134     mraa_board_t* board = plat;  in mraa_i2c_init()  local
135     if (board == NULL) {  in mraa_i2c_init()
142         board = board->sub_platform;  in mraa_i2c_init()
143         if (board == NULL) {  in mraa_i2c_init()
151     if (board->i2c_bus_count == 0) {  in mraa_i2c_init()
155     if (bus >= board->i2c_bus_count) {  in mraa_i2c_init()
160     if (board->i2c_bus[bus].bus_id == -1) {  in mraa_i2c_init()
162         bus = board->def_i2c_bus;  in mraa_i2c_init()
164     if (!board->no_bus_mux) {  in mraa_i2c_init()
165         int pos = board->i2c_bus[bus].sda;  in mraa_i2c_init()
166         if (board->pins[pos].i2c.mux_total > 0) {  in mraa_i2c_init()
167             if (mraa_setup_mux_mapped(board->pins[pos].i2c) != MRAA_SUCCESS) {  in mraa_i2c_init()
173         pos = board->i2c_bus[bus].scl;  in mraa_i2c_init()
174         if (board->pins[pos].i2c.mux_total > 0) {  in mraa_i2c_init()
175             if (mraa_setup_mux_mapped(board->pins[pos].i2c) != MRAA_SUCCESS) {  in mraa_i2c_init()
182     return mraa_i2c_init_internal(board->adv_func, (unsigned int) board->i2c_bus[bus].bus_id);  in mraa_i2c_init()