From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@kernel.org>
Subject: Re: [PATCH 10/13] ASoC: AMD: add ACP 2.x IP DMA abstraction layer
Date: Fri, 18 Dec 2015 11:22:33 +0000
Message-ID: <20151218112233.GY5727@sirena.org.uk>
References: <1449272440-8735-1-git-send-email-alexander.deucher@amd.com>
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To: Alex Deucher <alexdeucher@gmail.com>
Cc: alsa-devel@alsa-project.org, maruthi.bayyavarapu@amd.com, lgirdwood@gmail.com, dri-devel@lists.freedesktop.org, rajeevkumar.linux@gmail.com, Alex Deucher <alexander.deucher@amd.com>, perex@perex.cz
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On Fri, Dec 04, 2015 at 06:40:37PM -0500, Alex Deucher wrote:

> ACP IP has internal DMA controller with multiple channels which
> can be programmed in cyclic/non cyclic manner. ACP can generate
> interrupt upon completion of DMA transfer, if required.

Why is this separate to the actual driver - what's the abstraction here?

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