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Commit 982b5ee9 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] DocBook: document RF tuner bandwidth controls 



Add documentation for RF tuner bandwidth controls. These controls are
used to set filters on tuner signal path.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent c4d28cc7

Documentation/DocBook/media/v4l/controls.xml

+19 −0
Original line number Diff line number Diff line
@@ -5043,6 +5043,25 @@ of devices having RF tuner.</para> 
            </row><row><entry spanname="descr">The RF_TUNER class

descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a

description of this control class.</entry>

            </row>

            <row>

              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH_AUTO</constant>&nbsp;</entry>

              <entry>boolean</entry>

            </row>

            <row>

              <entry spanname="descr">Enables/disables tuner radio channel

bandwidth configuration. In automatic mode bandwidth configuration is performed

by the driver.</entry>

            </row>

            <row>

              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH</constant>&nbsp;</entry>

              <entry>integer</entry>

            </row>

            <row>

              <entry spanname="descr">Filter(s) on tuner signal path are used to

filter signal according to receiving party needs. Driver configures filters to

fulfill desired bandwidth requirement. Used when V4L2_CID_RF_TUNER_BANDWIDTH_AUTO is not

set. The range and step are driver-specific.</entry>

            </row>

            <row>

              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_LNA_GAIN_AUTO</constant>&nbsp;</entry>