From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
So users can check in advance if there is slave support.
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
include/uapi/linux/i2c.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h
index 0e949cbfd33338..b0a7dd61eb353a 100644
--- a/include/uapi/linux/i2c.h
+++ b/include/uapi/linux/i2c.h
@@ -87,6 +87,7 @@ struct i2c_msg {
#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_IGNORE_NAK etc. */
#define I2C_FUNC_SMBUS_PEC 0x00000008
#define I2C_FUNC_NOSTART 0x00000010 /* I2C_M_NOSTART */
+#define I2C_FUNC_SLAVE 0x00000020
#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
#define I2C_FUNC_SMBUS_QUICK 0x00010000
#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
--
2.1.4
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