From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liam Girdwood Subject: [PATCH 2/5] ASoC: Docs: Platform update Date: Mon, 23 Sep 2013 12:13:59 +0100 Message-ID: <1379934842-4489-2-git-send-email-liam.r.girdwood@linux.intel.com> References: <1379934842-4489-1-git-send-email-liam.r.girdwood@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by alsa0.perex.cz (Postfix) with ESMTP id 3EFEF260865 for ; Mon, 23 Sep 2013 13:14:22 +0200 (CEST) In-Reply-To: <1379934842-4489-1-git-send-email-liam.r.girdwood@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown Cc: Liam Girdwood , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Update the platform class driver documentation and bring it up to date with the current code base. This includes multi component and DSP. Signed-off-by: Liam Girdwood --- Documentation/sound/alsa/soc/platform.txt | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/Documentation/sound/alsa/soc/platform.txt b/Documentation/sound/alsa/soc/platform.txt index d57efad..3a08a2c 100644 --- a/Documentation/sound/alsa/soc/platform.txt +++ b/Documentation/sound/alsa/soc/platform.txt @@ -1,9 +1,9 @@ ASoC Platform Driver ==================== -An ASoC platform driver can be divided into audio DMA and SoC DAI configuration -and control. The platform drivers only target the SoC CPU and must have no board -specific code. +An ASoC platform driver class can be divided into audio DMA drivers, SoC DAI +drivers and DSP drivers. The platform drivers only target the SoC CPU and must +have no board specific code. Audio DMA ========= @@ -64,3 +64,16 @@ Each SoC DAI driver must provide the following features:- 5) Suspend and resume (optional) Please see codec.txt for a description of items 1 - 4. + + +SoC DSP Drivers +=============== + +Each SoC DSP driver usually supplies the following features :- + + 1) DAPM graph + 2) Mixer controls + 3) DMA IO to/from DSP buffers (if applicable) + 4) Definition of DSP front end (FE) PCM devices. + +Please see DPCM.txt for a description of item 4. -- 1.8.1.2