CHROMIUM: ipu3-cio2: make vb and SOF event use synced seq-id from same src

Currently, sequence from the v4l2 buffer and SOF event were not from same
source, this mismatch may break userspace frame sync logic.

Make v4l2 buffer and sof event use sequence from same source and
sync with each other.

BUG=b:63984332
TEST=Test WF & UF camera functionality on Soraka

Change-Id: I66167372802c9a304400d40f2030680defe32461
Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/646868
Commit-Ready: Ricky Liang <jcliang@chromium.org>
Tested-by: Ricky Liang <jcliang@chromium.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
1 file changed