STRUCT V4L2_KEVENT(9)

✨ struct v4l2_kevent(9) ✨

okay so bestie, welcome to the Kernel API Manual — this is literally the page for struct v4l2_kevent, which is, and I cannot stress this enough, the internal kernel event struct 🎀 no cap, that's the whole vibe.

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🌸 NAME 🌸

struct v4l2_kevent — the internal kernel event struct 💅 that's it, that's the name, she's internal and she's a struct.

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🦋 SYNOPSIS 🦋

struct v4l2_kevent {
    struct list_head        list;
    struct v4l2_subscribed_event *sev;
    struct v4l2_event       event;
    u64 ts;
 };

like, look at her. four members. absolutely iconic lineup 🫶

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💖 Members 💖

yesss the members section, this is where it gets good — each one of these babies has a job and I'm gonna tell you exactly what it is, fr fr:

• list — the list node 🧚 for the v4l2_fh->available list. she's the linked-list girly holding her place in line, periodt.
• sev — a pointer to the parent v4l2_subscribed_event 👑 like, her mom basically. highkey the main character reference.
• event — the event itself ⭐ literally what it says on the tin, the actual event, no notes.
• ts — the timestamp of the event ⏰ so you know when things went down, iykyk.

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🌈 SEE ALSO 🌈

if you're obsessed (and you should be) here's the whole friend group 💜 — first up, the kernel file:

• Kernel file ./include/media/v4l2-event.h 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_event_subdev_unsubscribe(9)
• v4l2_src_change_event_subscribe(9)
• v4l2_src_change_event_subdev_subscribe(9)

like, go read them all, they're all slay 🔥

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and that's the page bestie!! 🎀✨ this lil masterpiece lives in ./include/media, dated October 2026, and it's filed under struct v4l2_kevent(9) — mwah, go off, kernel docs 💅💖