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Diffstat (limited to 'drivers/acpi/internal.h')
-rw-r--r--drivers/acpi/internal.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index a29739c0ba79..8ef9787dead4 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -127,12 +127,21 @@ struct acpi_ec {
extern struct acpi_ec *first_ec;
+/* If we find an EC via the ECDT, we need to keep a ptr to its context */
+/* External interfaces use first EC only, so remember */
+typedef int (*acpi_ec_query_func) (void *data);
+
int acpi_ec_init(void);
int acpi_ec_ecdt_probe(void);
int acpi_boot_ec_enable(void);
void acpi_ec_block_transactions(void);
void acpi_ec_unblock_transactions(void);
void acpi_ec_unblock_transactions_early(void);
+int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
+ acpi_handle handle, acpi_ec_query_func func,
+ void *data);
+void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
+
/*--------------------------------------------------------------------------
Suspend/Resume