msm: isp: Fix bus halt acknowledgement.

In dual ISP case, we are not receiving the halt
ack for VFE1. So, instead of depending on irq
we need to poll the bus status to find out bus is
halted or not.

Change-Id: I380dded0dcf6f7f35894b31272792cb44b5de486
Signed-off-by: Abhishek Kondaveeti <akondave@codeaurora.org>
Signed-off-by: Vijaya Kumar T M <vtmuni@codeaurora.org>
2 files changed