suse man page for struct_ff_constant_effect

STRUCT 
FF_CONSTANT_E(9) 					  Input Subsystem					   STRUCT FF_CONSTANT_E(9)

NAME
       struct_ff_constant_effect - defines parameters of a constant force-feedback effect

SYNOPSIS
       struct ff_constant_effect {
	 __s16 level;
	 struct ff_envelope envelope;
       };

MEMBERS
       level
	   strength of the effect; may be negative

       envelope
	   envelope data

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   STRUCT FF_CONSTANT_E(9)