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Diffstat (limited to 'include/linux/i2c.h')
-rw-r--r--include/linux/i2c.h22
1 files changed, 8 insertions, 14 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 6c4db54714f6..e982b8913b73 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* ------------------------------------------------------------------------- */
/* */
/* i2c.h - definitions for the i2c-bus interface */
@@ -5,20 +6,7 @@
/* ------------------------------------------------------------------------- */
/* Copyright (C) 1995-2000 Simon G. Vogl
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- MA 02110-1301 USA. */
+ */
/* ------------------------------------------------------------------------- */
/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
@@ -26,6 +14,7 @@
#ifndef _LINUX_I2C_H
#define _LINUX_I2C_H
+#include <linux/acpi.h> /* for acpi_handle */
#include <linux/mod_devicetable.h>
#include <linux/device.h> /* for struct device */
#include <linux/sched.h> /* for completion */
@@ -993,6 +982,7 @@ bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
u32 i2c_acpi_find_bus_speed(struct device *dev);
struct i2c_client *i2c_acpi_new_device(struct device *dev, int index,
struct i2c_board_info *info);
+struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle);
#else
static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
struct acpi_resource_i2c_serialbus **i2c)
@@ -1008,6 +998,10 @@ static inline struct i2c_client *i2c_acpi_new_device(struct device *dev,
{
return NULL;
}
+static inline struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
+{
+ return NULL;
+}
#endif /* CONFIG_ACPI */
#endif /* _LINUX_I2C_H */