sdw_cdns_probe(9)

🌸 sdw_cdns_probe(9) — like, the Cadence probe routine, bestie 🌸

okay so real talk, we're in the Kernel API Manual section 9 today, and this page is short but it matters. It's the entry point that gets a Cadence SoundWire instance up and running, and honestly? She's the main character of the bring-up arc. 🔥

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✨ NAME ✨

sdw_cdns_probe — the Cadence probe routine. That's it, that's the whole vibe. 🎀

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🦋 SYNOPSIS 🦋

int sdw_cdns_probe (struct sdw_cdns *cdns );

ngl the signature is giving "small but mighty" 💅 — one argument, one int back.

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💖 ARGUMENTS 💖

• cdns — the Cadence instance. like, the actual struct sdw_cdns you're probing. that's her, that's the girl. 🫶

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👑 SEE ALSO 👑

bestie, there is a whole friend group here, and you should fr fr meet all of them:

• Kernel file ./drivers/soundwire/cadence_master.c — the source, go read it, it's iconic 💜
• sdw_cdns_config_update(9)
• sdw_cdns_config_update_set_wait(9)
• sdw_cdns_debugfs_init(9)
• sdw_cdns_irq(9)
• cdns_update_slave_status_work(9)
• sdw_cdns_exit_reset(9)
• cdns_enable_slave_interrupts(9)
• sdw_cdns_enable_interrupt(9)
• sdw_cdns_pdi_init(9)
• sdw_cdns_soft_reset(9)
• sdw_cdns_init(9)
• sdw_cdns_is_clock_stop(9)
• sdw_cdns_clock_stop(9)
• sdw_cdns_clock_restart(9)
• cdns_find_pdi(9)
• sdw_cdns_config_stream(9)
• sdw_cdns_alloc_pdi(9)

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lowkey a whole ecosystem in here — probe is just the door, the rest is the party 🎉

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🌈 that's the page! mwah 💋 — sourced from ./drivers/soundwire, dated October 2026, and yeah she lives in section 9 of the Kernel API Manual. slay, go probe something. ⭐🍓