Re: Re: [PATCH v2] ASoC: tas2783-sdw: add firmware download status check

[Mark Brown]

On Fri, Aug 14, 2026 at 03:45:20AM +0000, Xu, Baojun wrote:

> > What happens if the amplifier uses power (eg, over a system suspend)?
> > Though since nothing clears first_hw_init I guess there might be issues
> > there anyway...

> Yes, that is the purpose of this patch. It prevents the re-downloading of
> pages above 0xC60000 after resuming from suspend, as the data in this region
> persists across an AMP reset. Therefore, these pages should only be downloaded
> during the initial power-up (when first_hw_init is false).

That's only going to be the case if the suspend is a retention one that
maintains power to the device.  If the suspend is a deep one that cuts
power to the device then I can't see how it'll keep memory contents.

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