</orderedlist>
     </section>
 
+    <section>
+      <title>V4L2 in Linux 4.4</title>
+      <orderedlist>
+       <listitem>
+         <para>Renamed <constant>V4L2_TUNER_ADC</constant> to
+<constant>V4L2_TUNER_SDR</constant>. The use of
+<constant>V4L2_TUNER_ADC</constant> is deprecated now.
+         </para>
+       </listitem>
+      </orderedlist>
+    </section>
+
     <section id="other">
       <title>Relation of V4L2 to other Linux multimedia APIs</title>
 
 
     </para>
 
     <para>
-The <constant>V4L2_TUNER_ADC</constant> tuner type is used for ADC tuners, and
+The <constant>V4L2_TUNER_SDR</constant> tuner type is used for SDR tuners, and
 the <constant>V4L2_TUNER_RF</constant> tuner type is used for RF tuners. The
-tuner index of the RF tuner (if any) must always follow the ADC tuner index.
-Normally the ADC tuner is #0 and the RF tuner is #1.
+tuner index of the RF tuner (if any) must always follow the SDR tuner index.
+Normally the SDR tuner is #0 and the RF tuner is #1.
     </para>
 
     <para>
 
 structs, ioctls) must be noted in more detail in the history chapter
 (compat.xml), along with the possible impact on existing drivers and
 applications. -->
+      <revision>
+       <revnumber>4.4</revnumber>
+       <date>2015-05-26</date>
+       <authorinitials>ap</authorinitials>
+       <revremark>Renamed V4L2_TUNER_ADC to V4L2_TUNER_SDR.
+       </revremark>
+      </revision>
 
       <revision>
        <revnumber>3.21</revnumber>
 
        struct v4l2_frequency *p = arg;
 
        if (vfd->vfl_type == VFL_TYPE_SDR)
-               p->type = V4L2_TUNER_ADC;
+               p->type = V4L2_TUNER_SDR;
        else
                p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
                                V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
        enum v4l2_tuner_type type;
 
        if (vfd->vfl_type == VFL_TYPE_SDR) {
-               if (p->type != V4L2_TUNER_ADC && p->type != V4L2_TUNER_RF)
+               if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF)
                        return -EINVAL;
        } else {
                type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
        int err;
 
        if (vfd->vfl_type == VFL_TYPE_SDR) {
-               if (p->type != V4L2_TUNER_ADC && p->type != V4L2_TUNER_RF)
+               if (p->type != V4L2_TUNER_SDR && p->type != V4L2_TUNER_RF)
                        return -EINVAL;
                type = p->type;
        } else {
 
        V4L2_TUNER_RADIO             = 1,
        V4L2_TUNER_ANALOG_TV         = 2,
        V4L2_TUNER_DIGITAL_TV        = 3,
-       V4L2_TUNER_ADC               = 4,
+       V4L2_TUNER_SDR               = 4,
        V4L2_TUNER_RF                = 5,
 };
 
+/* Deprecated, do not use */
+#define V4L2_TUNER_ADC  V4L2_TUNER_SDR
+
 enum v4l2_memory {
        V4L2_MEMORY_MMAP             = 1,
        V4L2_MEMORY_USERPTR          = 2,