linedisp_register(9)

🎀 linedisp_register(9) 🎀

okay bestie, welcome to the Kernel API Manual page for linedisp_register(9) — pull up a chair, hydrate, and let's get into it. 💖

🌸 NAME 🌸

linedisp_register — register a character line display. 💅

✨ SYNOPSIS ✨

       int linedisp_register (struct linedisp *linedisp , struct device *parent
       , unsigned int num_chars , const struct linedisp_ops *ops );

🫶 ARGUMENTS 🫶

• linedisp — pointer to character line display structure. yes, the whole structure. 👑
• parent — parent device.
• num_chars — the number of characters that can be displayed. like, the actual capacity, bestie. 🔢
• ops — character line display operations.

💫 DESCRIPTION 💫

okay so here's the tea: linedisp_register() registers the line-display sysfs attributes to a new device named "linedisp.N" added to the passed parent device. ✨

and the caller is responsible for calling linedisp_unregister() to release resources after use. no cap, don't ghost your cleanup. 🫶

🧚 RETURN 🧚

zero on success, else a negative error code. 😭 that's the whole mood.

🌈 SEE ALSO 🌈

• Kernel file ./drivers/auxdisplay/line-display.c
• struct linedisp_attachment(9)
• linedisp_scroll(9)
• linedisp_display(9)
• message_show(9)
• message_store(9)
• linedisp_attach(9)
• linedisp_detach(9)
• linedisp_unregister(9)

source/version: ./drivers/auxdisplay · date: October 2026 — mwah, that's the page, ily, bye bestie 💋👑✨