On Thu, Feb 06, 2020 at 01:07:12AM +0000, Robin Murphy wrote: > The RK3328 reference design uses an external line driver IC as a buffer > on the analog codec output, enabled by the GPIO_MUTE pin, and such a > configuration is currently assumed in the codec driver's direct poking > of GRF_SOC_CON10 to control the GPIO_MUTE output value. However, some This makes sense but it is an ABI break so is going to need quirking for existing boards that unfortunately rely on the existing behaviour.
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