[alsa-devel] [RFC 00/15] Add Samus Hotwording for RT5677

[Pierre-Louis Bossart]

On 9/6/19 2:46 PM, Curtis Malainey wrote:
> This patch series adds the hotwording implementation used in the
> Pixelbook on the RT5677 driver.
> 
> Known Issues:
> There is a known issue where the system will fail to detect a hotword if
> suspended while the stream is open. This is due to the fact that the
> haswell-dsp suspends its I2S MCLK before the RT5677 suspends which
> causes the writes and reads to become corrupted as a result. Any
> recommendations to correct this behaviour would be appreciated.

I don't get what 'suspend' and 'stream' refer to. is this pm_runtime, 
s2idle, system capture, SPI capture?

Can you elaborate on the sequence?