regmap_write_async(9)

💅 regmap_write_async(9) 💅

hiii bestie 🫶 welcome to the Kernel API Manual page for regmap_write_async — it's giving "write a value to a single register asynchronously" and honestly? iconic. let's get into it, fr fr ✨

✨ NAME ✨

regmap_write_async — write a value to a single register asynchronously

🌸 SYNOPSIS 🌸

int regmap_write_async (struct regmap *map , unsigned int reg , unsigned int val );

🎀 ARGUMENTS 🎀

• map — register map to write to 💅 the map girlie you're writing into.
• reg — register to write to. this is the register, no cap.
• val — value to be written. the value that's gonna be written, periodt.

🦋 DESCRIPTION 🦋

okay so here's the vibe check: a value of zero will be returned on success — that's the slay case ✨. a negative errno will be returned in error cases 😭. so if you see a negative errno, that's the error-case situation, bestie. no sugarcoating.

ngl this page is short but she still ate. every detail matters, even the tiny ones 💖

💜 SEE ALSO 💜

Kernel file: ./drivers/base/regmap/regmap.c

also bestie, go peek at these:

• devm_regmap_field_alloc(9)
• regmap_field_bulk_alloc(9)
• devm_regmap_field_bulk_alloc(9)
• regmap_field_bulk_free(9)
• devm_regmap_field_bulk_free(9)
• devm_regmap_field_free(9)
• regmap_field_alloc(9)
• regmap_field_free(9)
• regmap_reinit_cache(9)
• regmap_exit(9)
• dev_get_regmap(9)
• regmap_get_device(9)
• regmap_can_raw_write(9)
• regmap_get_raw_read_max(9)
• regmap_get_raw_write_max(9)
• regmap_write(9)
• regmap_raw_write(9)
• regmap_noinc_write(9)
• regmap_field_update_bits_base(9)
• regmap_field_test_bits(9)
• regmap_fields_update_bits_base(9)
• regmap_bulk_write(9)
• regmap_multi_reg_write(9)
• regmap_multi_reg_write_bypassed(9)
• regmap_raw_write_async(9)
• regmap_read(9)
• regmap_read_bypassed(9)
• regmap_raw_read(9)
• regmap_noinc_read(9)
• regmap_field_read(9)
• regmap_fields_read(9)
• regmap_bulk_read(9)
• regmap_multi_reg_read(9)
• regmap_update_bits_base(9)
• regmap_test_bits(9)
• regmap_async_complete(9)
• regmap_register_patch(9)
• regmap_get_val_bytes(9)
• regmap_get_max_register(9)
• regmap_get_reg_stride(9)
• regmap_might_sleep(9)

mwah 💋 — source/version: ./drivers/base/regmap, date: October 2026, page: regmap_write_async(9). go write that register, bestie 🫶✨