v4l2_device_unregister(9)

💜 v4l2_device_unregister — a Kernel API Manual moment

okay bestie, welcome to the Kernel API Manual, page v4l2_device_unregister(9) — the little cleanup queen of the V4L2 device world 🧹✨

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✨ NAME ✨

v4l2_device_unregister — Unregister all sub-devices and any other resources related to @v4l2_dev.

like... she's the one who closes the group chat and removes everyone from it 😭🫶

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🦋 SYNOPSIS 🦋

void v4l2_device_unregister (struct v4l2_device *v4l2_dev );

returns void, i.e. she gives you nothing back, she just does the thing 💅

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🎀 ARGUMENTS 🎀

• v4l2_dev — pointer to struct v4l2_device. that's it. that's the whole argument. she just needs her pointer bestie and she's good to go 🍓

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🌈 SEE ALSO 🌈

the whole extended friend group, no cap 👑

• Kernel file ./include/media/v4l2-device.h struct v4l2_device(9)
• v4l2_device_get(9)
• v4l2_device_put(9)
• v4l2_device_register(9)
• v4l2_device_set_name(9)
• v4l2_device_disconnect(9)
• v4l2_device_register_subdev(9)
• v4l2_device_unregister_subdev(9)
• __v4l2_device_register_subdev_nodes(9)
• v4l2_device_register_subdev_nodes(9)
• v4l2_device_register_ro_subdev_nodes(9)
• v4l2_subdev_notify(9)
• v4l2_device_supports_requests(9)
• v4l2_device_for_each_subdev(9)
• __v4l2_device_call_subdevs_p(9)
• __v4l2_device_call_subdevs(9)
• __v4l2_device_call_subdevs_until_err_p(9)
• __v4l2_device_call_subdevs_until_err(9)
• v4l2_device_call_all(9)
• v4l2_device_call_until_err(9)
• v4l2_device_mask_call_all(9)
• v4l2_device_mask_call_until_err(9)
• v4l2_device_has_op(9)
• v4l2_device_mask_has_op(9)

like literally the entire cinematic universe, iykyk 🌸

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ngl the docs for this one are short and sweet — no hidden flags, no exit statuses, no environment variables, just a void function taking a struct v4l2_device *. iconic minimalism fr fr 💀✨

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mwah, that's the whole page bestie 💖 written in the Kernel API Manual energy, sourced from ./include/media, dated October 2026 — see you in the next unregister, love u 🫶🎀🌟