aio_init(9)

💫 aio_init(9) — Kernel API Manual, but make it a vibe 💫

okay so bestie, welcome to the Kernel API Manual entry for aio_init — yes that's the manual name, we're folding it in right at the top because we're polite like that 🎀

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✨ NAME ✨

aio_init — initialize AIO substream

like, it literally initializes the AIO substream. that's the whole gig. iconic 💅

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🌸 SYNOPSIS 🌸

int aio_init (struct uniphier_aio_sub *sub );

so it hands you back an int, and you give it one thing: sub. that's it. that's the whole signature. ate. ✨

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🦋 ARGUMENTS 🦋

• sub — the AIO substream pointer 💖 which is exactly what you'd expect from the name, ngl, it's giving "self-explanatory, as it should be"

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🌈 DESCRIPTION 🌈

okay so listen — aio_init sets the fixed settings of each AIO substream. like, the settings that are just fixed, they don't move, they're not negotiable, they are who they are 🫶

and here's the important part, bestie: this function needs to be called once at substream startup. once. at startup. not twice, not whenever you feel like it. periodt. ⭐

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👑 RETURN 👑

• Zero (0) if it went well — slay 💚
• otherwise a negative value on error 😭 not slay, but at least it tells you

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🧚 SEE ALSO 🧚

the kernel file is ./sound/soc/uniphier/aio-core.c — go read it, iykyk 💜

and here's the whole friend group, all the siblings in the AIO cinematic universe:

• aio_iecout_set_enable(9)
• aio_chip_set_pll(9)
• aio_chip_init(9)
• aio_port_reset(9)
• aio_port_set_ch(9)
• aio_port_set_rate(9)
• aio_port_set_fmt(9)
• aio_port_set_clk(9)
• aio_port_set_param(9)
• aio_port_set_enable(9)
• aio_port_get_volume(9)
• aio_port_set_volume(9)
• aio_if_set_param(9)
• aio_oport_set_stream_type(9)
• aio_src_reset(9)
• aio_src_set_param(9)

main character energy from the whole aio_port_* lineup honestly 🎀

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fr fr bestie: call it once at substream startup, check the return value, and you're golden. no cap. 🍓

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and that's a wrap!! 🦋 this page comes to you from the source path ./sound/soc/uniphier and is dated October 2026 — 💖 mwah, tysm for reading, go initialize something beautiful ✨🌷