On Thu, Sep 10, 2015 at 10:31:04AM +0800, Wu, Songjun wrote: > On 9/9/2015 17:52, Mark Brown wrote: > >Yes, that's what's going to end up happening but it's not how controls > >are expected to behave - applications will expect changing one control > >to leave others unaffected so it's better to return an error rather than > >change the other control. > If application change non EQ controls, the others will be unaffected. But > the classD IP can only supports one EQ control at once, these three EQ > controls point to the same register field, if application set a different EQ > control, the error occurs, there will be many errors, it's not very > reasonable to application. The best way I think is if application set one EQ > control, the other EQ controls will change to 0dB, it's also consistent with > fact. There's no really good solutions here - this is why my initial suggestion was to have a single enumerated control.
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