[PATCH v3 04/17] ASoC: Intel: avs: Inter process communication

[Cezary Rojewski]

On 2022-03-07 5:15 PM, Ranjani Sridharan wrote:
> On Fri, 2022-03-04 at 18:11 +0100, Cezary Rojewski wrote:
>>>> +     * -EPERM error code is expected and thus it's not an actual
>>>> error.
>>> And what happens in this case? do you retry the IPC after recovery?
>>
>>
>>
>>
>> Not at all. Why would you want retry IPC after recovery in the first
>> place?
> So what happens after FW recovery? Will this lead to an xrun and cause
> usersapce to restart the stream?

If DSP dies so does the stream. Recovery is not guaranteed, it's an 
attempt. What userspace does with that is for userspace to decide.


Regards,
Czarek