Since we now allow some parameter checking inside the driver info_get()
functions, it makes sense to allow error return from those functions to the
caller. Therefore we change the driver callback return type from void to
int.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Rosen Xu <rosen.xu@intel.com>
Acked-by: Nipun Gupta <nipun.gupta@nxp.com>
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