From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 30127C43334 for ; Thu, 30 Jun 2022 19:34:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235729AbiF3Tef (ORCPT ); Thu, 30 Jun 2022 15:34:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233279AbiF3Tef (ORCPT ); Thu, 30 Jun 2022 15:34:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E885840A2E; Thu, 30 Jun 2022 12:34:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 404ADB82CF7; Thu, 30 Jun 2022 19:34:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C204FC34115; Thu, 30 Jun 2022 19:34:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656617670; bh=wuKRXOfmB8SfRRAwoXNDYkZyOABp9iiRq5kh8gETWtA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dUP18hM/+Z0ZRBUe7RjiwFe60fIYiNSC6bQfruGZ1cLgBrtRsa4yPDJD4a0qeyne2 H8p3DVMlNt7MhoULUhCBI4jVTWxNDW++jS1V9zvjZrNln8Li/suhwZybIW8SAeqxkV 6kEo+5nofDk6edE5uFCi3odOuZwh5jeEoNPu76v4Gv8lCUFQf6cPQ0UKCyxwthThZq /yyUSpzmq1KC0yHC6+IxCc1qSzuKCMFBurkBwdZoa2iJXjuW/0tOG4eswHDjfWUmrt NOVJH51XCPeaSn1oMdT+WGZOYyzsJxMhvb4IqzgqT89b8kaKoT3F7tweWXY158bWPw 1+pZ/+BgC3yxQ== Date: Thu, 30 Jun 2022 20:34:25 +0100 From: Mark Brown To: Pierre-Louis Bossart Cc: Stefan Binding , "Rafael J . Wysocki" , Len Brown , Liam Girdwood , linux-acpi@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com Subject: Re: [PATCH v5 2/2] ASoC: cs35l41: Read System Name from ACPI _SUB to identify firmware Message-ID: References: <20220630150135.1799535-1-sbinding@opensource.cirrus.com> <20220630150135.1799535-3-sbinding@opensource.cirrus.com> <2cc37f6d-72a7-9064-cad2-c6c6d21ede61@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="6WIiVmLhV0mRmQLA" Content-Disposition: inline In-Reply-To: <2cc37f6d-72a7-9064-cad2-c6c6d21ede61@linux.intel.com> X-Cookie: Today is what happened to yesterday. Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org --6WIiVmLhV0mRmQLA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jun 30, 2022 at 01:35:05PM -0500, Pierre-Louis Bossart wrote: > It's my understanding that the _SUB method is optional, not required. It > may be wise to plan for a fallback, e.g to use DMI quirks or other > identifiers, no? Presumably the fallback would go into cs35l41_acpi_get_name()? --6WIiVmLhV0mRmQLA Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmK9+sAACgkQJNaLcl1U h9C/Xgf/eroOM+YAPUoAaPvxrWc9YxHojGREu1luQnq3pYAoa+AcA8+oOIMLMp/V iEglKVXB1Lcb9j1XN9O3zFFikHyvlbsYmtZCNgbfJe6cY6ea2TllZDuDixAjtE0D eJiL89ksDLjfEMqm4LPeCVp/CklyHDA95DJjP7KQWE1G5qNYzXuydDD7SuS1uR1W CgR8h+r2RHtIOrYVz2zun+HgEnIdjmEscfWCBg0HE9TPndEr6ByxXIkaL0/N0CAY t2UukWklkWH1bbhqrHCvfBq7uEGs3n8tMuaXxTP9LAaiaoDytDMUuP79zHphoxya AUJYkR0+xevNWE1S/JCM3F2EeexGYw== =z3ss -----END PGP SIGNATURE----- --6WIiVmLhV0mRmQLA--