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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.12 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.12; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.12) by CY4PEPF0000EDD0.mail.protection.outlook.com (10.167.241.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8158.14 via Frontend Transport; Tue, 19 Nov 2024 17:21:19 +0000 Received: from AUS-P9-MLIMONCI.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 19 Nov 2024 11:21:16 -0600 From: Mario Limonciello To: Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= CC: "Rafael J . Wysocki" , Len Brown , Maximilian Luz , Lee Chun-Yi , "Shyam Sundar S K" , Corentin Chary , "Luke D . Jones" , Ike Panhc , Henrique de Moraes Holschuh , "Alexis Belmonte" , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Ai Chao , Gergo Koteles , open list , "open list:ACPI" , "open list:MICROSOFT SURFACE PLATFORM PROFILE DRIVER" , "open list:THINKPAD ACPI EXTRAS DRIVER" , Mark Pearson , Matthew Schwartz , Mario Limonciello Subject: [PATCH v7 12/22] ACPI: platform_profile: Add choices attribute for class interface Date: Tue, 19 Nov 2024 11:17:29 -0600 Message-ID: <20241119171739.77028-13-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241119171739.77028-1-mario.limonciello@amd.com> References: <20241119171739.77028-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EDD0:EE_|SA3PR12MB7829:EE_ X-MS-Office365-Filtering-Correlation-Id: 8b33ff0b-0f57-4363-7948-08dd08be9529 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|7416014|376014|36860700013; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.12;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:atlvpn-bp.amd.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(7416014)(376014)(36860700013);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Nov 2024 17:21:19.3622 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8b33ff0b-0f57-4363-7948-08dd08be9529 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.12];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD0.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7829 The `choices` file will show all possible choices that a given platform profile handler can support. Tested-by: Mark Pearson Signed-off-by: Mario Limonciello Reviewed-by: Ilpo Järvinen --- v7: * Drop locking v5: * Fix kdoc * Add tag * Fix whitespace * Adjust mutex use --- drivers/acpi/platform_profile.c | 39 +++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c index a9d7ec3c85844..9d6ead043994c 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -25,6 +25,27 @@ static_assert(ARRAY_SIZE(profile_names) == PLATFORM_PROFILE_LAST); static DEFINE_IDA(platform_profile_ida); +/** + * _commmon_choices_show - Show the available profile choices + * @choices: The available profile choices + * @buf: The buffer to write to + * Return: The number of bytes written + */ +static ssize_t _commmon_choices_show(unsigned long *choices, char *buf) +{ + int i, len = 0; + + for_each_set_bit(i, choices, PLATFORM_PROFILE_LAST) { + if (len == 0) + len += sysfs_emit_at(buf, len, "%s", profile_names[i]); + else + len += sysfs_emit_at(buf, len, " %s", profile_names[i]); + } + len += sysfs_emit_at(buf, len, "\n"); + + return len; +} + /** * name_show - Show the name of the profile handler * @dev: The device @@ -41,9 +62,27 @@ static ssize_t name_show(struct device *dev, return sysfs_emit(buf, "%s\n", handler->name); } +/** + * choices_show - Show the available profile choices + * @dev: The device + * @attr: The attribute + * @buf: The buffer to write to + */ +static ssize_t choices_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct platform_profile_handler *handler = dev_get_drvdata(dev); + + return _commmon_choices_show(handler->choices, buf); +} + static DEVICE_ATTR_RO(name); +static DEVICE_ATTR_RO(choices); + static struct attribute *profile_attrs[] = { &dev_attr_name.attr, + &dev_attr_choices.attr, NULL }; ATTRIBUTE_GROUPS(profile);