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i2c: Add i2c_new_dummy() utility

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This adds a i2c_new_dummy() primitive to help work with devices
that consume multiple addresses, which include many I2C eeproms
and at least one RTC.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
David Brownell 2008-01-27 18:14:52 +01:00 • committed by Jean Delvare
parent 0b987dcd3a
commit e9f1373b64
2 changed files with 64 additions and 1 deletions
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6
include/linux/i2c.h
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@ -259,6 +259,12 @@ i2c_new_probed_device(struct i2c_adapter *adap,
struct i2c_board_info *info,
unsigned short const *addr_list);
/* For devices that use several addresses, use i2c_new_dummy() to make
* client handles for the extra addresses.
*/
extern struct i2c_client *
i2c_new_dummy(struct i2c_adapter *adap, u16 address, const char *type);
extern void i2c_unregister_device(struct i2c_client *);
/* Mainboard arch_initcall() code should register all its I2C devices.