ASoC: msm: Change ACDB driver to use mutex
Remove all atomic variables and provide greater
safety with mutex. Lock mutex for every access
from userspace to ensure that multiple threads
do not concurrently alter data in shared memory
which is used for Audio & Voice calibration. Also
use mutex to protect from concurrent read and write
for calibration that does not used shared memory.
Change-Id: Iabd1c251d9dea6ad4a1d2dfa8129ae31803987d4
CRs-Fixed: 555762
Signed-off-by: Ben Romberger <bromberg@codeaurora.org>
2 files changed