for faster main features lookup. One side effect of this change is
that subfeatures can no longer have labels nor be ignored. I do not
think that this is a problem in practice, and actually this makes a
lot of sense.
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from its type, there's no need to store this scaling factor. We can
instead compute it at runtime. This saves some memory (about 10 kB
in my real-world test), and the runtime overhead is totally
negligible.
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feature number as the logical mapping. This means that the compute
mapping can be turned into a simple boolean flag. Doing so makes
struct sensors_feature_data smaller, which saves some memory (about
17 kB in my tests.)
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sensors_bus_id. This prevents wasting space with padding on 64-bit
systems, saving some memory (128 bytes for sensors_bus_id, nothing
yet for sensors_feature_data but it will come later).
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i2c-centric. Make it more neutral so that we can cleanly support
additional bus types such as SPI or One-Wire.
This second part updates sensors_bus to use sensors_bus_id. Thanks
to Mark M. Hoffman for showing me how the configuration file
parser could be modified to support that change.
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and sensors_chip_features_list arrays tend to track the same information.
So it's much more simple, and more efficient, to have a single array. I
decided to keep sensors_proc_chips, because it already has memory management
helpers. One nice side effect is that the arbitrary limit to the number of
supported chips is now gone. Another one is that some of the memory leaks
were fixed.
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sensors_chip_features_list[]. Using only the prefix (as was done before)
makes it impossible to properly support multiple chips with the same prefix
but a different feature set.
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memory as part of another structure. This rather large patch fixes that by
making the smaller piece an explicit member of the larger.
I brought this patch into sync with the latest SVN, and tested it by comparing
objects files from the tree pre- and post- patch.
The remaining 99% of the credit goes to Bob Schlärmann <bob2@dsv.nl> for
creating the original patch... thanks Bob!
* Bob Schlärmann <bob2@dsv.nl> [2006-12-24 18:29:39 +0100]:
> The following patch changes all of the lib/chips.c entries and any function
> that uses sensors_chip_feature. Most of the conversion was done through a
> perl script, so if you don't agree with the syntax it'll be easy to change.
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I2C algorithms no longer have names in Linux 2.6, and anyway they are
implementation details user-space doesn't care about. No third party
application is known to have ever used this particular feature of
libsensors. "sensord" and "sensors" no longer do.
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This patch moves two macros from lib/proc.c to lib/data.h. The macros
pick up the "sensors_" prefix along the way. The motivation is the
same as the previous patch.
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needed to provide backward compatibility when changes are made
to the sysfs interface (policy change or driver fix).
The first item for which this is needed is VID files. The name
we chose, in0_ref, is bad (because motherboard manufacturers can
use any input for VCore, regardless of the recommendations.
Thus, the new name cpu0_vid is better. Drivers will be updated
later.
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vt1211 / vt8235 thermistor calculations. Add such calculations to
vt1211/vt8235 section in sensors.conf; bump library version to 1.4.0.
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This often-asked for, long-planned and somewhat-forgotten feature
makes it possible to tell libsensors-linked applications (like
the sensors program) that certain features should not be displayed.
This is very nice for things like unconnected temperature sensors
or fans.
Modifications to the library code, to the sensors program and to
the documentation and example sensors.conf file.
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An expression can now refer to the value it has to compute (@), but also to
other values. This is now perfectly valid as an expression:
vid + in_min - in_max * 2 / @
Not that this is very sensible, but you get the idea. Please install the
new example config file, or replace all old 'val' occurences with '@'.
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Most notably, config file line numbers are now stored, so we can now generate
better error messages.
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This brings the archive into synch with my harddisk...
Everything in the lib directory should compile without problems (yes, even
without warnings even if WARN=1). It is not well-tested, though, and there
are some minor functions which must still be added. It is now almost
usable.
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Jean Delvare