sdw_transfer(9)

🦋 sdw_transfer(9) — Kernel API Manual 🦋

✨ NAME ✨

sdw_transfer — Synchronous transfer message to a SDW Slave device. That's the whole vibe, bestie: synchronous transfer message, SDW Slave device, capital letters and all. Iconic. 💅

🌈 SYNOPSIS 🌈

Okay so the signature is literally this, no cap, no edits, no "let me just clean it up":

int sdw_transfer (struct sdw_bus *bus , struct sdw_msg *msg );

🎀 ARGUMENTS 🎀

Two arguments, both main-character energy, don't skip:

• bus — SDW bus. The bus. The whole bus. Periodt.
• msg — SDW message to be xfered. And yes, it says xfered 😭 not me double-checking, that's the original spelling and we're keeping it fr fr.

💜 SEE ALSO 💜

Kernel file ./drivers/soundwire/bus.c is the linked kernel file, and it's bringing the whole friend group. Say hi to:

• sdw_bus_master_add(9)
• sdw_bus_master_delete(9)
• sdw_show_ping_status(9)
• sdw_transfer_defer(9)
• sdw_nread_no_pm(9)
• sdw_nwrite_no_pm(9)
• sdw_write_no_pm(9)
• sdw_read_no_pm(9)
• sdw_nread(9)
• sdw_nwrite(9)
• sdw_read(9)
• sdw_write(9)
• sdw_bus_prep_clk_stop(9)
• sdw_bus_clk_stop(9)
• sdw_bus_exit_clk_stop(9)
• sdw_handle_slave_status(9)

okay that's the page, bestie! source/version: ./drivers/soundwire; date: October 2026; title: sdw_transfer(9) — bye, love u, drink water 💖🫶✨