sdw_master_rt_alloc(9)

💖 sdw_master_rt_alloc(9) — Kernel API Manual 💖

okay so bestie, this is the sdw_master_rt_alloc(9) page. No cap, it's a tiny one, but it's important. 💅

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✨ NAME ✨

sdw_master_rt_alloc — Allocates a Master runtime handle. 🎀

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🦋 SYNOPSIS 🦋

struct sdw_master_runtime * sdw_master_rt_alloc (struct sdw_bus *bus ,
       struct sdw_stream_runtime *stream );

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🌸 ARGUMENTS 🌸

• bus — SDW bus instance. Like, the bus we're doing this on, bestie.
• stream — Stream runtime handle. The stream runtime bestie in question.

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🫶 DESCRIPTION 🫶

This function is to be called with bus_lock held.

no cap, that's the whole description: hold bus_lock when you call it. periodt. 🔒

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👑 SEE ALSO 👑

Kernel file: ./drivers/soundwire/stream.c

• sdw_program_port_params(9)
• sdw_enable_disable_slave_ports(9)
• sdw_enable_disable_ports(9)
• sdw_prep_deprep_ports(9)
• sdw_notify_config(9)
• sdw_program_params(9)
• sdw_ml_sync_bank_switch(9)
• sdw_slave_rt_alloc(9)
• sdw_slave_rt_config(9)
• sdw_slave_rt_free(9)
• sdw_master_rt_config(9)
• sdw_master_rt_free(9)
• sdw_config_stream(9)
• sdw_get_slave_dpn_prop(9)
• sdw_acquire_bus_lock(9)
• sdw_release_bus_lock(9)
• sdw_prepare_stream(9)
• sdw_enable_stream(9)
• sdw_disable_stream(9)
• sdw_deprepare_stream(9)
• sdw_alloc_stream(9)
• sdw_startup_stream(9)
• sdw_shutdown_stream(9)
• sdw_release_stream(9)
• sdw_stream_add_master(9)
• sdw_stream_remove_master(9)
• sdw_stream_add_slave(9)
• sdw_stream_remove_slave(9)

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xoxo, from the ./drivers/soundwire source/version crew — October 2026 — and yes, this page is literally sdw_master_rt_alloc(9). 💅✨