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-rw-r--r--Documentation/i2c/functionality9
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/i2c/functionality b/Documentation/i2c/functionality
index 42c17c1fb3cd..b0ff2ab596ce 100644
--- a/Documentation/i2c/functionality
+++ b/Documentation/i2c/functionality
@@ -18,9 +18,9 @@ For the most up-to-date list of functionality constants, please check
18 adapters typically can not do these) 18 adapters typically can not do these)
19 I2C_FUNC_10BIT_ADDR Handles the 10-bit address extensions 19 I2C_FUNC_10BIT_ADDR Handles the 10-bit address extensions
20 I2C_FUNC_PROTOCOL_MANGLING Knows about the I2C_M_IGNORE_NAK, 20 I2C_FUNC_PROTOCOL_MANGLING Knows about the I2C_M_IGNORE_NAK,
21 I2C_M_REV_DIR_ADDR, I2C_M_NOSTART and 21 I2C_M_REV_DIR_ADDR and I2C_M_NO_RD_ACK
22 I2C_M_NO_RD_ACK flags (which modify the 22 flags (which modify the I2C protocol!)
23 I2C protocol!) 23 I2C_FUNC_NOSTART Can skip repeated start sequence
24 I2C_FUNC_SMBUS_QUICK Handles the SMBus write_quick command 24 I2C_FUNC_SMBUS_QUICK Handles the SMBus write_quick command
25 I2C_FUNC_SMBUS_READ_BYTE Handles the SMBus read_byte command 25 I2C_FUNC_SMBUS_READ_BYTE Handles the SMBus read_byte command
26 I2C_FUNC_SMBUS_WRITE_BYTE Handles the SMBus write_byte command 26 I2C_FUNC_SMBUS_WRITE_BYTE Handles the SMBus write_byte command
@@ -50,6 +50,9 @@ A few combinations of the above flags are also defined for your convenience:
50 emulated by a real I2C adapter (using 50 emulated by a real I2C adapter (using
51 the transparent emulation layer) 51 the transparent emulation layer)
52 52
53In kernel versions prior to 3.5 I2C_FUNC_NOSTART was implemented as
54part of I2C_FUNC_PROTOCOL_MANGLING.
55
53 56
54ADAPTER IMPLEMENTATION 57ADAPTER IMPLEMENTATION
55---------------------- 58----------------------