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dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=due3BtFl Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 1628ECE0FC9; Mon, 24 Jun 2024 09:24:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6499C2BBFC; Mon, 24 Jun 2024 09:24:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719221056; bh=PoG110+Vg9Kgqy0v9zC+kNlBkxyCHRY9nhFLkjlrhKE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=due3BtFlFpfgKEoERX3fWNf4oJKGPBMwIoryIkimKottOc66Ck0FU7HIwTfLlCARG G7Xdx+V9429rz5iPhEqY/+CegI4X+wEYm4yDrP3NwShzKh0dK3PeYSp5nWzMrnxQK8 Fa3OrCbsREZxIuubaVRr2emrcHuwluCgtQnvMTcSZi4UOdoyMo0mQL9lAz/2zu2LFL 5b5ZfpDvx9DGr12lX4IZKCLWoCP/TEQknzrz1DQdIA5wpWGIZOu7JgakX3wcxVkXqd XxY6Kbe+AlhjcuKHcdVPO44im+ERbE2roQFjgyxxHDuXb6AnM+T5H5ca4Ielm2Ks1I 61To1rpQYfpqg== Message-ID: <1e26e816-5bb5-4592-8e2a-d5315bb7482d@kernel.org> Date: Mon, 24 Jun 2024 11:24:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv5 7/9] ASoC: dt-bindings: imx-audio-spdif: remove binding To: Elinor Montmasson Cc: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Russell King , Catalin Marinas , Will Deacon , Jaroslav Kysela , Takashi Iwai , shengjiu wang , Xiubo Lee , Nicolin Chen , Pengutronix Kernel Team , linux-sound , devicetree , imx , linux-arm-kernel , linux-kernel , alsa-devel , linuxppc-dev , Philip-Dylan Gleonec References: <20240620132511.4291-1-elinor.montmasson@savoirfairelinux.com> <20240620132511.4291-8-elinor.montmasson@savoirfairelinux.com> <17a0efe3-72fa-4d13-b3b0-90e6640308f3@kernel.org> <1566099232.1714447.1719219107779.JavaMail.zimbra@savoirfairelinux.com> <42b32958-89ee-43b6-96d1-f3e18c7d8955@kernel.org> <1048207382.1714780.1719220717882.JavaMail.zimbra@savoirfairelinux.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Message-ID-Hash: JNWCO6W47YSLXPY5XAPO2QAG5YBIT5CQ X-Message-ID-Hash: JNWCO6W47YSLXPY5XAPO2QAG5YBIT5CQ X-MailFrom: krzk@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On 24/06/2024 11:18, Elinor Montmasson wrote: >>> >>> Previous `imx-spdif` driver used the dummy codec instead of >>> using declared spdif codecs. It was discussed in previous version of this >>> contribution >>> that using the dummy codec isn't good practice. So one to one backward >>> compatibility >>> isn't really possible. >> >> Heh, that's not good. This is improvement, cleanup. While it is >> important and useful, it should also not break existing users. > > > Should I introduce then the use of the dummy codec in `fsl-asoc-card` to > assure backward compatibility at least for a time ? > With maybe warning messages in code to indicate that spdif codecs drivers > should be declared and used in the future ? > If it is doable (reasonable code), then yes, please keep backwards compatibility with old DTS. Best regards, Krzysztof