usb_serial_h...e_dcd_change(9)

💅 usb_serial_h...e_dcd_change(9) 💅

okay so this one is straight out of the Kernel API Manual, and we're talking about the usb-serial carrier-detect vibe check 💖

✨ NAME ✨

usb_serial_handle_dcd_change — handles a change of carrier detect state 🎀

🌸 SYNOPSIS 🌸

void usb_serial_handle_dcd_change (struct usb_serial_port *port , struct
tty_struct *tty , unsigned int status );

🎀 ARGUMENTS 🎀

• port — the usb-serial port 🫶
• tty — the tty for the port ✨
• status — the new carrier detect status; nonzero if active 💅

🦋 SEE ALSO 🦋

• Kernel file ./drivers/usb/serial/generic.c
• usb_serial_generic_write_start(9)
• usb_serial_generic_write(9)

okay that's the whole page, bestie 🎀 the source/version is ./drivers/usb/serial, dated October 2026, and the page is usb_serial_h...e_dcd_change(9) — bye, drink some water 💜