audio: roku ad no sound [1/1]

PD#SWPL-189237

Problem:
advol_level variable is cleared

Solution:
add advol_level in dtv patch

Verify:
t5w

Change-Id: I0cf25597f4ee558fef180279228b385bbb568cc7
Signed-off-by: jing.zhang <jing.zhang@amlogic.com>
4 files changed