v4l2_async_u...ister_subdev(9)

💅 v4l2_async_unregister_subdev(9) — a Kernel API Manual moment ✨

okay bestie, welcome to the kernel API manual corner of the group chat 🫶 this one's from the Kernel API Manual era, and it's short but iconic.

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🌸 NAME 🌸

v4l2_async_unregister_subdev — literally unregisters a sub-device from the asynchronous subdevice framework. that's it. that's the whole vibe check. no cap 💅

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✨ SYNOPSIS ✨

void v4l2_async_unregister_subdev (struct v4l2_subdev *sd );

notice the void? she returns nothing. she simply does the thing and leaves. main character energy fr fr 👑

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🎀 ARGUMENTS 🎀

• sd — pointer to struct v4l2_subdev. yes queen, hand her the sub-device and she'll take it from there 🦋

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👑 SEE ALSO 👑

the whole extended friend group, no one gets left out 💖 the kernel file ./include/media/v4l2-async.h plus:

• enum v4l2_async_match_type(9)
• struct v4l2_async_match_desc(9)
• struct v4l2_async_connection(9)
• struct v4l2_async_notifier_operations(9)
• struct v4l2_async_notifier(9)
• struct v4l2_async_subdev_endpoint(9)
• v4l2_async_debug_init(9)
• v4l2_async_nf_init(9)
• v4l2_async_subdev_nf_init(9)
• v4l2_async_nf_add_fwnode(9)
• v4l2_async_nf_add_fwnode_remote(9)
• v4l2_async_nf_add_i2c(9)
• v4l2_async_subdev_endpoint_add(9)
• v4l2_async_connection_unique(9)
• v4l2_async_nf_register(9)
• v4l2_async_nf_unregister(9)
• v4l2_async_nf_cleanup(9)
• v4l2_async_register_subdev(9)
• v4l2_async_register_subdev_sensor(9)

go read them. iykyk 📚✨

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and that's the page, bestie 🎀 sourced straight from ./include/media, dated October 2026, living in the Kernel API Manual — mwah, slay, periodt 💋🌈