v4l2_subdev_to_v4l2_flash(9)

✨ v4l2_subdev_to_v4l2_flash 💅

okay so bestie, welcome to the Kernel API Manual 🎀 — yes we're in the kernel docs now, and yes this one is a tiny lil one-liner of a function but she's iconic in her own right ✨

💖 NAME 💖

v4l2_subdev_to_v4l2_flash — she takes a &struct v4l2_subdev (the one embedded on the flash thing, iykyk) and returns the &struct v4l2_flash for you 🫶

like... it's giving "you had the subdev, now have the flash". iconic container_of energy, no cap 💅

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🌸 SYNOPSIS 🌸

struct v4l2_flash * v4l2_subdev_to_v4l2_flash (struct v4l2_subdev *sd );

fr fr copy that exactly, spaces and all — she's precise like that 😭

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🦋 ARGUMENTS 🦋

• sd — pointer to struct v4l2_subdev 👑 that's it. that's the whole vibe check. one (1) pointer, and she's the subdev you want the flash from 🌈

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🌟 SEE ALSO 🌟

like, go look at the friends of this function, they're all in their group chat:

• Kernel file ./include/media/v4l2-flash-led-class.h 📁 — literally the home base, the main character file
• struct v4l2_flash_ctrl_data(9)
• struct v4l2_flash_ops(9)
• struct v4l2_flash_config(9)
• struct v4l2_flash(9)
• v4l2_ctrl_to_v4l2_flash(9) 🧚
• v4l2_flash_init(9) ⭐
• v4l2_flash_indicator_init(9) 💡
• v4l2_flash_release(9) 🍓

lowkey just read all of them, that's the assignment bestie 💜

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💀 reminder: everything above is from the manual, I'm not out here inventing behaviour — stay safe, read your headers, and slay 🎀

so yeah, that's the whole page!! 🌸 she lives in ./include/media and this lil edition is dated October 2026 📅 — signed, sealed, and documented with love, mwah 💖✨🫶