linux-kernel - Re: [RFC 1/2] ASoC: dmaengine-pcm: Add support for querying DMA capabilities

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Message-ID: <20130715172643.GZ11538@sirena.org.uk>
Date:	Mon, 15 Jul 2013 18:26:43 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Liam Girdwood <lgirdwood@...il.com>,
	Vinod Koul <vinod.koul@...el.com>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/2] ASoC: dmaengine-pcm: Add support for querying DMA
 capabilities

On Mon, Jul 15, 2013 at 06:42:10PM +0200, Lars-Peter Clausen wrote:

> +	hw.period_bytes_min = 16;
> +	hw.period_bytes_max = dma_caps.max_sg_len;

We can't read the minimum period size from dmaengine? Seems like
something might have a restriction other than 16 bytes here.

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