sdw_read(9)

okay so bestie, welcome to sdw_read — yes, from the Kernel API Manual, section 9 — and she is literally here to read a SDW Slave register. no cap, that’s the assignment 💅✨

🌸 NAME 🌸

sdw_read — Read a SDW Slave register 💖

🦋 SYNOPSIS 🦋

int sdw_read (struct sdw_slave *slave , u32 addr );

🎀 ARGUMENTS 🎀

• slave — SDW Slave 🫶
• addr — Register address 📍

💅 DESCRIPTION 💅

okay so here’s the tea: this version of the function will take a PM reference to the slave device. that’s it, that’s the note — short, sweet, and lowkey iconic 🧚‍♀️💜

🔥 SEE ALSO 🔥

Kernel file ./drivers/soundwire/bus.c — and the whole linked squad is right here, bestie:

• sdw_bus_master_add(9)
• sdw_bus_master_delete(9)
• sdw_transfer(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_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 bye bestie 🫶 — this page’s source/version is ./drivers/soundwire, dated October 2026, and that’s the footer sign-off, periodt 💋🎀