diff options
Diffstat (limited to 'Documentation/i2c/functionality')
-rw-r--r-- | Documentation/i2c/functionality | 9 |
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 | ||
53 | In kernel versions prior to 3.5 I2C_FUNC_NOSTART was implemented as | ||
54 | part of I2C_FUNC_PROTOCOL_MANGLING. | ||
55 | |||
53 | 56 | ||
54 | ADAPTER IMPLEMENTATION | 57 | ADAPTER IMPLEMENTATION |
55 | ---------------------- | 58 | ---------------------- |