radio: iris: Prevent loss of data

Down casting a variable may lead to loss
of data, other various kind of subtle errors.

Change-Id: I4c9ce24393a0b6cb1b006cbb3801d6c9e360f70f
CRs-Fixed: 569313
Signed-off-by: Ayaz Ahmad <aahmad@codeaurora.org>
1 file changed