longer need to build an array from the chip names passed on the
command line. Instead, we can process them one after the other
directly. This saves some memory and allows for minor code cleanups.
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caller select which subset of chips it wants. This is slightly better
size-wise than letting all applications do the filtering by themselves.
This will change the way the command line parameters of "sensors" are
interpreted. Beforehand, the chips were always returned in the order
in which they were listed by the library. Also, each chip could be listed
only once. From now on, the chips will be listed in the order in which
they are passed on the command line, which I think makes more sense. A
side effect is that chips can be listed more than once, if that's what
the user asks for. Not very useful though.
This change makes it possible to make sensors_match_chip() internal
to the library. Filtering the list of chips returned by
sensors_get_detected_chips() was the last known external use for this
function.
This patch looks much bigger than it really is, but the largest part is
really only code reindentation.
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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 first part introduces sensors_bus_id, and updates
sensors_chip_name to use it.
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sensors_parse_chip_name(). sensors_snprintf_chip_name() converts
a chip name from its internal representation to a human readable
string. So far, each user program had to reimplement this function.
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delegating the task to the user applications.
For now, I am calling sensors_get_ignored() in
sensors_get_all_features(), because this is the least intrusive way.
This is in no way optimal though, it would be better to not add
ignored features to the feature list in the first place. However,
doing so would require that the configuration file is read before
sysfs is scanned for features, which isn't currently the case. So
this improvement is left for later.
Note that this patch adds a small cost in terms of performance. This
is because we now honor ignore statements on all features (main ones
and subfeatures) while in practice "sensors" was only checking for
main features. It would be trivial to stop checking for subfeatures,
but it seems to me that supporting ignore on subfeatures is a good
move, as the user may actually want to ignore a specific subfeature.
Individual alarms come to mind. This will also be handy to debug the
generic print code in "sensors".
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immediately follow their main feature. This makes it possible to simplify
sensors_get_all_features() quite a bit. We no longer need to maintain
separate pointers for the last main feature and the last subfeature,
we can simply walk the list linearly.
Note that I am still not entirely happy with this API. It was obviously
designed for debugging purposes (sensors -u) and without performance
concernes nor interface cleanliness in mind. I believe that we want to
tag main features and subfeatures as such, and let the application ask
specifically for the list of main features, and for each feature, for
its list of subfeatures (i.e. two functions instead of one.)
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first called during the library initialization to generate the feature
tables. Then it is called again by sensors itself. This is because we
do not store the result the first time. I propose that we add a type
field to struct sensors_feature_data, where libsensors would store
the result of sensors_feature_get_type(). That way, the application
can get the information without calling sensors_feature_get_type()
again.
This change has the following benefits:
* Obviously, a small speed-up.
* sensors_feature_get_type() can be removed from the public interface.
This means that we can turn it into something that fits the
libsensors needs better, allowing for more optimizations (see next
patches.)
Note: the patch looks bigger that it really is, because I had to move
definitions around in sensors.h.
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it possible to install both the old and the new libsensors and sensors,
making testing much easier. sensors3 will be renamed back to sensors before
we release.
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* Fix the handling of temperature hysteresis. Hysteresis is not a
temperature limit by itself, but a property of temperature limit.
* Handle per-limit temperature alarms.
With these fixes, the ADM1032 is properly supported by the new code.
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identify sysfs entries. Reasons for this rewrite / bugs fixed:
-Don't give features like alarms / sensor type / fault flag a
compute mapping only a normal mapping
-Don't generate features for sysfs entries like uvent, modalias, etc.
instead only generate features for features known by
sensors_feature_get_type()
-Sort the list of found features logically instead of sorted in alphabet order
of the sysfs entry. So now it starts with all in entries, then all fan and
then all temp. Just like the order of most entries in lib/chips.c. Also
this means that it now contains in0 - in10 in that order and not in0, in10,
in1 - in9
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abituguru seems to work well with the new dynamic chip support and generic
chip printroutines. note: the abituguru code should be completly removed in
the future.
-comment k8temp entry in lib/chips.c and prog/sensors/main.c, as the
k8temp seems to work well with the new dynamic chip support and generic
chip printroutines. note: the k8temp code should be completly removed in
the future.
-make the match for the subtype exact instead of a strncmp, otherwise
an alarm_enable flag gets classified as an alarm, leading to all sensors who
have their alarm enabled getting an alarm reported, as the alarm_enabled gets
read as alarm.
-and do the same for the _input match to check if this is a main or subfeature
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