline.\n\nThe fix just needs to be backported to the Ubuntu OEM kernels\n(6.11-oem, 6.17-oem) where affected users are running Ubuntu 24.04.\n\nShould I send a backport request to the Ubuntu kernel team, or is\nthere another process you would recommend?\n\nRegards,\nVasu Hansalia","headers":{"Return-Path":"\n <linux-gpio+bounces-34683-incoming=patchwork.ozlabs.org@vger.kernel.org>","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=cJmb2weU;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.105.105.114; helo=tor.lore.kernel.org;\n envelope-from=linux-gpio+bounces-34683-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)","smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com\n header.b=\"cJmb2weU\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.210.171","smtp.subspace.kernel.org;\n dmarc=pass (p=none dis=none) header.from=gmail.com","smtp.subspace.kernel.org;\n spf=pass smtp.mailfrom=gmail.com"],"Received":["from tor.lore.kernel.org (tor.lore.kernel.org [172.105.105.114])\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 4fpRvJ4kJQz1yD3\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 05 Apr 2026 19:27:40 +1000 (AEST)","from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby tor.lore.kernel.org (Postfix) with ESMTP id A38683006F11\n\tfor <incoming@patchwork.ozlabs.org>; Sun,  5 Apr 2026 09:27:37 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id E0BF536EA9E;\n\tSun,  5 Apr 2026 09:27:33 +0000 (UTC)","from mail-pf1-f171.google.com (mail-pf1-f171.google.com\n [209.85.210.171])\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 A545F30F548\n\tfor <linux-gpio@vger.kernel.org>; Sun,  5 Apr 2026 09:27:32 +0000 (UTC)","by mail-pf1-f171.google.com with SMTP id\n d2e1a72fcca58-82c68339cf0so2264198b3a.0\n        for <linux-gpio@vger.kernel.org>;\n Sun, 05 Apr 2026 02:27:32 -0700 (PDT)","from dell.. 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