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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-09-19 16:46:10 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-10-11 13:01:53 -0400
commit7af90c04cc8343fb8063d0b3d7ba135daf3aabde (patch)
tree59e1d5d0752e4d9f371fb51720ab5970799ad172 /Documentation/media/kapi
parent6009367e0d52959aec52a6646f3f0c12856c003f (diff)
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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>
Diffstat (limited to 'Documentation/media/kapi')
-rw-r--r--Documentation/media/kapi/dtv-core.rst12
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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
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