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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