Erase a force-feedback effect from device
int input_ff_erase(struct input_dev * dev, int effect_id, struct file * file);
dev
input device to erase effect from
effect_id
id of the ffect to be erased
file
purported owner of the request
This function erases a force-feedback effect from specified device. The effect will only be erased if it was uploaded through the same file handle that is requesting erase.