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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 CH1PEPF0000AD79.mail.protection.outlook.com (10.167.244.57) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8230.7 via Frontend Transport; Mon, 2 Dec 2024 05:51:48 +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; Sun, 1 Dec 2024 23:51:46 -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 v9 12/22] ACPI: platform_profile: Add choices attribute for class interface Date: Sun, 1 Dec 2024 23:50:21 -0600 Message-ID: <20241202055031.8038-13-mario.limonciello@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241202055031.8038-1-mario.limonciello@amd.com> References: <20241202055031.8038-1-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: 8bit 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: CH1PEPF0000AD79:EE_|MW3PR12MB4460:EE_ X-MS-Office365-Filtering-Correlation-Id: 8c8db48d-e11a-4351-0a6a-08dd129569ae X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|36860700013|376014|82310400026|7416014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?aXpYc0tMZ2hBdG9XSW9LVzFNUHBlRDNvTVBzbXNFSUluQStaUlJLVGVCODFj?= =?utf-8?B?ek0xbk9Oc0p1RWJ5OFZjUm1SNlpDK1JRZkJzY2MzM3kzU1o1amkxdm9jOC9t?= =?utf-8?B?azB6NTl1eUFYSHRCcFF1QWtrQmp1Rnd6MzNXaGxHZVVqZStOcUtXZmNEQ1dq?= =?utf-8?B?SStKK2UxM3lLVFJ4bVdpa1pXbFhhZFJTNVh4UjVabnJGN2tJWW52NUFxVC9o?= =?utf-8?B?NnRVZUxrL2FkWks1RDdVeWdheEJBb3MxVFFmQ0x1cGkySXAyeFZOampIMnBW?= =?utf-8?B?WnFUcUlBaVQ5cExnWGdlTzBjeG5HeGpkbnk3T3cyR0dxaDlVVWxnVVUxcjZD?= =?utf-8?B?YU1SQ0k0aWNuRnMwU0R3S2REVldzYUhIYjlQRzBlQm5aYlNGbmlHdlRXclNv?= =?utf-8?B?bjUra2FCazZOVDZIMFZ6OUFRM0ZsZ05DdlcwdmFTdlJ4ZExubkVJNUo0eVFI?= =?utf-8?B?OGQrdjhUdmlzWGZLYkVKd1F4Y1UyanpRZW9WZ3RqM3FMM1VSZFpVMTVjWmk5?= =?utf-8?B?bFdvbk1OZWZWbjU0NnlmSDBDaEhHdzRFY3hwcHBrNlRQY0R1M21qamdIOG1P?= =?utf-8?B?ZHg3WkcxemcxOGdsM0NDdDR4K0N6aER1aUUvKzlEQm5ic2xhVjZXRzdHY0V3?= =?utf-8?B?RkpEZHhaT3FxRWp4TXJ6eWhPdmd3MWY2eUlXWkk2OVpJbUxpYVRKandUUUc3?= =?utf-8?B?TS9BWXVwU3JUYjhLd2F5aVo3SVNMS1I2WmMySDlvT2N1MU9mUnU4b0Voa3JE?= =?utf-8?B?bmNzcUpxMVprcUN4Qm1DZDVuMVpiOE9YdHl5L3BNWTlaODlFb1BzRWQ3K094?= =?utf-8?B?NnRDR1FWdkNJdzVDVnZqSGpHQVc1T0grMjVONDA4TkdJMFh6dUpOOEsrYnAr?= =?utf-8?B?TVhrTS9rR05jTEdPMGF2eFFCQ3dqbVI4eTFWN1FPenozRFM0V25yYzF0em5s?= =?utf-8?B?SFVVNHhYRURhUmxhQ005dDB3bmZzN1FkMWUvVWUxVUdsSU1Uck1oczdlOW9R?= =?utf-8?B?V0dMVmdKc0p2bkV1d1ByZEgzcTIzR0tHd3JyR2RnM2wvbXltdTk5QklkMy9C?= =?utf-8?B?aTVxY2Zlc3VidWFZK0NQcjRTMEJTMUxrSEhyY1BKa2hpdFJsaXZhQ3JiTUtT?= =?utf-8?B?UjUwT2QvR3NHZ05vZkNmSHB2ZnFXdEJEd1o2YTFYSER2TUV6NUFXUnprZ1Jq?= =?utf-8?B?TWE4a0t6Slg1OFVvRWplK1kxYjJWOHpNWkIxMGJISk80RGlVWi81MERuY3RV?= =?utf-8?B?VlVnWU9JVkhiU2hBdVEvMWRROHNVMkh3aGNNdkNDSDY4NlhFQnRNdXYvN3ZO?= =?utf-8?B?emV6VDZoVlpCU21CUnZPU2NQdDdYTUVTdEpSbzR2d04wclYxVy9VVHBlV2oz?= =?utf-8?B?V05vY3RZTDRUZ1g1UTVQeFF6NGRoeWpYS0FPa3NhWEEzQjN6L3VoR2Rrb0hk?= =?utf-8?B?TDV0MWFvY0lFbHR5SHluTmhBR0hIUXpEYUhHZ2V4SStBWUZHeGwyMi9TQ2NR?= =?utf-8?B?T1NMQ28rK0hCOVV1Y2N5TmJ1WmxJVDZHZHE1S1NubTZzNFBCTXFiMEx0REs0?= =?utf-8?B?ZWlabEZLT0lTQm0zcW1LQVJGT1BvbTV1UEs1TmprSHBtQ1A0ek85cXhuTzh3?= =?utf-8?B?ZDljTmpQUjdldnF0bzFZaXd4RmRRazRGbGxXWmkvbFN1T2xydGV6dkF2cVU2?= =?utf-8?B?WFRPVWoxZHRpajk0SHNzTWhxYzNpeGdpV1djcllMU2ZtR29YYjlHRi9iWWJY?= =?utf-8?B?VFY3TkYzckVwOW1VeFluSmZDckFHUjhxcGZvaml2c1cyZ2Rqb2RtVGxVbVIz?= =?utf-8?B?SWNTMkhzL28rMC9jVlB0eWorMEw3RnFlT2c3SDlIUitWVWZ3TUxqb0pCMkhn?= =?utf-8?B?U2NTZTRYSjBCS3ZuV1AzdmZPVFNjZFZrZzRUSDlTaitOeFZ3SmM1aGhzcUsz?= =?utf-8?Q?7p++BDZOu9c=3D?= 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)(1800799024)(36860700013)(376014)(82310400026)(7416014);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2024 05:51:48.8137 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8c8db48d-e11a-4351-0a6a-08dd129569ae 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: CH1PEPF0000AD79.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4460 The `choices` file will show all possible choices that a given platform profile handler can support. Tested-by: Mark Pearson Reviewed-by: Ilpo Järvinen 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_profile.c index 49a8bd6e97ece..885f41bca6c25 100644 --- a/drivers/acpi/platform_profile.c +++ b/drivers/acpi/platform_profile.c @@ -25,6 +25,28 @@ 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 @@ -41,8 +63,27 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr, char } static DEVICE_ATTR_RO(name); +/** + * 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 = dev_get_drvdata(dev); + + return _commmon_choices_show(handler->choices, buf); +} +static DEVICE_ATTR_RO(choices); + static struct attribute *profile_attrs[] = { &dev_attr_name.attr, + &dev_attr_choices.attr, NULL }; ATTRIBUTE_GROUPS(profile); -- 2.43.0