gpiotools_get(9)

🌸 NAME — gpiotools_get(9) 🌸

okay so this is the Kernel API Manual page for gpiotools_get — the function whose whole job is to get a value from one specific line. no cap, that's the vibe. 🦋

✨ SYNOPSIS ✨

the signature is literally:

int gpiotools_get (const char *device_name , unsigned int line );

🎀 ARGUMENTS 🎀

• device_name — the name of the gpiochip, and bestie, it goes without the /dev/ prefix. so it looks like "gpiochip0", okay? 💅
• line — the number of the line, such as 2. yep, just the number. 🍓

💖 RETURN 💖

on success? it returns 0. slay. on failure? it returns the errno. periodt. 💀

🌈 SEE ALSO 🌈

• Kernel file ./tools/gpio/gpio-utils.c — the kernel file in question, iykyk.
• Operation of gpio(9) — yep, that whole phrase is on the reference list.
• gpiotools_request_line(9) — requested-line bestie.
• gpiotools_set_values(9) — set-values bestie.
• gpiotools_get_values(9) — get-values bestie.
• gpiotools_release_line(9) — release-line bestie.
• gpiotools_gets(9) — gets bestie.
• gpiotools_set(9) — set bestie.
• gpiotools_sets(9) — sets bestie.

that's it, bestie! this page's source is ./tools/gpio, dated October 2026, and it's the gpiotools_get(9) manual page. go get that value, icon. 💖✨