From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED997364A7 for ; Fri, 15 Dec 2023 15:02:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gmt/0byx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91D9EC433C7; Fri, 15 Dec 2023 15:02:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702652546; bh=7Uq12NB3Lqmbyv5BBuMWFV0Ip7hUgad8tYf8ESmKAd4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gmt/0byxqdwxs1tIKjUxtRAvGv1Lixtlv6Svzfa1IYAnHHWZi12E9s5m0y6sDh+86 wnT3cvE3mCaqBEViRK8vFTkffUFmqilB+aEismErN70gta3lMn4YTSyH5UERIwMPEz 64RCbSbd9GDfFzmXRtmPlJVCFBC4wHQUBjxSlwxXmO99ikm/s2fhUYfaosusaTLczK jrIyftKCgAS5jDWH04h14OXed/QxqgkA9q0/JDOqB2SFovtYI5lo/x8jjTzlyGdcMi bPmp9pudhOmkdMX58WT49ICJ+Cac5I47zj2AeeTg9uu2ta2AaXcIObAUU4xNxrXvND o9YELesNRPFIA== Date: Fri, 15 Dec 2023 15:02:21 +0000 From: Mark Brown To: Gergo Koteles Cc: Shenghao Ding , Kevin Lu , Baojun Xu , Jaroslav Kysela , Takashi Iwai , Liam Girdwood , linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [PATCH 03/16] ASoC: tas2781: disable regmap regcache Message-ID: References: <21a183b5a08cb23b193af78d4b1114cc59419272.1701906455.git.soyer@irl.hu> <0b836c10-b21b-4275-8dd0-254dd5467497@sirena.org.uk> <47097f19398808b64f4cc87c2a3c7cc462fb2416.camel@irl.hu> <5f3f0306-799f-4f3b-9e05-fbd300c59d5d@sirena.org.uk> <9a2b85a8a19e002093e2471a97850d26e335900f.camel@irl.hu> <5b2eb7eb-761e-406d-8d55-b7ea8cddefa8@sirena.org.uk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NJ1n80rz/G09dKBQ" Content-Disposition: inline In-Reply-To: X-Cookie: PARDON me, am I speaking ENGLISH? --NJ1n80rz/G09dKBQ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Dec 15, 2023 at 03:42:43PM +0100, Gergo Koteles wrote: > On Fri, 2023-12-15 at 12:55 +0000, Mark Brown wrote: > > No, I mean that the amplifiers don't talk to each other at a hardware > > level and the grouping is all in software. > No, they don't talk to each other. But they have a global i2c address > to speed up configuration, but the module doesn't use it yet. That's hardware level synchronisation between the devices, that makes all this a bit less horrifying though it seems like a lot of the issues would go away if the broadcast write address were actually being used more. --NJ1n80rz/G09dKBQ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmV8anwACgkQJNaLcl1U h9A4aQf/cqN2aD+4gfz7tn5+zGNcYbOnxBwjcif5LeQFESiiPswlZkYhCE9WaV7T 6TiNXejvAQgg4B68jz095xef6UA3iZLlWiBmIjUywYNHfaODdrn8sYAbvzPwn1gC zVd2mvNaMpUPfEuvlLinLm4+f5t2Ij5n+6v0yfPPpPgXr+Ej+mpX6hwgeV792uBB hYoPyJP0pBF30PuIA8Hwh8ur1SmGxEUb/jdud2q9BY3L1tsNPC45LfyeNqyWtCkP crWfXJzmr99txwkARhkybS8d7vzjuYchJsg6W9oDE0pCUSGPK4Yjz4Duor6Z2qT5 w1lTECv+bXmgRL2bcs5iAmKwl+K+KQ== =bLE1 -----END PGP SIGNATURE----- --NJ1n80rz/G09dKBQ--