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| author | Jiri Kosina <jkosina@suse.cz> | 2017-09-05 11:07:05 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-09-05 11:07:05 +0200 |
| commit | b11918bdbe79bd002d00a9f1d78958167ccfad99 (patch) | |
| tree | 931c5680a242041f49b07b20823012ae9bdb98c2 /Documentation/i2c/dev-interface | |
| parent | d3c7ad2432115b0b53fb838c14b8ad9ad72f7254 (diff) | |
| parent | 0152b29c89650654abf4f0e96bbf2566b85ae55d (diff) | |
Merge branch 'for-4.14/battery' into for-linus
- support for batteries driven by HID input reports, from Dmitry Torokhov
Diffstat (limited to 'Documentation/i2c/dev-interface')
| -rw-r--r-- | Documentation/i2c/dev-interface | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface index bcf919d8625c..5ff19447ac44 100644 --- a/Documentation/i2c/dev-interface +++ b/Documentation/i2c/dev-interface @@ -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 |