Patch to hal-spec : 6/6-system-sensors
Richard Hughes
ee21rh at surrey.ac.uk
Tue Jan 11 10:43:22 PST 2005
<sect2 id="device-properties-system-sensors">
<title><literal>system.sensors</literal> namespace</title>
<para>
Device objects with the capability <literal>system.sensors</literal>
represent all light and temperature sensors in the system
</para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>Key (type)</entry>
<entry>Values</entry>
<entry>Mandatory</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><literal>system.sensor.type</literal> (string)</entry>
<entry></entry>
<entry>Yes</entry>
<entry>The type of sensor device</entry>
</row>
<row>
<entry></entry>
<entry>light</entry>
<entry></entry>
<entry>Light sensor</entry>
</row>
<row>
<entry></entry>
<entry>temperature</entry>
<entry></entry>
<entry>Temperature sensor</entry>
</row>
<row>
<entry><literal>system.sensor.location</literal> (string)</entry>
<entry></entry>
<entry>Yes</entry>
<entry>The location of the sensor device</entry>
</row>
<row>
<entry></entry>
<entry>gpu</entry>
<entry></entry>
<entry>Measures GPU source</entry>
</row>
<row>
<entry></entry>
<entry>cpu</entry>
<entry></entry>
<entry>Measures CPU source</entry>
</row>
<row>
<entry></entry>
<entry>external</entry>
<entry></entry>
<entry>Measures external source</entry>
</row>
<row>
<entry></entry>
<entry>unknown</entry>
<entry></entry>
<entry>Measuring other source</entry>
</row>
<row>
<entry><literal>system.sensor.device</literal> (string)</entry>
<entry></entry>
<entry>No</entry>
<entry>HAL UDI reference</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</sect2>
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