audio: audio ABUS stuck issue [1/1]

audio: audio ABUS stuck issue [1/1]

PD#SWPL-9142

Problem:
Audio Abus may be stuck if it is stopped
when the burst is not finished.
And the stuck can't be recovered
unless reboot the system.

Solution:
Add check to make sure that the transfer
is over then start to disable the toddr fifo.

Verify:
TL1 stress test.

Change-Id: I28dcf84ddec421bc70370b2544f0bf1f3272e7b4
Signed-off-by: Shuai Li <shuai.li@amlogic.com>