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The control pointer is not used in the tinymix_set_byte_ctl(),
hence removing it.
Signed-off-by: Samreen Nilofer <samreen.nilofer@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
(cherry picked from commit acc12b45388d204ab5be060f9393b32af2c341bc)