#include #include static void i2cmux2_set_link(struct device *dev, unsigned int link) { if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) { if (ops_smbus_bus(get_pbus_smbus(dev))) { smbus_send_byte(dev, link); // output value } } } static struct device_operations i2cmux2_operations = { .read_resources = DEVICE_NOOP, .set_resources = DEVICE_NOOP, .enable_resources = DEVICE_NOOP, .init = DEVICE_NOOP, .scan_bus = scan_smbus, .set_link = i2cmux2_set_link, }; static void enable_dev(struct device *dev) { if (dev->link_list != NULL) dev->ops = &i2cmux2_operations; } struct chip_operations drivers_i2c_i2cmux2_ops = { CHIP_NAME("i2cmux2") .enable_dev = enable_dev, };