--- zzzz-none-000/linux-3.10.107/Documentation/DocBook/media/v4l/vidioc-enum-freq-bands.xml	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/DocBook/media/v4l/vidioc-enum-freq-bands.xml	2021-02-04 17:41:59.000000000 +0000
@@ -100,7 +100,7 @@
 	    <entry><structfield>capability</structfield></entry>
 	    <entry spanname="hspan">The tuner/modulator capability flags for
 this frequency band, see <xref linkend="tuner-capability" />. The <constant>V4L2_TUNER_CAP_LOW</constant>
-capability must be the same for all frequency bands of the selected tuner/modulator.
+or <constant>V4L2_TUNER_CAP_1HZ</constant> capability must be the same for all frequency bands of the selected tuner/modulator.
 So either all bands have that capability set, or none of them have that capability.</entry>
 	  </row>
 	  <row>
@@ -109,7 +109,8 @@
 	    <entry spanname="hspan">The lowest tunable frequency in
 units of 62.5 kHz, or if the <structfield>capability</structfield>
 flag <constant>V4L2_TUNER_CAP_LOW</constant> is set, in units of 62.5
-Hz, for this frequency band.</entry>
+Hz, for this frequency band. A 1 Hz unit is used when the <structfield>capability</structfield> flag
+<constant>V4L2_TUNER_CAP_1HZ</constant> is set.</entry>
 	  </row>
 	  <row>
 	    <entry>__u32</entry>
@@ -117,7 +118,8 @@
 	    <entry spanname="hspan">The highest tunable frequency in
 units of 62.5 kHz, or if the <structfield>capability</structfield>
 flag <constant>V4L2_TUNER_CAP_LOW</constant> is set, in units of 62.5
-Hz, for this frequency band.</entry>
+Hz, for this frequency band. A 1 Hz unit is used when the <structfield>capability</structfield> flag
+<constant>V4L2_TUNER_CAP_1HZ</constant> is set.</entry>
 	  </row>
 	  <row>
 	    <entry>__u32</entry>