input_ff_upload(9)

💅 input_ff_upload — Kernel API Manual, bestie edition 🎀

okay so basically we're in the Kernel API Manual today and the star of the show is input_ff_upload(9) — she's the one who takes your force-feedback effect and yeets it into the device. rumbles, shakes, that lil controller go brrr energy. periodt. ✨

---

🌸 NAME 🌸

input_ff_upload — upload effect into force-feedback device 💖

like, that's her whole job. she uploads the effect. into the force-feedback device. no cap.

---

🦋 SYNOPSIS 🦋

int input_ff_upload (struct input_dev *dev , struct ff_effect *effect ,
struct file *file );

she returns an int, she takes three args, and yes you gotta pass all of them, don't be that girl 🙈

---

🎀 ARGUMENTS 🎀

• dev — input device. this is the actual device bestie, the thing that's gonna be doing the rumbling. main character energy fr. 👑
• effect — effect to be uploaded. this is the vibe you're sending, the actual effect payload. slay.
• file — owner of the effect. yes somebody has to own it, it's giving accountability. 🫶

---

⭐ SEE ALSO ⭐

Kernel file ./drivers/input/ff-core.c — that's where she lives, go say hi 💜

• input_ff_erase(9)
• input_ff_event(9)
• input_ff_create(9)
• input_ff_destroy(9)

the whole friend group honestly, they ate. go read all of them, iykyk. 🌈

---

ok final lil note: this page came to you from ./drivers/input, dated October 2026, and the page itself is input_ff_upload(9). mwah, love u, bye bestie 💅💖🧚