gpiod_set_ra...lue_cansleep(9)

✨ gpiod_set_ra...lue_cansleep(9) ✨

okay bestie, so this one lives in the Kernel API Manual and it's honestly such a mood — it's a little function that just... sets a raw value on a gpio. that's it. that's the whole personality. 💅

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🎀 NAME 🎀

gpiod_set_raw_value_cansleep — assign a gpio's raw value 🦋

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🌸 SYNOPSIS 🌸

int gpiod_set_raw_value_cansleep (struct gpio_desc *desc , int value );

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💖 ARGUMENTS 💖

• desc — the gpio whose value is gonna get assigned 👑
• value — the value you're assigning, like, the actual number you want it to be 🍓

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🧚 DESCRIPTION 🧚

so what this does is set the raw value of the GPIO — meaning the value of its physical line, with zero regard for its ACTIVE_LOW status. none. not even a little. it does not care about that at all 🙈

and the important part, the vibe check of this whole function: this one is meant to be called from contexts that can sleep. so like, yes you can block here, it's fine, it's chill, go off 😴✨

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⭐ RETURN ⭐

0 on success, or a negative error number on failure. that's it. that's the whole story fr fr 💀

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🔥 SEE ALSO 🔥

kernel file ./drivers/gpio/gpiolib.c, plus a whole friend group of functions: gpio_to_desc(9), gpio_device_get_desc(9), desc_to_gpio(9), gpiod_hwgpio(9), gpiod_to_chip(9), gpiod_to_gpio_device(9), gpio_device_get_base(9), gpio_device_get_label(9), gpio_device_get_chip(9), gpiochip_find_base_unlocked(9), gpiod_is_equal(9), gpiod_get_direction(9), gpiod_is_single_ended(9), gpiochip_query_valid_mask(9), gpiochip_get_data(9), gpiochip_remove(9), gpio_device_find(9), gpio_device_find_by_label(9), gpio_device_find_by_fwnode(9), gpio_device_get(9), gpio_device_put(9), gpio_device_to_device(9), gpiochip_set_hierarchical_irqchip(9), gpiochip_irq_domain_activate(9), gpiochip_irq_domain_deactivate(9), gpiochip_irq_map(9), gpiochip_add_irqchip(9), gpiochip_irqchip_remove(9), gpiochip_irqchip_add_domain(9), gpiochip_generic_request(9), gpiochip_generic_free(9), gpiochip_generic_config(9), gpiochip_add_pingroup_range(9), gpiochip_add_pin_range_with_pins(9), gpiochip_remove_pin_ranges(9), gpiochip_dup_line_label(9), gpiochip_request_own_desc(9), gpiochip_free_own_desc(9), gpio_set_debounce_timeout(9), gpiod_direction_input(9), gpiod_direction_output_raw(9), gpiod_direction_output(9), gpiod_enable_hw_timestamp_ns(9), gpiod_disable_hw_timestamp_ns(9), gpiod_set_config(9), gpiod_set_debounce(9), gpiod_set_transitory(9), gpiod_is_active_low(9), gpiod_toggle_active_low(9), gpiod_get_raw_value(9), gpiod_get_value(9), gpiod_get_raw_array_value(9), gpiod_get_array_value(9), gpiod_set_raw_value(9), gpiod_set_value_nocheck(9), gpiod_set_value(9), gpiod_set_raw_array_value(9), gpiod_set_array_value(9), gpiod_cansleep(9), gpiod_set_consumer_name(9), gpiod_is_shared(9), gpiod_to_irq(9), gpiochip_lock_as_irq(9), gpiochip_unlock_as_irq(9), gpiod_get_raw_value_cansleep(9), gpiod_get_value_cansleep(9), gpiod_get_raw_array_value_cansleep(9), gpiod_get_array_value_cansleep(9), gpiod_set_value_cansleep(9), gpiod_set_raw_array_value_cansleep(9), gpiod_add_lookup_tables(9), gpiod_set_array_value_cansleep(9), gpiod_add_lookup_table(9), gpiod_remove_lookup_table(9), fwnode_gpiod_get_index(9), gpiod_count(9), gpiod_get(9), gpiod_get_optional(9), gpiod_configure_flags(9), gpiod_get_index(9), gpiod_get_index_optional(9), gpiod_hog(9), gpiochip_free_hogs(9), gpiod_get_array(9), gpiod_get_array_optional(9), gpiod_put(9), gpiod_put_array(9) — like, the entire extended friend group, no cap 🌈

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and that's the whole page, bestie 💜 this lil gem comes from ./drivers/gpio, dated October 2026 — so go forth, call it from a sleepy context, and slay 👑✨🫶