audio: roku ac4 open ad no sound [1/1]

PD#SWPL-189359

Problem:
roku set wrong ad pid

Solution:
The ad thread process is not run if the format is ac4.

Verify:
t5w

Change-Id: Ie6a8bee993e99980eff050ad443c2628db6d93da
Signed-off-by: jing.zhang <jing.zhang@amlogic.com>
1 file changed