video_ioctl2(9)

💖 NAME 💖

video_ioctl2 — handles a V4L2 ioctl. also hii bestie, this is the video_ioctl2(9) page from the Kernel API Manual, and it's giving “small function, big main character energy” ✨

🌸 SYNOPSIS 🌸

long int video_ioctl2 (struct file *file , unsigned int cmd , unsigned long int arg );

🎀 ARGUMENTS 🎀

• file — pointer to struct file.
• cmd — ioctl name.
• arg — ioctl argument.

🦋 DESCRIPTION 🦋

okay so this is the method used to handle an ioctl. and bestie, you should use it to fill v4l2_file_operations.unlocked_ioctl on all V4L2 drivers — that's the assignment, fr fr. periodt. 💅

💜 SEE ALSO 💜

• Kernel file: ./include/media/v4l2-ioctl.h
• struct v4l2_ioctl_ops(9)
• v4l2_norm_to_name(9)
• v4l2_video_std_frame_period(9)
• v4l2_video_std_construct(9)
• v4l_video_std_enumstd(9)
• v4l_printk_ioctl(9)
• var v4l2_field_names(9)
• var v4l2_type_names(9)
• v4l2_compat_ioctl32(9)
• v4l2_kioctl(9)
• video_usercopy(9)

🎀 sign-off: this page lives under ./include/media, it's dated October 2026, and it's video_ioctl2(9) through and through. mwah 💋