Merge tag 'linux-kselftest-4.14-rc1-update' of git://git.kernel.org/pub/scm/linux...

[sfrench/cifs-2.6.git] / Documentation / media / uapi / dvb / demux.rst

diff --git a/Documentation/media/uapi/dvb/demux.rst b/Documentation/media/uapi/dvb/demux.rst
index b12b5a2dac94b21a5a8d7bc781d7c86ab05b557e..45c3d6405c46a7e8f9d7c0ce2d01336dc2f41d69 100644 (file)
--- a/Documentation/media/uapi/dvb/demux.rst
+++ b/Documentation/media/uapi/dvb/demux.rst
@@ -2,10 +2,15 @@
 
 .. _dvb_demux:
 
-################
-DVB Demux Device
-################
-The DVB demux device controls the filters of the DVB hardware/software.
+#######################
+Digital TV Demux Device
+#######################
+
+The Digital TV demux device controls the MPEG-TS filters for the
+digital TV. If the driver and hardware supports, those filters are
+implemented at the hardware. Otherwise, the Kernel provides a software
+emulation.
+
 It can be accessed through ``/dev/adapter?/demux?``. Data types and and
 ioctl definitions can be accessed by including ``linux/dvb/dmx.h`` in
 your application.