Chrome Version       : 57.0.2987.52
Platform             : 9202.27.0 - quawks


What steps will reproduce the problem?
(1)  connect a headphone to Quawks device
(2)  open and play youtube video, (ex:  https://www.youtube.com/watch?v=d_n4CVpkTGc )
(3)  try to increase/decrease audio volume by hitting "Speaker" key on keyboard


What is the expected result?  What happens instead?
Sometimes, unable to hear sound when hitting "Speaker" key few times on keyboard.  


Please provide any additional information below. Attach a screenshot if
possible.

Rohit,
Could you check the issue.   I'm not sure whether it is my test device(EVT) issue.

Will check the issue on M56.