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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: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2014-02-04 23:15:22 -03:00 committed by Mauro Carvalho Chehab
parent c4d28cc79b
commit 982b5ee9a9
1 changed files with 19 additions and 0 deletions
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19
Documentation/DocBook/media/v4l/controls.xml
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@ -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>