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Diffstat (limited to 'Documentation/i2c/writing-clients.rst')
| -rw-r--r-- | Documentation/i2c/writing-clients.rst | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Documentation/i2c/writing-clients.rst b/Documentation/i2c/writing-clients.rst index 978cc8210bf3..41ddc10f1ac7 100644 --- a/Documentation/i2c/writing-clients.rst +++ b/Documentation/i2c/writing-clients.rst @@ -155,9 +155,8 @@ those devices, and a remove() method to unbind. :: - static int foo_probe(struct i2c_client *client, - const struct i2c_device_id *id); - static int foo_remove(struct i2c_client *client); + static int foo_probe(struct i2c_client *client); + static void foo_remove(struct i2c_client *client); Remember that the i2c_driver does not create those client handles. The handle may be used during foo_probe(). If foo_probe() reports success @@ -165,8 +164,12 @@ handle may be used during foo_probe(). If foo_probe() reports success foo_remove() returns. That binding model is used by most Linux drivers. The probe function is called when an entry in the id_table name field -matches the device's name. It is passed the entry that was matched so -the driver knows which one in the table matched. +matches the device's name. If the probe function needs that entry, it +can retrieve it using + +:: + + const struct i2c_device_id *id = i2c_match_id(foo_idtable, client); Device Creation @@ -361,7 +364,7 @@ stop condition is issued between transaction. The i2c_msg structure contains for each message the client address, the number of bytes of the message and the message data itself. -You can read the file ``i2c-protocol`` for more information about the +You can read the file i2c-protocol.rst for more information about the actual I2C protocol. @@ -411,7 +414,7 @@ transactions return 0 on success; the 'read' transactions return the read value, except for block transactions, which return the number of values read. The block buffers need not be longer than 32 bytes. -You can read the file ``smbus-protocol`` for more information about the +You can read the file smbus-protocol.rst for more information about the actual SMBus protocol. |