usb_endpoint_is_isoc_in(9)

✨ usb_endpoint_is_isoc_in(9) ✨

okay so bestie, welcome to the Kernel API Manual — this is a tiny little function but she's got main character energy for real. Let's get into it 💅

💖 NAME 💖

usb_endpoint_is_isoc_in — check if the endpoint is isochronous IN

🌸 SYNOPSIS 🌸

int usb_endpoint_is_isoc_in (const struct usb_endpoint_descriptor *epd
);

🎀 ARGUMENTS 🎀

• epd — endpoint to be checked. like, the endpoint you're putting under the microscope, bestie 🔍

🦋 DESCRIPTION 🦋

Returns true if the endpoint has isochronous transfer type and IN direction, otherwise it returns false. that's it, that's the whole vibe check. isoc + IN = slay, literally anything else = not it 🙈

⭐ SEE ALSO ⭐

• Kernel file ./include/uapi/linux/usb/ch9.h struct usb_ctrlrequest(9)
• usb_endpoint_num(9)
• usb_endpoint_type(9)
• usb_endpoint_dir_in(9)
• usb_endpoint_dir_out(9)
• usb_endpoint_xfer_bulk(9)
• usb_endpoint_xfer_control(9)
• usb_endpoint_xfer_int(9)
• usb_endpoint_xfer_isoc(9)
• usb_endpoint_is_bulk_in(9)
• usb_endpoint_is_bulk_out(9)
• usb_endpoint_is_int_in(9)
• usb_endpoint_is_int_out(9)
• usb_endpoint_is_isoc_out(9)
• usb_endpoint_maxp(9)
• usb_endpoint_maxp_mult(9)

no cap, go read the whole squad if you wanna actually understand endpoints — this one's just one member of the friend group 🫶

💜 and that's the whole page, bestie 💜 brought to you by ./include/uapi/linux/usb, dated October 2026 — periodt, go check your endpoints 🎀✨