gpiochip_fwd...set_multiple(9)

👑 gpiochip_fwd_gpio_set_multiple — assign values to multiple GPIO forwarder lines 💅

okay bestie so this one straight out of the Kernel API Manual literally lets you set a whole bunch of forwarder lines at once instead of doing them one by one like some kind of peasant. we love efficiency in this house 🫶

---

✨ SYNOPSIS ✨

int gpiochip_fwd_gpio_set_multiple (struct gpiochip_fwd *fwd , unsigned long *mask , unsigned long *bits );

---

🎀 ARGUMENTS 🎀

• fwd — the GPIO forwarder itself, the main character in this whole situation 🔥
• mask — a bit mask array, one bit per output, and BITS_PER_LONG bits per word is what defines which outputs are actually getting changed. like a little guest list for who's allowed in 💌
• bits — a bit value array, one bit per output, again BITS_PER_LONG bits per word, and this one defines the values that the outputs picked by mask are gonna be set to. so mask says who and bits says what 🌈

---

💖 RETURN 💖

0 on success, or a negative errno on failure. that's it, that's the vibe check 😭

---

🦋 SEE ALSO 🦋

the kernel file, don't lose it:

• ./drivers/gpio/gpio-aggregator.c

and the whole friend group:

• gpiochip_fwd_get_gpiochip(9)
• gpiochip_fwd_get_data(9)
• gpiochip_fwd_gpio_request(9)
• gpiochip_fwd_gpio_get_direction(9)
• gpiochip_fwd_gpio_direction_output(9)
• gpiochip_fwd_gpio_direction_input(9)
• gpiochip_fwd_gpio_get(9)
• gpiochip_fwd_gpio_get_multiple(9)
• gpiochip_fwd_gpio_set(9)
• gpiochip_fwd_gpio_set_config(9)
• gpiochip_fwd_gpio_to_irq(9)
• devm_gpiochip_fwd_alloc(9)
• gpiochip_fwd_desc_add(9)
• gpiochip_fwd_desc_free(9)
• gpiochip_fwd_register(9)
• gpiochip_fwd_create(9)

---

okay that's the whole page, you ate that ngl 💅✨ this came from ./drivers/gpio, dated October 2026 — go forth and set those multiple lines, bestie, i'm obsessed 🎀🦋💜