v4l2_event_..._unsubscribe(9)

💅 v4l2_event_subdev_unsubscribe — the subdev glow-up of unsubscribe ✨

okay bestie, so this one's a kernel API manual page, and the function we're stanning is v4l2_event_subdev_unsubscribe 🎀 — it's literally the subdev variant of v4l2_event_unsubscribe(), and yes, that's a whole vibe. iykyk 💖

---

✨ NAME ✨

v4l2_event_subdev_unsubscribe — bestie, it's the subdev variant of v4l2_event_unsubscribe() 🦋 like, same energy, subdev flavor.

---

🌸 SYNOPSIS 🌸

int v4l2_event_subdev_unsubscribe (struct v4l2_subdev *sd , struct
v4l2_fh *fh , struct v4l2_event_subscription *sub );

that's the whole signature, character for character, no cap 👑

---

💜 ARGUMENTS 💜

• sd — pointer to struct v4l2_subdev 🫶 your subdev bestie.
• fh — pointer to struct v4l2_fh 🎀 the file handle in question.
• sub — pointer to struct v4l2_event_subscription 🦋 the subscription getting the goodbye.

like, three pointers, three little stars, we love to see it ⭐

---

🔥 DESCRIPTION 🔥

NOTE: 💀

so the actual note is this, and it's giving important so pay attention bestie:

this function should be used for the struct v4l2_subdev_core_ops unsubscribe_event field. that's the whole assignment, periodt. don't overthink it, just put it there 💅

---

👑 SEE ALSO 👑

kernel file ./include/media/v4l2-event.h ✨ and the whole friend group:

• struct v4l2_kevent(9)
• struct v4l2_subscribed_event_ops(9)
• struct v4l2_subscribed_event(9)
• v4l2_event_dequeue(9)
• v4l2_event_queue(9)
• v4l2_event_queue_fh(9)
• v4l2_event_wake_all(9)
• v4l2_event_pending(9)
• v4l2_event_subscribe(9)
• v4l2_event_unsubscribe(9)
• v4l2_event_unsubscribe_all(9)
• v4l2_src_change_event_subscribe(9)
• v4l2_src_change_event_subdev_subscribe(9)

every single one of em, no skips 🔥

---

🧚 sign-off 🧚

this page lives in ./include/media 🍓, the date on it is October 2026 🌈, and the version tag is v4l2_event_..._unsubscribe(9) ⭐ — from the Kernel API Manual 💖. that's the tea, bestie, go forth and unsubscribe slay 💅✨