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Mon, 26 May 2025 16:54:04 +0200 (CEST) Received: by pc51235-2237.se.axis.com (Postfix, from userid 3319) id 1E0BB40364CE; Mon, 26 May 2025 16:54:04 +0200 (CEST) From: Johan Adolfsson Subject: [PATCH RFC v4 0/2] leds-lp50xx: Support reg to set multi_index. Date: Mon, 26 May 2025 16:53:59 +0200 Message-ID: <20250526-led-fix-v4-0-33345f6c4a78@axis.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: 7bit X-B4-Tracking: v=1; b=H4sIAIeANGgC/12MQQ6CMBBFr0K6dkyZzlRw5T2MiwJFmqiY1jQYw t0tmAhxM8n7mfdGEax3NohjNgpvowuufySgXSbqzjyuFlyTWKBElogMN9tA6wYgorZiIi7IiPT 99DbNS+l8Sdy58Or9ewnHfF6/DZb614g55MDaqLJiNoe2PpnBhX3d38WciLjREFcNQYJmlKQVK lurP01tNbVqKmmFblCXcj7FRpum6QN2ehcvCwEAAA== To: Lee Jones , Pavel Machek , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Davis , Jacek Anaszewski CC: , , , Johan Adolfsson , X-Mailer: b4 0.13.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB1PEPF00050A00:EE_|DU0PR02MB9612:EE_ X-MS-Office365-Filtering-Correlation-Id: ae6b3fe4-b770-4bbd-fd16-08dd9c652987 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|1800799024|82310400026|36860700013|13003099007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?ZUxqWjQ2RmFEZVdPYnFwYmduTGtxN0RKdnl1NzF0bHJVa1dDa2xMeWpuVjdM?= =?utf-8?B?V2JEVkEwS1hxK3BDT3ZuVjdxVEhhTTRZc0ZZaEJ3aWlVa1Ura2VvWVNrNmU5?= =?utf-8?B?RE5yaFZYTkNiVEhla3VUZ2twN2hIWU5CNDlGc1UvMXBiR25FbnkrcXlKc2ZM?= =?utf-8?B?RTJZZncxMFZCL3ZYMDEyUXFFRWFDVVNMdmJGdDU5NFNYOURKb2owbHIxbDlW?= =?utf-8?B?L2tvZnlEL0c5aWFhOFZyZ2lxZTBFT2IyUGMvWmVXOEM5R2ZGNnlQTUdvV3pj?= =?utf-8?B?NjZPa3RTdG10Z2xPS3RKdnlTQXFuM0dnK0UyMU9RbU1VOFdCMFhrOE5GMldm?= =?utf-8?B?dDlkNElMRWxZaC9YQlJDMXRIRDVSVDRiODZrcFlnWVZoY3E0MVBUUWtHdTNa?= =?utf-8?B?VUM1amw0bEJyNVFDT1lFUUhKOG14SE1UNnB1SlRXb0dCTzgxd0c5NGgzclRr?= =?utf-8?B?OWlydVY5V1E5dU5FL2xzSVQybTMvaExSUXFINnFkOTVDaFFXLzU2eUtrTWxu?= =?utf-8?B?RVVlMnNyWk9ZV0lSZW04L0k4UytzSlJBdG9xM1habkw0cXF6STNmRXFUZ1pY?= =?utf-8?B?SFRTZzhJSFN0MjFHc3RITDZhTjd1SW1IUWtsVGE5SHRuRi96dWFTbmJmOUgr?= =?utf-8?B?THR4czBoOU45a2tLbzk2bmtOMUc4OEZ5ekwzU09odU02MHo1VFh5STB0bW9y?= =?utf-8?B?S00xMVI3NjVRUkViK2UwWHJRZTU2c2NnV0dlM0VQMGdtYzdnVXJ3d0xERXhY?= =?utf-8?B?V3ZaRndGQ3lmTzdZRXNGcldJbGtTdm1xdTk5NW1MYjVCcE9XSmZyYXc2RThQ?= =?utf-8?B?WDlCRHRvRDRnMjY5UGZBKzBKNVovdFRBTk5wU0JRNGsxNlVFd05OV1RHdCty?= =?utf-8?B?ZlNlR0FWZjZscldwUUYyekxZV2d5U1VUQkZPOHF6b00xUExmQTFqWmtxVlhG?= =?utf-8?B?VUZYanRQVFhzL29xVStodTArNUJJT1k1bFFpWk9RSzlZWkJxWm9GZk9aeDhH?= =?utf-8?B?Z3l0UU0vMUozaFVHR0tjYmF6RFpjcy8wdCtVRVYzWnNJbEQrUlMyUW5iKzBY?= =?utf-8?B?cFNlLzVJR1pKTmRvK3NteWtpQURZRHN0UXhXK3pMKzZ6U3pJdHpOQ2VUanBk?= =?utf-8?B?M0dTdEVvVTBZekhSd1l4S0JZZXBGVDNnUkk0QW5mc1RsY2IrRXV0bmNzZ3lj?= =?utf-8?B?SE5TVkpKUFZMMU0zNmFKNGVWeGlhY0QrTFdzZ3o2T2pTd2U1WWd3WEpGeGhO?= =?utf-8?B?L29kS2ZiSTNSTDZmMDR6NEE4WmJvLytBMm5tV0I2VGpkYVN5UG1xUGNidXFZ?= =?utf-8?B?eGFNNjg4V1k3UFMyMkVRNmhFYTBySXFteW42cE41WW1sNXJRUVJKRkg1dGwz?= =?utf-8?B?b0txKzNONTFKdUp2WlhndXhkdDIrNWRkaC95dkc4Y3dnMUdOMHBWM1ZqNE0z?= =?utf-8?B?NlU5ZWhUSGJCc3ZhTzFzV0NhQ2tReWUxQ3FBQnZ0TWtHMmsvLzVCZTZpaUpZ?= =?utf-8?B?aE1KV3R6S3lnTU50UGExWVFxdEtrZEEzdmtsNjhFWVhVQkZmN1g2NVczT0hw?= =?utf-8?B?eTZGSkFBOW5FdHU2L0djNHNmcFV0OHhmTkxmcStuZE9aYnlQUlA3N1MxYVRQ?= =?utf-8?B?ZUVmNjRMK29hNUJhY1pEaW84Y2t2bkE3N05jNkxhQ1JDTlRoVkNIYlFnUVR6?= =?utf-8?B?bEkwSnpCV0ltbE5QQW80eW00cUZMN0xaQ2pIQjNGNzRURnZVcUlmZVlyQzFF?= =?utf-8?B?Y1ZpTTVuckk1VStOU1c4ck9VQXpMNVBiR2xIS3JBdUJpamcwZk5SUDNETDND?= =?utf-8?B?TERBejdVNzl4bVBidVFiNVd4QlRmTFJxRldUNDZDeDN4U29NV0FqYWhLeU0r?= =?utf-8?B?QUN1ZXRzWkhGOVcrVGJNRm5oU1dYajkwSnN6YU84NmFkbEpCNk1ycWttckhQ?= =?utf-8?B?MVJwVURPb05CKzZyenp5ZHpWMTdDaFlHMTlreVJBdTYwOEpuUGp3NVRuSEdl?= =?utf-8?B?eEJmTnpKckVlSzArMnpSVDRKV1NJNnNWNTJMQVFIUmVjVVJkTGtFRXZHMUc4?= =?utf-8?Q?CgNi4S?= X-Forefront-Antispam-Report: CIP:195.60.68.100;CTRY:SE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.axis.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(7416014)(376014)(1800799024)(82310400026)(36860700013)(13003099007);DIR:OUT;SFP:1101; X-OriginatorOrg: axis.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 May 2025 14:54:05.8360 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ae6b3fe4-b770-4bbd-fd16-08dd9c652987 X-MS-Exchange-CrossTenant-Id: 78703d3c-b907-432f-b066-88f7af9ca3af X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=78703d3c-b907-432f-b066-88f7af9ca3af;Ip=[195.60.68.100];Helo=[mail.axis.com] X-MS-Exchange-CrossTenant-AuthSource: DB1PEPF00050A00.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR02MB9612 Since devicetree nodes are (sometimes?) processed in reverse order, support reg as the actual multi_index index so yo get well defined color order presented in the multi_index file. Not sure if reusing reg for this is the correct way or if another property such as "multi_index" or similar should be used instead. Looks like reg is used for similar things at least. Or should the whole "reverse the devicetree" problem be fixed instead? Update bindings to match implementation, and add description for the reg property. Signed-off-by: Johan Adolfsson --- Changes in v4: - Remove maxItems from devicetree schema, not compatible with minimum and maximum. - Link to v3: https://lore.kernel.org/r/20250523-led-fix-v3-0-86d2690d2698@axis.com Changes in v3: - Update To and Cc. - Rephrase bindings descriptions, add constraints. - Link to v2: https://lore.kernel.org/r/20250522-led-fix-v2-0-652046323ec3@axis.com Changes in v2: - Avoid duplicate assignment. dev_err and return -EINVAL on error. - Update bindings doc. - Link to v1: https://lore.kernel.org/r/20250506-led-fix-v1-1-56a39b55a7fc@axis.com --- Johan Adolfsson (2): leds: leds-lp50xx: Handle reg to get correct multi_index dt-bindings: leds: lp50xx: Document child reg, fix example .../devicetree/bindings/leds/leds-lp50xx.yaml | 19 ++++++++++++------- drivers/leds/leds-lp50xx.c | 8 +++++++- 2 files changed, 19 insertions(+), 8 deletions(-) --- base-commit: 0ff41df1cb268fc69e703a08a57ee14ae967d0ca change-id: 20250225-led-fix-444fb544584a Best regards, -- Johan Adolfsson