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b=ReE+qO5Ch7tIX5tyFPXl6MaCpb7p/nKatmM0XRsAl7h1kJk17utERVZ5+8KDDfxDNYTvzXfKjxgZ4AenIFjDeMrYgW7AqKStfTCDSoQcAONuNmtrhRSz7gPGPpxSLFBqp7QEIdScrgSBh6bhxGJvov5hj4HmO+yBX7yqJXPJ07w= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=renesas.com; Received: from TYCPR01MB10914.jpnprd01.prod.outlook.com (2603:1096:400:3a9::11) by TYAPR01MB6281.jpnprd01.prod.outlook.com (2603:1096:400:86::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7202.17; Mon, 15 Jan 2024 01:43:17 +0000 Received: from TYCPR01MB10914.jpnprd01.prod.outlook.com ([fe80::91d:1bfa:edc4:1c5b]) by TYCPR01MB10914.jpnprd01.prod.outlook.com ([fe80::91d:1bfa:edc4:1c5b%7]) with mapi id 15.20.7202.017; Mon, 15 Jan 2024 01:43:17 +0000 Message-ID: <87mst7tlqi.wl-kuninori.morimoto.gx@renesas.com> From: Kuninori Morimoto To: Sameer Pujar Cc: Thierry Reding , Mark Brown , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, robh+dt@kernel.org, Jon Hunter , linux-tegra@vger.kernel.org Subject: Re: Query on audio-graph-card DT binding In-Reply-To: References: <42c0c4fa-585e-4194-bbe4-e0377c87e632@sirena.org.uk> <3faec2e9-8cd9-46f9-8807-801922de0edf@nvidia.com> <8241c953-8ae5-4f26-b108-fccf826ed87a@nvidia.com> <875y03i739.wl-kuninori.morimoto.gx@renesas.com> <87il42gkua.wl-kuninori.morimoto.gx@renesas.com> <8734v4y9yu.wl-kuninori.morimoto.gx@renesas.com> <87o7dswjry.wl-kuninori.morimoto.gx@renesas.com> <87le8wwi2u.wl-kuninori.morimoto.gx@renesas.com> <87v87zeasq.wl-kuninori.morimoto.gx@renesas.com> User-Agent: Wanderlust/2.15.9 Emacs/27.1 Mule/6.0 Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?a23qxHtxqjuu14+7Rq3TbNP8lLNdmR9GJx51b18sJbk0SpSGMquIrW39VTI/?= =?us-ascii?Q?W3Jvxeg8wOimsCwvqOtxlq7rLPMq3YzptF02vniOMntQv6mOLMwJONoHXUlX?= =?us-ascii?Q?9k/SWPd9EBtHa0x/aNftbuQhi9ALbuJndz4vb0R47pEM/fdw7W5ZWyVZ41Js?= =?us-ascii?Q?u3La7CXsual++8bdtz5cWhpa8FIJ3vvLSs85FLOP5j+8sz+Gti+O6fjsQiZx?= =?us-ascii?Q?6NPw1oygHKgw1VDLMiNS/LhyWmCn0yigHM6wxCEbLqsgjD9+3OvxsITwAd1Z?= =?us-ascii?Q?YdHp0OnkbNdDV40gbRZ4fz/1Yw8qqk9JyEeg1AxdukBYnLYTEkkx1lOc99/y?= =?us-ascii?Q?aNoKHPooM0BMz/MbjNuHXUoSQmVR3uzErwhhsU32lgSIP2ypsCAVB0XXBTC1?= =?us-ascii?Q?cvrhWR66mSU2BTqKQSrYT1KQYctohxhXNmFq6kcWp+Z03PUdiB4Ku4rvxU+M?= =?us-ascii?Q?vWf/NPTob6adhJ/crVAAU5dd//9gB4HLLkp3YBfpJ40wSteQfFz+3UDKp1WP?= =?us-ascii?Q?wozRbA7q4nehH9bVNTk5t7Eu3rh7SjToiPowj/EDJgPK2mfWiH7xGCdxBqEp?= =?us-ascii?Q?Gap/uBewyxoWidPCvbXVj0veh+QpEsuvklnLyOaYcFZlp4on+dKid8EiiehR?= =?us-ascii?Q?zhYoUbc7Oi112+E3DnufxKi8BM6b8N+DAFf4v7vO+qJhTGMAzWcCXDoTSrZR?= =?us-ascii?Q?5F5Z4rRiKkCigMjRBLw3xR8k8/AsUVLck4IckO4lgyx0dNHytKevsY6yzzgE?= =?us-ascii?Q?Obiz+hI3qwafu3/1La6Och2A5wnk3Kz/WNYDabiV7n9NnvkBMjxKEEiWTiGp?= =?us-ascii?Q?8NMxPXAXiz+OxV5iaZVtDxyx6GCfUuygcxZJSePYtWbnrljN8yZnSwMd6dOH?= =?us-ascii?Q?ssxuTtDe3/61S95G5U6R6tcWGAM2UpLnJIIAqP3XZU0PtaM3aZqhLgRTZfgR?= =?us-ascii?Q?dXIdpPUmstzvCWJDrOhJU37Ses8FOvTx4tEKJk0MNYkOLd+OxzM2JIGZ3Ujg?= =?us-ascii?Q?kf721p6HMnCdaJLs5K0plX5K9A8Vw5rfGi6r5nOncnMW3flZGiNAHvQaOMOp?= =?us-ascii?Q?yEgLoMl6rRAMXMNfzsKy9fvLYuZIe7/h6ehhgWbNGDYIhxn4pwjmmp4AHW4u?= =?us-ascii?Q?89PsCJOG091DAkzusbxRkUETdjTBQZNr/VKanXBc9zPCk7A7PwaShABnl6Fb?= =?us-ascii?Q?Fh6q3d1yJHpwzwXoSohL+Xv8qVfboMwsOXrZsMhLDPuOzHTE5RUbTPgGRiqH?= =?us-ascii?Q?/lQTC5aPng9Cq3XgXCQBk5GwU9knXraGJUBWXrI6PWNMvsYgmqk7KKsUG67F?= =?us-ascii?Q?LsuUSMW1VrRQ1hY0J1qC57ZC/0oVGenIqXnqIWFGWotFxlBm5C9tP5R/BrMK?= =?us-ascii?Q?xM3+L6gVQPOfy+azEcbMmFOi60CAhxx9JMJczo/w4qf2FU5wFFI4mJGkS7ze?= =?us-ascii?Q?3OI1qOHLsQsOYCxkSHeyNILVoo4CvUYDJ7QlNE+OcCQ1LWiFBM9xZytvbUBh?= =?us-ascii?Q?ICiOzoBcRjqbRj2lLoUpC+D8ylAronu5NfoUEvSM6qsKQYkQwKKNgl5OL6EK?= =?us-ascii?Q?7oHFB6q3KQRRQI/oqa0AVFweU1lnE98ou7t60QIjEkJRTpMXW46FSK1NXY/8?= =?us-ascii?Q?oNF1K96k+UMyfu5yo7RmpOE=3D?= X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8e5e5109-bedb-49b4-1689-08dc156b58d3 X-MS-Exchange-CrossTenant-AuthSource: TYCPR01MB10914.jpnprd01.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jan 2024 01:43:17.7076 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 2qfKnA68MKmwJV517i674C/0DHTm13Vxg70f4+bWd7jVMABy3wfuG2wFy9Y89EUUYIR41Aul7w6TV/WEJzIxzvpqrGLX230hAXeNDBwyymbuE2ZA90ZdFIIrGBpgc7aS X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYAPR01MB6281 Hi Sameer > Thanks Morimoto-san for references. I need a lot more understanding on > "card2" before commenting anything further. Right now I look to > continue using "card" driver and have an easy DT extension, if > possible, without disturbing existing Tegra users. I hope it would be > fine to push changes to "card" without affecting existing users. "card" and "card2" are indeed different, but similar I think. I hope you can use "card2", but if you want to use "card", you can use "custome card" feature which is zero effect to existing "card" users. "tegra_audio_graph_card.c" is already using this feature. see audio_graph_parse_of() Thank you for your help !! Best regards --- Renesas Electronics Ph.D. Kuninori Morimoto