cbus_host
static int cbus_transfer(struct cbus_host *host, char rw, unsigned dev,
struct cbus_host *chost = i2c_get_adapdata(adapter);
struct cbus_host *chost;
static void cbus_send_bit(struct cbus_host *host, unsigned bit)
static void cbus_send_data(struct cbus_host *host, unsigned data, unsigned len)
static int cbus_receive_bit(struct cbus_host *host)
static int cbus_receive_word(struct cbus_host *host)