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03 Feb 2023 07:11:23 -0800 Message-ID: <1473e1e9-b368-d8f3-c1f5-1b64e6e2ed90@linux.intel.com> Date: Wed, 1 Feb 2023 17:08:57 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.4.2 Subject: Re: [PATCH 01/19] ASoC: amd: ps: create platform devices based on acp config Content-Language: en-US To: "Mukunda,Vijendar" , "Limonciello, Mario" , "broonie@kernel.org" , "vkoul@kernel.org" , "alsa-devel@alsa-project.org" References: <20230111090222.2016499-1-Vijendar.Mukunda@amd.com> <20230111090222.2016499-2-Vijendar.Mukunda@amd.com> <9f2229fb-499b-f802-993b-56a7ad2ce361@linux.intel.com> <257b6f1e-f403-573f-3978-13ffb14342ad@amd.com> <2b4c12ce-2586-0277-ede0-560f8317e4e4@linux.intel.com> <27eabbf2-eff2-0964-b72b-f9db251c3b57@amd.com> <87ddd91b-fb5f-4f27-942b-dc439b32ce20@amd.com> <2ea354bc-4263-1db6-4423-4de1b0d4e535@amd.com> <815ab487-a1a3-1978-94fc-b60e931c2848@linux.intel.com> <7b8fe2b6-84cb-e8c8-22aa-2d940a5c68b7@linux.intel.com> <9e6200ee-9b21-66d1-6bb1-832ec7399111@amd.com> From: Pierre-Louis Bossart In-Reply-To: <9e6200ee-9b21-66d1-6bb1-832ec7399111@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Katragadda, Mastan" , "Dommati, Sunil-kumar" , "Hiregoudar, Basavaraj" , Takashi Iwai , Liam Girdwood , open list , Nathan Chancellor , "Saba Kareem, Syed" , "kondaveeti, Arungopal" , Sanyog Kale , Bard Liao Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 2/1/23 00:01, Mukunda,Vijendar wrote: > On 01/02/23 09:22, Pierre-Louis Bossart wrote: >> >> >>>>> In above case, two manager instances will be created. >>>>> When manager under SWC1 scope tries to add peripheral >>>>> device, In sdw_slave_add() API its failing because peripheral >>>>> device descriptor uses link id followed by 48bit encoded address. >>>>> In above scenarios, both the manager's link id is zero only. >>>> what fails exactly? The device_register() ? >>>> >>>> If yes, what the issue. the device name? >>> device_register() is failing because of duplication of >>> device name. >>>> I wonder if we need to use something like >>>> >>>> "name shall be sdw:bus_id:link:mfg:part:class" >>>> >>>> so as to uniquify the device name, if that was the problem. >>> Yes correct. >> can you check https://github.com/thesofproject/linux/pull/4165 and see >> if this works for you? I tested it on Intel platforms. > It's working fine on our platform. As mentioned earlier in this thread, > we can't go with two ACPI companion device approach due to > limitations on windows stack for current platform. Thanks for testing. So if you can't go with 2 ACPI companion devices, what does the 'Windows' DSDT look like and how would you identify that there are two controllers on the platform?