The assignment ret = ret is redundant and can be removed.
Reviewed-by: NKrzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: NPeter Chen <peter.chen@nxp.com>
Signed-off-by: NStefan Agner <stefan@agner.ch>
Signed-off-by: NFelipe Balbi <felipe.balbi@linux.intel.com>