From 982b5ee9a91790c77a5f7637ce48e9be441ddc47 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Tue, 4 Feb 2014 23:15:22 -0300 Subject: [PATCH] [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 Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- Documentation/DocBook/media/v4l/controls.xml | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 0340b9620d7a..7789215e2b62 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -5043,6 +5043,25 @@ of devices having RF tuner. The RF_TUNER class descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a description of this control class. + + + V4L2_CID_RF_TUNER_BANDWIDTH_AUTO  + boolean + + + Enables/disables tuner radio channel +bandwidth configuration. In automatic mode bandwidth configuration is performed +by the driver. + + + V4L2_CID_RF_TUNER_BANDWIDTH  + integer + + + 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. V4L2_CID_RF_TUNER_LNA_GAIN_AUTO  -- 2.20.1