docs: i2c: smbus-protocol: improve DataLow/DataHigh definition

[linux-block.git] / Documentation / i2c / smbus-protocol.rst

diff --git a/Documentation/i2c/smbus-protocol.rst b/Documentation/i2c/smbus-protocol.rst
index 55e209c7e5207f785c26f5a35d24c6b86540c59c..4942c4cad4adabde16cc24ee82dc219b2dd38a40 100644 (file)
--- a/Documentation/i2c/smbus-protocol.rst
+++ b/Documentation/i2c/smbus-protocol.rst
@@ -45,8 +45,8 @@ Addr  (7 bits)  I2C 7 bit address. Note that this can be expanded to
                 get a 10 bit I2C address.
 Comm  (8 bits)  Command byte, a data byte which often selects a register on
                 the device.
-Data  (8 bits)  A plain data byte. Sometimes, I write DataLow, DataHigh
-                for 16 bit data.
+Data  (8 bits)  A plain data byte. DataLow and DataHigh represent the low and
+                high byte of a 16 bit word.
 Count (8 bits)  A data byte containing the length of a block operation.
 
 [..]            Data sent by I2C device, as opposed to data sent by the host