msm: bam_dmux: add wakelock

Lock a wakelock when we are expecting to be processing packets so that
suspend does not cause data stalls.

Change-Id: Id8ce2c5d12c976b0ebc4e2f54339229764d87c88
CRs-Fixed: 318974
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
1 file changed