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linux/Documentation/i2c/dev-interface

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Doc: i2c: Fix typo in Documentation/i2c This path fix spelling typos found in Documentation/i2c. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-02-02 20:41:25 +09:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: update i2c-dev.h warning in documentation `Documentation/i2c/dev-interface` gives examples for accessing i2c from userspace. There's a note that warns developers about the two `i2c-dev.h` header files which were shipped with the kernel and i2c-tools separately. However, following i2c-tools commits suggest that the header files are now identical (in functionality) and `i2c_*` helper functions are now defined in a separate header called `i2c/smbus.h`, which is distributed with i2c-tools: commit 652619121974 ("Minimize differences with kernel flavor") commit 93caf007f4cb ("Move SMBus helper functions to include/i2c/smbus.h") Thus, I've converted the warning paragraph into a historical note and updated the suggested header files. Signed-off-by: Cengiz Can <cengizc@gmail.com> Cc: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-12-12 19:43:09 +03:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Documentation: i2c: rename variable "register" to "reg" The example code provided with the i2c device interface documentation won't compile since it uses the reserved word "register" to name a variable. The compiler fails with this error message: error: expected identifier or '(' before '=' token __u8 register = 0x20; /* Device register to access */ ^ Rename the variable "register" to simply "reg" in the example code. Another couple of typos has been fixed as well. [Change "! =" to "!=".] Signed-off-by: Jose Alarcon Roldan <jose.alarcon.roldan@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-07 11:25:00 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Documentation: i2c: rename variable "register" to "reg" The example code provided with the i2c device interface documentation won't compile since it uses the reserved word "register" to name a variable. The compiler fails with this error message: error: expected identifier or '(' before '=' token __u8 register = 0x20; /* Device register to access */ ^ Rename the variable "register" to simply "reg" in the example code. Another couple of typos has been fixed as well. [Change "! =" to "!=".] Signed-off-by: Jose Alarcon Roldan <jose.alarcon.roldan@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-07 11:25:00 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Documentation: i2c: rename variable "register" to "reg" The example code provided with the i2c device interface documentation won't compile since it uses the reserved word "register" to name a variable. The compiler fails with this error message: error: expected identifier or '(' before '=' token __u8 register = 0x20; /* Device register to access */ ^ Rename the variable "register" to simply "reg" in the example code. Another couple of typos has been fixed as well. [Change "! =" to "!=".] Signed-off-by: Jose Alarcon Roldan <jose.alarcon.roldan@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-07 11:25:00 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Documentation: i2c: rename variable "register" to "reg" The example code provided with the i2c device interface documentation won't compile since it uses the reserved word "register" to name a variable. The compiler fails with this error message: error: expected identifier or '(' before '=' token __u8 register = 0x20; /* Device register to access */ ^ Rename the variable "register" to simply "reg" in the example code. Another couple of typos has been fixed as well. [Change "! =" to "!=".] Signed-off-by: Jose Alarcon Roldan <jose.alarcon.roldan@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-09-07 11:25:00 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Rename the PEC functionality bit Rename I2C_FUNC_SMBUS_HWPEC_CALC as I2C_FUNC_SMBUS_PEC, and list that functionality as always available through the software implementation. Update documentation accordingly (and list similar requirements). The way it's currently packaged doesn't present the capability in a useful way. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-10-13 23:56:33 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Rename the PEC functionality bit Rename I2C_FUNC_SMBUS_HWPEC_CALC as I2C_FUNC_SMBUS_PEC, and list that functionality as always available through the software implementation. Update documentation accordingly (and list similar requirements). The way it's currently packaged doesn't present the capability in a useful way. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-10-13 23:56:33 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Rename the PEC functionality bit Rename I2C_FUNC_SMBUS_HWPEC_CALC as I2C_FUNC_SMBUS_PEC, and list that functionality as always available through the software implementation. Update documentation accordingly (and list similar requirements). The way it's currently packaged doesn't present the capability in a useful way. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-10-13 23:56:33 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Rename the PEC functionality bit Rename I2C_FUNC_SMBUS_HWPEC_CALC as I2C_FUNC_SMBUS_PEC, and list that functionality as always available through the software implementation. Update documentation accordingly (and list similar requirements). The way it's currently packaged doesn't present the capability in a useful way. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2007-10-13 23:56:33 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Improve dev-interface documentation * Clarify some points. * Point developers to i2c-tools instead of lm_sensors. * Fix coding style in code examples. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
i2c: Document the implementation details of the /dev interface I wrote this explanation to answer a question on the i2c mailing list, and thought it would be good to have in the kernel documentation. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
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>
2017-05-25 22:55:42 +02:00
i2c: Document the implementation details of the /dev interface I wrote this explanation to answer a question on the i2c mailing list, and thought it would be good to have in the kernel documentation. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
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>
2017-05-25 22:55:42 +02:00
i2c: Document the implementation details of the /dev interface I wrote this explanation to answer a question on the i2c mailing list, and thought it would be good to have in the kernel documentation. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00
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>
2017-05-25 22:55:42 +02:00
i2c: Document the implementation details of the /dev interface I wrote this explanation to answer a question on the i2c mailing list, and thought it would be good to have in the kernel documentation. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2008-10-14 17:30:05 +02:00