i2c: core: Allow empty id_table in ACPI case as well

[karo-tx-linux.git] / drivers / i2c / i2c-core.h

diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h
index 3b63f5e5b89cbda662a580c387bfa2d23e2ebcef..3d3d9bf02101bddf06fc6597f107cc3ac8e3beb8 100644 (file)
--- a/drivers/i2c/i2c-core.h
+++ b/drivers/i2c/i2c-core.h
@@ -31,9 +31,18 @@ int i2c_check_addr_validity(unsigned addr, unsigned short flags);
 int i2c_check_7bit_addr_validity_strict(unsigned short addr);
 
 #ifdef CONFIG_ACPI
+const struct acpi_device_id *
+i2c_acpi_match_device(const struct acpi_device_id *matches,
+                     struct i2c_client *client);
 void i2c_acpi_register_devices(struct i2c_adapter *adap);
 #else /* CONFIG_ACPI */
 static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { }
+static inline const struct acpi_device_id *
+i2c_acpi_match_device(const struct acpi_device_id *matches,
+                     struct i2c_client *client)
+{
+       return NULL;
+}
 #endif /* CONFIG_ACPI */
 extern struct notifier_block i2c_acpi_notifier;