Re: [PATCH V3 3/8] soundwire: amd: register SoundWire manager dai ops

From: Pierre-Louis Bossart
Date: Tue Feb 21 2023 - 18:53:35 EST

On 2/21/23 16:05, Mukunda,Vijendar wrote:
> On 21/02/23 21:29, Pierre-Louis Bossart wrote:
>>> +static const struct snd_soc_dai_ops amd_sdw_dai_ops = {
>>> + .hw_params = amd_sdw_hw_params,
>> don't you need a .prepare to deal with suspend-resume?
> DSP based solution is not implemented yet.
> As per our understanding In .prepare () callback, there is
> no extra logic needs to be implemented. Because of it,
> we have dropped .prepare() callback.

You don't need any logic IF the IP keeps its context while suspended.
That wasn't the case for us, we had to re-program the registers when