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Subject[PATCH 1/3] i2c: Add class for LEGO MINDSTORMS sensors
Date
LEGO MINDSTORMS (robotics system from LEGO) has a number of sensors
that use I2C communications. These sensors have a well-know register
layout, so they are easily detected.

This class is being added so that future drivers for these sensors can
be automatically detected.

Signed-off-by: David Lechner <david@lechnology.com>
---
include/linux/i2c.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index fffdc27..3eab858 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -638,6 +638,7 @@ i2c_unlock_adapter(struct i2c_adapter *adapter)
#define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */
#define I2C_CLASS_SPD (1<<7) /* Memory modules */
#define I2C_CLASS_DEPRECATED (1<<8) /* Warn users that adapter will stop using classes */
+#define I2C_CLASS_LEGO (1<<9) /* LEGO MINDSTORMS sensors */

/* Internal numbers to terminate lists */
#define I2C_CLIENT_END 0xfffeU
--
2.7.4
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