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docs: i2c: dev-interface: adapt to new filenames of the i2c core 

The I2C core files were renamed, adapt the textfile to it.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2017-05-25 22:55:42 +02:00
parent 53f8f7c5cf
commit 984b292333
1 changed files with 7 additions and 7 deletions
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14
Documentation/i2c/dev-interface
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@ -191,7 +191,7 @@ checking on future transactions.)
4* Other ioctl() calls are converted to in-kernel function calls by
i2c-dev. Examples include I2C_FUNCS, which queries the I2C adapter
functionality using i2c.h:i2c_get_functionality(), and I2C_SMBUS, which
performs an SMBus transaction using i2c-core.c:i2c_smbus_xfer().
performs an SMBus transaction using i2c-core-smbus.c:i2c_smbus_xfer().
The i2c-dev driver is responsible for checking all the parameters that
come from user-space for validity. After this point, there is no
@ -200,13 +200,13 @@ and calls that would have been performed by kernel I2C chip drivers
directly. This means that I2C bus drivers don't need to implement
anything special to support access from user-space.
5* These i2c-core.c/i2c.h functions are wrappers to the actual
implementation of your I2C bus driver. Each adapter must declare
callback functions implementing these standard calls.
i2c.h:i2c_get_functionality() calls i2c_adapter.algo->functionality(),
while i2c-core.c:i2c_smbus_xfer() calls either
5* These i2c.h functions are wrappers to the actual implementation of
your I2C bus driver. Each adapter must declare callback functions
implementing these standard calls. i2c.h:i2c_get_functionality() calls
i2c_adapter.algo->functionality(), while
i2c-core-smbus.c:i2c_smbus_xfer() calls either
adapter.algo->smbus_xfer() if it is implemented, or if not,
i2c-core.c:i2c_smbus_xfer_emulated() which in turn calls
i2c-core-smbus.c:i2c_smbus_xfer_emulated() which in turn calls
i2c_adapter.algo->master_xfer().
After your I2C bus driver has processed these requests, execution runs