diff options
Diffstat (limited to 'Documentation/i2c')
| -rw-r--r-- | Documentation/i2c/busses/i2c-i801 | 8 | ||||
| -rw-r--r-- | Documentation/i2c/writing-clients | 5 |
2 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index e1bb5b26169..e307914a3ed 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -27,7 +27,13 @@ Authors: Module Parameters ----------------- -None. +* disable_features (bit vector) +Disable selected features normally supported by the device. This makes it +possible to work around possible driver or hardware bugs if the feature in +question doesn't work as intended for whatever reason. Bit values: + 1 disable SMBus PEC + 2 disable the block buffer + 8 disable the I2C block read functionality Description diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients index 3219ee0dbfe..5ebf5af1d71 100644 --- a/Documentation/i2c/writing-clients +++ b/Documentation/i2c/writing-clients @@ -74,6 +74,11 @@ structure at all. You should use this to keep device-specific data. /* retrieve the value */ void *i2c_get_clientdata(const struct i2c_client *client); +Note that starting with kernel 2.6.34, you don't have to set the `data' field +to NULL in remove() or if probe() failed anymore. The i2c-core does this +automatically on these occasions. Those are also the only times the core will +touch this field. + Accessing the client ==================== |