v4l2_event_unsubscribe_all(9)

💅 v4l2_event_unsubscribe_all — Kernel API Manual ✨

okay so bestie, welcome to the Kernel API Manual page for v4l2_event_unsubscribe_all(9) — yes the whole entire function name is the vibe, no notes 🫶

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🌸 NAME 🌸

v4l2_event_unsubscribe_all — unsubscribes to all events. literally all of them. the whole subscription list. clean slate energy 💅

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✨ SYNOPSIS ✨

void v4l2_event_unsubscribe_all (struct v4l2_fh *fh );

that's it. that's the whole signature. short, sweet, and lowkey iconic 😌 no cap.

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🎀 ARGUMENTS 🎀

• fh — pointer to struct v4l2_fh. that's your handle bestie, the one you're handing over so everything can get unsubscribed. just a pointer. nothing scary. fr fr 🦋

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🔥 SEE ALSO 🔥

the kernel file is at ./include/media/v4l2-event.h — go read it, it's giving main character documentation 📖✨ and while you're in there, these are the besties in the same 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_subdev_unsubscribe(9)
• v4l2_src_change_event_subscribe(9)
• v4l2_src_change_event_subdev_subscribe(9)

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💀 reminder: this is a void function — it gives you nothing back except peace of mind. and the fh argument is a pointer to struct v4l2_fh, so don't be out here passing random stuff. 🙈

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okay that's the page!! sourced straight from ./include/media, dated October 2026, and stamped with the name v4l2_event_unsubscribe_all(9) — mwah, slay, periodt 🧚💖🌈