i2c_acpi_register_devices(9)

✨ NAME ✨

okay bestie, this page is i2c_acpi_register_devices(9) from the Kernel API Manual, and it’s all about one little function: i2c_acpi_register_devices — enumerate I2C slave devices behind adapter. no cap 💖

🛠️ SYNOPSIS 🛠️

void i2c_acpi_register_devices (struct i2c_adapter *adap );

🎀 ARGUMENTS 🎀

• adap — pointer to adapter 🫶

💅 DESCRIPTION 💅

so the vibe is: this function enumerates all I2C slave devices behind this adapter by walking the ACPI namespace. when a device is found, it will be added to the Linux device model and bound to the corresponding ACPI handle. that’s literally the whole glow-up ✨

🔗 SEE ALSO 🔗

the kernel file is ./drivers/i2c/i2c-core-acpi.c, and these related pages are also in the group chat:

• i2c_acpi_get_i2c_resource(9)
• i2c_acpi_client_count(9)
• i2c_acpi_get_irq(9)
• i2c_acpi_find_bus_speed(9)
• i2c_acpi_new_device_by_fwnode(9)

mwah 💋 — source: ./drivers/i2c, date: October 2026. bye bestie! 🫶