{"id":2219842,"url":"http://patchwork.ozlabs.org/api/patches/2219842/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260404190236.5218-2-vasuhansalia05@gmail.com/","project":{"id":42,"url":"http://patchwork.ozlabs.org/api/projects/42/?format=json","name":"Linux GPIO development","link_name":"linux-gpio","list_id":"linux-gpio.vger.kernel.org","list_email":"linux-gpio@vger.kernel.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260404190236.5218-2-vasuhansalia05@gmail.com>","list_archive_url":null,"date":"2026-04-04T19:02:36","name":"[2/2] platform/x86: int3472: Handle GPIO types 0x02 and 0x12 for Lunar Lake","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"b6cbbf405ba998669665c8c1f4f6bd92fc165760","submitter":{"id":93055,"url":"http://patchwork.ozlabs.org/api/people/93055/?format=json","name":"Vasu","email":"vasuhansalia05@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-gpio/patch/20260404190236.5218-2-vasuhansalia05@gmail.com/mbox/","series":[{"id":498746,"url":"http://patchwork.ozlabs.org/api/series/498746/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-gpio/list/?series=498746","date":"2026-04-04T19:02:35","name":"[1/2] pinctrl: intel: platform: Add INTC10B5 ACPI ID for Lunar Lake","version":1,"mbox":"http://patchwork.ozlabs.org/series/498746/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219842/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219842/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","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=rj0gEgee;\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-34669-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=\"rj0gEgee\"","smtp.subspace.kernel.org;\n arc=none smtp.client-ip=209.85.210.173","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 4fp4k84bXkz1yG2\n\tfor ; Sun, 05 Apr 2026 05:03:28 +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 36E39300B989\n\tfor ; Sat, 4 Apr 2026 19:03:16 +0000 (UTC)","from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id C736F340A6F;\n\tSat, 4 Apr 2026 19:03:09 +0000 (UTC)","from mail-pf1-f173.google.com (mail-pf1-f173.google.com\n [209.85.210.173])\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 7AB5C33F5B6\n\tfor ; Sat, 4 Apr 2026 19:03:08 +0000 (UTC)","by mail-pf1-f173.google.com with SMTP id\n d2e1a72fcca58-8296d553142so1425212b3a.3\n for ;\n Sat, 04 Apr 2026 12:03:08 -0700 (PDT)","from dell.. 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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\nWithout 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\nType 0x12 handling was confirmed by inspecting the OEM kernel module for\nUbuntu 24.04 (6.11.0-1016-oem) which handles this type by mapping it\ndirectly to the sensor via skl_int3472_fill_gpiod_lookup().\n\nTested 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\nSigned-off-by: Vasu Hansalia \n---","diff":"--- a/drivers/platform/x86/intel/int3472/discrete.c\n+++ b/drivers/platform/x86/intel/int3472/discrete.c\n@@ -239,6 +239,7 @@\n \tswitch (type) {\n \tcase INT3472_GPIO_TYPE_RESET:\n \tcase INT3472_GPIO_TYPE_POWERDOWN:\n+\tcase 0x12: /* Lunar Lake AVDD/sensor-supply GPIO */\n \t\tret = skl_int3472_map_gpio_to_sensor(int3472, agpio, func, polarity);\n \t\tif (ret)\n \t\t\terr_msg = \"Failed to map GPIO pin to sensor\\n\";\n@@ -278,6 +279,12 @@\n \t\t\tbreak;\n \t\t}\n \t\tbreak;\n+\tcase 0x02:\n+\t\t/* Strobe GPIO - used for IR LED/flash, map to sensor */\n+\t\tret = skl_int3472_map_gpio_to_sensor(int3472, agpio, func, polarity);\n+\t\tif (ret)\n+\t\t\terr_msg = \"Failed to map strobe GPIO to sensor\\n\";\n+\t\tbreak;\n \tdefault:\n \t\tdev_warn(int3472->dev,\n \t\t\t \"GPIO type 0x%02x unknown; the sensor may not work\\n\",\n","prefixes":["2/2"]}