From f37dd80ac2a67e4e4e921f99d34a1ceeb2488abb Mon Sep 17 00:00:00 2001 From: David Brownell Date: Tue, 13 Feb 2007 22:09:00 +0100 Subject: i2c: Add driver suspend/resume/shutdown support Driver model updates for the I2C core: - Add new suspend(), resume(), and shutdown() methods. Use them in the standard driver model style; document them. - Minor doc updates to highlight zero-initialized fields in drivers, and the driver model accessors for "clientdata". If any i2c drivers were previously using the old suspend/resume calls in "struct driver", they were getting warning messages ... and will now no longer work. Other than that, this patch changes no behaviors; and it lets I2C drivers use conventional PM and shutdown support. Signed-off-by: David Brownell Signed-off-by: Jean Delvare --- include/linux/i2c.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 71e50d3e492f..9428092017e3 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -125,7 +125,12 @@ struct i2c_driver { * it must be freed here. */ int (*detach_client)(struct i2c_client *); - + + /* driver model interfaces that don't relate to enumeration */ + void (*shutdown)(struct i2c_client *); + int (*suspend)(struct i2c_client *, pm_message_t mesg); + int (*resume)(struct i2c_client *); + /* a ioctl like command that can be used to perform specific functions * with the device. */ -- cgit v1.2.2