---
name: "struct_ff_constant_effect"
section: "9"
platform: "linux"
package: "linux-manual-3.2"
version: "3.2.78-1"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/struct_ff_constant_effect"
---

# struct\_ff\_constant\_effect(9)

defines parameters of a constant force-feedback effect

## 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