[1/3] i2c: Add class for LEGO MINDSTORMS sensors

Message ID 1473108014-30787-2-git-send-email-david@lechnology.com
State New
Headers show

Commit Message

David Lechner Sept. 5, 2016, 8:40 p.m.
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(+)

Comments

Uwe Kleine-K├Ânig Sept. 6, 2016, 7:01 p.m. | #1
Hello David,

On Mon, Sep 05, 2016 at 03:40:12PM -0500, David Lechner wrote:
> that use I2C communications. These sensors have a well-know register
s/w/wn/

Best regards
Uwe

Patch

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