summaryrefslogtreecommitdiffstats
path: root/Documentation/DocBook
diff options
context:
space:
mode:
authorAntti Palosaari <crope@iki.fi>2014-02-04 23:15:22 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-13 10:26:42 -0300
commit982b5ee9a91790c77a5f7637ce48e9be441ddc47 (patch)
treeaf907f00730519030210514bcf4807423540164f /Documentation/DocBook
parentc4d28cc79be8f9156fbb76874a84263872ea52b8 (diff)
downloadop-kernel-dev-982b5ee9a91790c77a5f7637ce48e9be441ddc47.zip
op-kernel-dev-982b5ee9a91790c77a5f7637ce48e9be441ddc47.tar.gz
[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>
Diffstat (limited to 'Documentation/DocBook')
-rw-r--r--Documentation/DocBook/media/v4l/controls.xml19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index 0340b962..7789215 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -5045,6 +5045,25 @@ 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>
<entry>boolean</entry>
</row>
OpenPOWER on IntegriCloud