On Thu, Jul 20, 2023 at 02:31:37PM +0100, Stefan Binding wrote: > To enable the speaker output in external boost mode, 2 registers must > be set, one after another. The longer the time between the writes of > the two registers, the more likely, and more loudly a pop may occur. > To minimize this, an mbox command can be used to allow the firmware > to perform this action, minimizing any delay between write, thus > minimizing any pop or click as a result. The old method will remain > when running without firmware. > In addition, to ensure the chip has correctly powered up or down, > the driver will now poll a register, rather than wait a fixed delay. That should probably be a separate patch. Acked-by: Mark Brown <broonie@xxxxxxxxxx>
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