i2c: Emulate SMBus block read over I2C

[powerpc.git] / include / linux / i2c.h

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 568dd10..563c965 100644 (file)
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -366,6 +366,7 @@ struct i2c_msg {
 #define I2C_M_REV_DIR_ADDR     0x2000
 #define I2C_M_IGNORE_NAK       0x1000
 #define I2C_M_NO_RD_ACK                0x0800
+#define I2C_M_RECV_LEN         0x0400 /* length will be first received byte */
        __u16 len;              /* msg length                           */
        __u8 *buf;              /* pointer to msg data                  */
 };