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Date:	Wed, 7 Oct 2015 10:27:14 +0100
From:	Mark Brown <broonie@...nel.org>
To:	sugar <sugar.zhang@...k-chips.com>
Cc:	alsa-devel@...a-project.org, heiko@...ech.de,
	linux-kernel@...r.kernel.org, tiwai@...e.com, lgirdwood@...il.com,
	linux-rockchip@...ts.infradead.org, perex@...ex.cz,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] ASoC: rockchip: i2s: add 8 channels capture and
 lrck-mode support

On Wed, Oct 07, 2015 at 04:01:38PM +0800, sugar wrote:
> 在 10/1/2015 02:46, Mark Brown 写道:

> >What makes you say that the symmetric_rates flag can't be used to cover
> >this case?  What you describe above is hte normal reason for needing to
> >enforce symmetric_rates.  The driver should be able to check if the flag
> >has been set just as well as the core is.

> Got it, How about the following modify?

> if (dai->symmetric_rates)
> 	regmap_update_bits(i2s->regmap, I2S_CKR,
>                            I2S_CKR_TRCM_MASK,
>                            I2S_CKR_TRCM(val));

Yes, something like that.  You'll need to check both links in the DAI
and the DAI link itself rather than just your own DAI but we should have
a helper function for that - I'll add one, look out for a patch shortly.

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