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

[Mark Brown]

On Thu, Aug 13, 2026 at 10:14:50AM +0800, Baojun Xu wrote:
> Currently, the firmware download is unnecessarily triggered on every
> system resume from suspend, causing significant wake-up latency. However,
> this step is redundant if the AMP remains powered on. Furthermore, certain
> memory pages (addresses > 0xc60000) are skipped even after an AMP reset.

> +		if (!tas_dev->first_hw_init || file->dest_addr < 0xc60000) {
> +			ret = sdw_nwrite_no_pm(tas_dev->sdw_peripheral,
> +					       file->dest_addr,
> +					       file->length,
> +					       file->fw_data);

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...

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