From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Tue, 19 Sep 2017 20:46:10 +0000 (-0400)
Subject: media: dtv-core.rst: add chapters and introductory tests for common parts
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7af90c04cc8343fb8063d0b3d7ba135daf3aabde;p=openwrt%2Fstaging%2Fblogic.git

media: dtv-core.rst: add chapters and introductory tests for common parts

Better document the DVB common parts by adding two sections
and an introductory text for each.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/Documentation/media/kapi/dtv-core.rst b/Documentation/media/kapi/dtv-core.rst
index de9a228aca8a..4cf9cf63bafd 100644
--- a/Documentation/media/kapi/dtv-core.rst
+++ b/Documentation/media/kapi/dtv-core.rst
@@ -29,8 +29,20 @@ I2C bus.
 Digital TV Common functions
 ---------------------------
 
+Math functions
+~~~~~~~~~~~~~~
+
+Provide some commonly-used math functions, usually required in order to
+estimate signal strength and signal to noise measurements in dB.
+
 .. kernel-doc:: drivers/media/dvb-core/dvb_math.h
 
+
+DVB devices
+~~~~~~~~~~~
+
+Those functions are responsible for handling the DVB device nodes.
+
 .. kernel-doc:: drivers/media/dvb-core/dvbdev.h
 
 Digital TV Ring buffer