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83bed3c159
Add a module parameter to force the write protection mode of pmbus chips.
4 protections modes are provided to start with:
* 0: Remove the write protection
* 1: Disable all writes except to the WRITE_PROTECT, OPERATION,
PAGE, ON_OFF_CONFIG and VOUT_COMMAND commands
* 2: Disable all writes except to the WRITE_PROTECT, OPERATION and
PAGE commands
* 3: Disable all writes except to the WRITE_PROTECT command
Of course, if the parameter is not provided, the default write protection
status of the pmbus chips is left untouched.
Suggested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Linux kernel
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