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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