table of contents
| I2C_ACPI_FIND_BUS_SP(9) | I2C and SMBus Subsystem | I2C_ACPI_FIND_BUS_SP(9) |
NAME¶
i2c_acpi_find_bus_speed - find I2C bus speed from ACPI
SYNOPSIS¶
u32 i2c_acpi_find_bus_speed(struct device * dev);
ARGUMENTS¶
dev
The device owning the bus
DESCRIPTION¶
Find the I2C bus speed by walking the ACPI namespace for all I2C slaves devices connected to this bus and use the speed of slowest device.
Returns the speed in Hz or zero
COPYRIGHT¶
| June 2023 | Kernel Hackers Manual 3.10 |