From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) (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 983BD3B7769; Wed, 15 Jul 2026 08:00:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.238.236.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784102404; cv=none; b=UINlpNNwmj9AcD4Pc2OslyKoIrZJ0RUpjcQkDL6BfBBNdy9bOEfqSmd8r+ADHIGePPcGSf7KSG/cDT2LJGm1nTqjQDuxz7viO1Fy8O9EdZG919+AEYaInOzPJU2O4ZB847TZ6gdP5Hlx0KMVvuRgHrngzRcH0/Q5wwJOzC/aby8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784102404; c=relaxed/simple; bh=HSrqo3rPcHBi8CgB9LxOsFM4lZo+LcatZQj6Ixlc4p4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sGK0UYB6cpaRFAdi9+p5hz55wIDxZSma/2pXSQFI1C+LbUaqtN+tXrdhv/oKNw7tniM61ztiCVin7tNMaxFou0CcN3KsihIaPaigCLFg+Yv5JIllxMe91WB9MipIamyRKAZrUGHPq/nIEcOrSls9dm7fMm8wKqFKQI+T7MgkSz4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info; spf=pass smtp.mailfrom=kemnade.info; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b=HST9/G8Z; arc=none smtp.client-ip=178.238.236.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kemnade.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kemnade.info Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kemnade.info header.i=@kemnade.info header.b="HST9/G8Z" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=References:In-Reply-To:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description; bh=N3CkAi0NhBu7kRLp3iC2P9Ehn1eHefsaOWNM8LYTF4k=; t=1784102402; x=1785312002; b=HST9/G8Z+JPHih65JxX5X3Ki3eX9Cc5olT6uLNJWZIGQj4oR7YWI97EaeqPGG02p0hIuJJ7Qliz aARvUH2AqRhhKyN+g2Di/RqqESQUsd7K46blbgpQF8Kc2p4xyV+KDVo3imiz19aQ+HetpwQbFJ9U1 oT4KJ9UC9fboEVFuY96adEuY4032knMEcZ+5l+rgap0mzb0aOh1573g47/j/+8SrqA83ttkDyQTgR pAe8RYIo38kjBSJpjEpqtHRogtx5O5Tbo3dxD3e4jb9CSxrnOcyRaONQfJFoyO+XKV6NjFMUyTzDu q7BkZXi9f1Is6Lt3WlaJDe3B32FdDUCSeIZQ==; Date: Tue, 14 Jul 2026 20:36:04 +0200 From: Andreas Kemnade To: "H. Nikolaus Schaller" Cc: Grond , Stefan Leichter , Grazvydas Ignotas , Tony Lindgren , Ethan Nelson-Moore , Jarkko Nikula , Sascha Hauer , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Girdwood , Mark Brown , Aaro Koskinen , Kevin Hilman , Roger Quadros , Russell King , Daniel Thompson , Jingoo Han , Helge Deller , Jaroslav Kysela , Takashi Iwai , Sen Wang , Richard Fitzgerald , Arnd Bergmann , Srinivas Kandagatla , Kuninori Morimoto , Charles Keepax , Niranjan H Y , letux-kernel@openphoenux.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, kernel@pyra-handheld.com, mfd@lists.linux.dev Subject: Re: [PATCH 06/16] ASoC: twl4030-codec: Allow setting APLL rate through the .set_sysclk() interface Message-ID: <20260714203549.4b070f72@kemnade.info> In-Reply-To: <7ea589f951baf1e217c7169ae21c0bf510672ecf.1783749722.git.hns@goldelico.com> References: <7ea589f951baf1e217c7169ae21c0bf510672ecf.1783749722.git.hns@goldelico.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sat, 11 Jul 2026 08:01:53 +0200 "H. Nikolaus Schaller" wrote: > From: Grond > > On the Pandora, the APLL is actually what drives all of the audio > clocks on the board. Since the TWL4030 is only used for capture, we > need some way of setting the correct rate for playback streams, since > they will not go through the TWL4030's .hw_params() code path (which > is normally how APLL rate is set). > > Signed-off-by: Grond > Signed-off-by: H. Nikolaus Schaller As a general comment: might we model this as clock provider (and maybe that enables the usage of a generic audio-graph-card)? Regards, Andreas