int acpi_ec_init(void);
int acpi_ec_ecdt_probe(void);
int acpi_ec_dsdt_probe(void);
-int acpi_ec_ecdt_start(void);
void acpi_ec_block_transactions(void);
void acpi_ec_unblock_transactions(void);
int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,