gpiotools_get_values(9)

💅 gpiotools_get_values 💅

okay so bestie, welcome to the gpiotools_get_values(9) page — that's section 9 of the Kernel API Manual, iykyk 🎀. this is the little function that goes and gets the value of your gpio(s), and honestly? she's giving main character energy in the gpio utils lineup 👑

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✨ NAME ✨

gpiotools_get_values — literally just: Get the value of gpio(s). that's the whole vibe. no cap 🫶

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🌸 SYNOPSIS 🌸

int gpiotools_get_values (const int fd , struct gpio_v2_line_values *values );

look at her. two args. clean. iconic. ✨

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🦋 ARGUMENTS 🦋

• fd — the fd that got handed back to you by gpiotools_request_line. like, you literally can't do this without her first, she's the whole entry point, no cap 💅
• values — the array of values that gets got from the hardware. that's where your readings land, bestie 🍓

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💀 RETURN 💀

• On success → returns 0 ✨ (slay)
• On failure → returns the errno 😭 (so like… check her, fr fr)

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🌈 SEE ALSO 🌈

• Kernel file ./tools/gpio/gpio-utils.c — the source, go read it if you're nosy (respectfully) 🙈
• Operation of gpio(9)
• gpiotools_request_line(9)
• gpiotools_set_values(9)
• gpiotools_release_line(9)
• gpiotools_get(9)
• gpiotools_gets(9)
• gpiotools_set(9)
• gpiotools_sets(9)

the whole friend group, honestly 🫶💖

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anyway that's the page!! this one lives under ./tools/gpio and the version is October 2026 — periodt, that's the whole sign-off, mwah 💋✨🎀