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Search for the first hwmon* directory 

Background and Motivation
-------------------------
When the `hwmon-path-abs` and the `input-filename` fields are used for
the temperature module, we evaluated the following path:

```
[hwmon-path-abs] / [gap] / [input-filename]
```

where `gap` is the first file or directory in the `hwmon-path-abs`
directory. This usually works but it doesn't seem to work for NVME or
WiFi temperature sensors. For those cases, there are a bunch of other
files in the `hwmon-path-abs` directory. In the bad case, the first
selected file is not the one with the prefix `hwmon` and we end up
checking the wrong location for the `input-filename`.

Change description
------------------
We are simply going through the `hwmon-path-abs` directory and searching
for the first file/directory that begins with `hwmon`.

Test case
---------
I tested this on a AMD based Framework 13 laptop.
This commit is contained in:
Imran Haider 2024-02-05 21:31:02 -05:00
parent 4c5ff80bbd
commit 92875711c6
1 changed files with 9 additions and 5 deletions
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14
src/modules/temperature.cpp
View File

@ -24,11 +24,15 @@ waybar::modules::Temperature::Temperature(const std::string& id, const Json::Val
}
}
} else if (config_["hwmon-path-abs"].isString() && config_["input-filename"].isString()) {
file_path_ = (*std::filesystem::directory_iterator(config_["hwmon-path-abs"].asString()))
.path()
.string() +
"/" + config_["input-filename"].asString();
} else {
for (const auto& hwmon : std::filesystem::directory_iterator(config_["hwmon-path-abs"].asString())) {
if (hwmon.path().filename().string().starts_with("hwmon")) {
file_path_ = hwmon.path().string() + "/" + config_["input-filename"].asString();
break;
}
}
}
if (file_path_.empty()) {
auto zone = config_["thermal-zone"].isInt() ? config_["thermal-zone"].asInt() : 0;
file_path_ = fmt::format("/sys/class/thermal/thermal_zone{}/temp", zone);
}