amd_wbrf_retrieve_freq_band(9)

💅 amd_wbrf_retrieve_freq_band 💅

okay so bestie, you found your way into the Kernel API Manual page for amd_wbrf_retrieve_freq_band(9) and honestly? slay. this one's a little kernel function that goes and fetches the current active frequency bands for you. let's get into it 🎀

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✨ NAME ✨

amd_wbrf_retrieve_freq_band — retrieve current active frequency bands. that's it, that's the whole vibe 💖

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🌸 SYNOPSIS 🌸

int amd_wbrf_retrieve_freq_band (struct device *dev , struct
       wbrf_ranges_in_out *out );

literally just hand it a device and somewhere to put the answer, and it does its thing ✨

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🦋 ARGUMENTS 🦋

• dev — device pointer. your classic device pointer, no notes 💅
• out — output structure containing all the active frequency bands. this is the lil container where the bands get dropped off 🎀

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💜 DESCRIPTION 💜

so here's the tea: this API retrieves the current active frequency bands which were broadcasted by other producers. broadcasted by other producers, meaning they came from somewhere else, not from you, and now they're living rent-free in your frequency space 😭

and bestie, listen — the consumer who calls this API should take proper actions if any of the frequency band may cause RFI with its own frequency band used. no cap. like if one of these bands could clash with yours, that's your problem to handle, the function is just the messenger 🫶

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🔥 RETURN 🔥

• 0 — for getting wifi freq band successfully 🎉 iconic, we love a clean zero
• Returns a negative error code for failure 💀 so like, clock the negative and deal with it accordingly

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/platform/x86/amd/wbrf.c — go read the source, iykyk 👑
• acpi_amd_wbrf_add_remove(9)
• acpi_amd_wbrf_supported_producer(9)
• acpi_amd_wbrf_supported_consumer(9)
• amd_wbrf_register_notifier(9)
• amd_wbrf_unregister_notifier(9)

the whole friend group fr fr 💖

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that's the page bestie!! 🌸 this one lives in ./drivers/platform/x86/amd, dated October 2026, and it's part of your Kernel API Manual — go forth and retrieve those frequency bands, periodt 💅✨