1STRUCT FF_RUMBLE_EFF(9)         Input Subsystem        STRUCT FF_RUMBLE_EFF(9)
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NAME

6       struct_ff_rumble_effect - defines parameters of a periodic
7       force-feedback effect
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SYNOPSIS

10       struct ff_rumble_effect {
11         __u16 strong_magnitude;
12         __u16 weak_magnitude;
13       };
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MEMBERS

16       strong_magnitude
17           magnitude of the heavy motor
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19       weak_magnitude
20           magnitude of the light one
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DESCRIPTION

23       Some rumble pads have two motors of different weight. Strong_magnitude
24       represents the magnitude of the vibration generated by the heavy one.
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27Kernel Hackers Manual 2.6.         June 2019           STRUCT FF_RUMBLE_EFF(9)
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