diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /Documentation/DocBook/media/v4l/vidioc-g-modulator.xml | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-g-modulator.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-g-modulator.xml | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-g-modulator.xml b/Documentation/DocBook/media/v4l/vidioc-g-modulator.xml index 7068b599a..96e17b344 100644 --- a/Documentation/DocBook/media/v4l/vidioc-g-modulator.xml +++ b/Documentation/DocBook/media/v4l/vidioc-g-modulator.xml @@ -78,6 +78,12 @@ different audio modulation if the request cannot be satisfied. However this is a write-only ioctl, it does not return the actual audio modulation selected.</para> + <para><link linkend="sdr">SDR</link> specific modulator types are +<constant>V4L2_TUNER_SDR</constant> and <constant>V4L2_TUNER_RF</constant>. +For SDR devices <structfield>txsubchans</structfield> field must be +initialized to zero. +The term 'modulator' means SDR transmitter in this context.</para> + <para>To change the radio frequency the &VIDIOC-S-FREQUENCY; ioctl is available.</para> @@ -140,7 +146,13 @@ indicator, for example a stereo pilot tone.</entry> </row> <row> <entry>__u32</entry> - <entry><structfield>reserved</structfield>[4]</entry> + <entry><structfield>type</structfield></entry> + <entry spanname="hspan">Type of the modulator, see <xref + linkend="v4l2-tuner-type" />.</entry> + </row> + <row> + <entry>__u32</entry> + <entry><structfield>reserved</structfield>[3]</entry> <entry>Reserved for future extensions. Drivers and applications must set the array to zero.</entry> </row> |