mipi_dsi_dcs_write(9)

📦 version 7.3.1, in nixpkgs unstable

💅 mipi_dsi_dcs_write: the manual page bestie ✨

okay so picture this: you're deep in the Linux kernel, mipi_dsi_dcs_write(9) is literally the function that sends a DCS write command, and it's about to eat. no cap. let's get into it 🫶

✨ NAME ✨

mipi_dsi_dcs_write — send DCS write command 💌

🌸 SYNOPSIS 🌸

ssize_t mipi_dsi_dcs_write (struct mipi_dsi_device *dsi , u8 cmd , const
       void *data , size_t len );

🎀 ARGUMENTS 🎀

  • dsi — the DSI peripheral device, aka your main character display bestie ✨
  • cmd — the DCS command, like the text message you're sending 📲
  • data — buffer containing the command payload, i.e. the actual tea being spilled 💬
  • len — command payload length, because size matters and we respect it 💅

🦋 DESCRIPTION 🦋

So here's the iconic part: this function will automatically choose the right data type depending on the command payload length. it's giving smart, it's giving effortless, it's giving "I checked the vibe and picked the correct format for you" 😌✨ no manual switching required, periodt.

🔥 RETURN 🔥

It returns the number of bytes successfully transmitted 🎉 — or a negative error code on failure 😭 (rude, but okay, we respect the honesty).

👑 SEE ALSO 👑

lowkey a whole friend group of related functions, and we're listing every single one because everyone deserves their moment:

and that's the whole page, bestie! 💖 this was the mipi_dsi_dcs_write(9) manual, straight from the Linux kernel API manual, found at source path ./drivers/gpu/drm, dated October 2026. slay, go write some DCS commands responsibly 🎀✨💅

📦 where this page comes from