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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EDD6.mail.protection.outlook.com (10.167.241.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Sat, 30 Nov 2024 14:05:45 +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; Sat, 30 Nov 2024 08:05:42 -0600 From: Mario Limonciello To: Hans de Goede , =?UTF-8?q?Ilpo=20J=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=20Kleine-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 , Armin Wolf Subject: [PATCH v8 12/22] ACPI: platform_profile: Add choices attribute for class interface Date: Sat, 30 Nov 2024 08:04:44 -0600 Message-ID: <20241130140454.455-13-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241130140454.455-1-mario.limonciello@amd.com> References: <20241130140454.455-1-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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: CY4PEPF0000EDD6:EE_|IA0PR12MB8087:EE_ X-MS-Office365-Filtering-Correlation-Id: 6e30b921-7553-4603-89a6-08dd114815f9 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?utf-8?B?OENvRDF2enFJUWpXRk9CalNmUnJQR0ZKVi91cGlTUlFwaURRSGdJaDgwNUsz?= =?utf-8?B?QnAzcjB3emgzS3ZNcUo3UFRzMG1icmtXVU5JVUhydzcybXVsY0FQbkFQMzRU?= =?utf-8?B?YjdjWFU4cndIZ0RZb0FDRExwbzNXeUFTSys0VE8wZjhzUk5pVUpTdXA4eCsx?= =?utf-8?B?ajFUdmNjQ1lSV1ZQbHpUb0RHYktCV0o4OUFjVTErLyszUGxPRDNxWjZ5aTVl?= =?utf-8?B?SExOd0J3SFYzdTRDZmUzbnpZbk42cmR3MEhtM0k2VEh0QjRrRFl4aDNUdGdL?= =?utf-8?B?WjdDcmcvZmk5MGx1NmJMRXNOcVYvVnJYNDAxQWE3VW5BNy80M0xwM01XWEhO?= =?utf-8?B?cVZBazdxZ3hZeXZ3SXBzaUVRVEFFK3A4SVFobzE4anpIVmg2aWRTdjNEWkww?= =?utf-8?B?UFYyaFVicVR4RkdvZnhoVTNJLzUrc3RUZi9LMndRRFZtL2hTQU5PSVpBdVky?= =?utf-8?B?b2JGaGQrYlNzdnlJd2ZLL3JmRDBwdXhmZTlwQUg3V3lTVWJYWGIzYzFkNWxU?= =?utf-8?B?THhWbDVadEY0L1duS2REbWdYbjhhYjd3MC9rWWUwWmtZNFR1ekJIcGFJVFBt?= =?utf-8?B?Vkw0N3ByYndiNmliNmlUUmViQXJOeWx2dlIvV1QvV01ub0liMVpYVTVEMzRG?= =?utf-8?B?SlRINkxQTzBReGYxcGZBN09QVm9tczZId0t2WmZQWlVlY0NqT3BuaWkrSkFK?= =?utf-8?B?a3RrYlFsUDdYb0llWEtSQjRHQ1VuTGJZcGVFZm95K3JSbzFsUkZ1alpMdFhj?= =?utf-8?B?UjJzMWJVdnI2azd3eFNkM3NZUG5tZWhvTEhzM2RNd0I3UkRQK1lXZWIvQ05K?= =?utf-8?B?V2J2MlR5cCs4Ly9VNzVhbE4xRnFrdTRyRUdOWjIyZUorZW4zQm45cGVvUHhZ?= =?utf-8?B?WVRIS1RpeGlaNGVtUFV1MGd5aFpEMXprSHZVbmF5Unh4NVhSU3kxViswZ25M?= =?utf-8?B?T0RTdVZnaHV3WlZRQTdIRWZQelhXRFZDcWJWakJwREpXZmJ1VXpBTDdjNDdv?= =?utf-8?B?cUtxQlVWNDNMcFVNZ1VseFRDWjVxMm0ySzNYT0pUL0F4QnFJdTJFcVpHb3po?= =?utf-8?B?QXRIZFdib3MvanpiSzc4TkJ5OEFNZnhxL2hBaWZxUGRHSzloZDNMTFM2V1Bk?= =?utf-8?B?TUQ0NlE2L2RuQ0dkNkFVTThkbmVIL2MvOGthbUdtaWJsMXNlTkRBZUhYZjlk?= =?utf-8?B?MTZPTWdkUEQ1RnI3TVNCVXQ4dUVvbGpUd1NaWGlxQTA4eVpjRFdBU0wxMW1I?= =?utf-8?B?ckoxOER6Q0g0Rm5KRlZYQ2NjTWlYQkFCOXJjSlQyWTNiRHhBWVF0U2szTExz?= =?utf-8?B?aFhFMmpiS29zbEJUUnNBYUxhOTZZQktDVmI4YUpTOHlMSUZ2VGFUSkNqS0FH?= =?utf-8?B?MElTMUlieTQyWFhiYmt3aGI0MUhZSEVwSWpoVEZhdXNBNVVpVE5ONmluNlYr?= =?utf-8?B?eW1DU0dvZWN6dGhSeWJ5TkkrSkJpNi9CYmdEZ2tOZUNsZDJuWTNlTk1FVEpN?= =?utf-8?B?ZWRLZU16QTNCVHM3L3ZmR2Z6WmlEWXc5VC8yYWdvbDZmTlVWdk83UFNjUHVo?= =?utf-8?B?b21yL3pCaW1uYUY0SSs1ZWJ1YW9ML2RqczFQcExYTEpHVk5rWXY5YjVUQkRZ?= =?utf-8?B?UWRqN1c2clByZG5MUnEvckZvOXgwTWFWeGtveHFnUVgwWlU5NWZtQ3pKaHRH?= =?utf-8?B?R3hhRXBOWlhXN0dMZjRZaHZHWXF2Y051NUZzQVMrdHptWmFmYnJjckh5c2hQ?= =?utf-8?B?akhOdUVkZ3RQdytkTGxhL0RPKzlQc2pka09rOU1MTDFxQ3NpdVlOMzEvZ1l5?= =?utf-8?B?L0hVYWdiY0pvMldqYlZDVDRJNXB1NzVNTFgrWmxqdW5ENUswNnA4aDZHM1VS?= =?utf-8?B?cFBLZmhzSHNRUDh6OWpQckVyWFdPVCtmaElMZVV3d1lxU1BKQWFwUmRJamtt?= =?utf-8?Q?AmxDuiH8dm3jJReEyxhIgL9PkXdycCeQ?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Nov 2024 14:05:45.8752 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 6e30b921-7553-4603-89a6-08dd114815f9 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EDD6.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8087 The `choices` file will show all possible choices that a given platform profile handler can support. Tested-by: Mark Pearson Reviewed-by: Ilpo J=C3=A4rvinen Reviewed-by: Armin Wolf Reviewed-by: Mark Pearson Signed-off-by: Mario Limonciello --- v8: whitespace --- drivers/acpi/platform_profile.c | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profil= e.c index eec842bd00643..6a257e500b190 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -25,6 +25,28 @@ static_assert(ARRAY_SIZE(profile_names) =3D=3D PLATFORM_= PROFILE_LAST); =20 static DEFINE_IDA(platform_profile_ida); =20 +/** + * _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 =3D 0; + + for_each_set_bit(i, choices, PLATFORM_PROFILE_LAST) { + if (len =3D=3D 0) + len +=3D sysfs_emit_at(buf, len, "%s", profile_names[i]); + else + len +=3D sysfs_emit_at(buf, len, " %s", profile_names[i]); + } + len +=3D sysfs_emit_at(buf, len, "\n"); + + return len; +} + /** * name_show - Show the name of the profile handler * @dev: The device @@ -41,8 +63,27 @@ static ssize_t name_show(struct device *dev, struct devi= ce_attribute *attr, char } static DEVICE_ATTR_RO(name); =20 +/** + * choices_show - Show the available profile choices + * @dev: The device + * @attr: The attribute + * @buf: The buffer to write to + * + * Return: The number of bytes written + */ +static ssize_t choices_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct platform_profile_handler *handler =3D dev_get_drvdata(dev); + + return _commmon_choices_show(handler->choices, buf); +} +static DEVICE_ATTR_RO(choices); + static struct attribute *profile_attrs[] =3D { &dev_attr_name.attr, + &dev_attr_choices.attr, NULL }; ATTRIBUTE_GROUPS(profile); --=20 2.43.0