Input: yealink - convert documentation into ReST format

This file require minimum adjustments to be a valid ReST file.
Do it, in order to be able to parse it with Sphinx.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

Documentation/input/yealink.txt

+===============================================
 Driver documentation for yealink usb-p1k phones
+===============================================
+
+Status
+======
 
-0. Status
-~~~~~~~~~
 The p1k is a relatively cheap usb 1.1 phone with:
+
   - keyboard		full support, yealink.ko / input event API
   - LCD			full support, yealink.ko / sysfs API
   - LED			full support, yealink.ko / sysfs API
@@ -14,10 +18,11 @@ The p1k is a relatively cheap usb 1.1 phone with:
 For vendor documentation see http://www.yealink.com
 
 
-1. Compilation (stand alone version)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Compilation (stand alone version)
+=================================
+
 Currently only kernel 2.6.x.y versions are supported.
-In order to build the yealink.ko module do
+In order to build the yealink.ko module do::
 
   make
 
@@ -26,26 +31,28 @@ the Makefile is pointing to the location where your kernel sources
 are located, default /usr/src/linux.
 
 
-1.1 Troubleshooting
-~~~~~~~~~~~~~~~~~~~
-Q: Module yealink compiled and installed without any problem but phone
+Troubleshooting
+~~~~~~~~~~~~~~~
+
+:Q: Module yealink compiled and installed without any problem but phone
     is not initialized and does not react to any actions.
-A: If you see something like:
+:A: If you see something like:
     hiddev0: USB HID v1.00 Device [Yealink Network Technology Ltd. VOIP USB Phone
     in dmesg, it means that the hid driver has grabbed the device first. Try to
     load module yealink before any other usb hid driver. Please see the
     instructions provided by your distribution on module configuration.
 
-Q: Phone is working now (displays version and accepts keypad input) but I can't
+:Q: Phone is working now (displays version and accepts keypad input) but I can't
     find the sysfs files.
-A: The sysfs files are located on the particular usb endpoint. On most
+:A: The sysfs files are located on the particular usb endpoint. On most
     distributions you can do: "find /sys/ -name get_icons" for a hint.
 
 
-2. keyboard features
-~~~~~~~~~~~~~~~~~~~~
+keyboard features
+=================
+
 The current mapping in the kernel is provided by the map_p1k_to_key
-function:
+function::
 
    Physical USB-P1K button layout	input events
 
@@ -60,14 +67,15 @@ function:
         7      8      9			7, 8, 9,
         *      0      #			*, 0, #,
 
-  The "up" and "down" keys, are symbolised by arrows on the button.
-  The "pickup" and "hangup" keys are symbolised by a green and red phone
-  on the button.
+The "up" and "down" keys, are symbolised by arrows on the button.
+The "pickup" and "hangup" keys are symbolised by a green and red phone
+on the button.
 
 
-3. LCD features
-~~~~~~~~~~~~~~~
-The LCD is divided and organised as a 3 line display:
+LCD features
+============
+
+The LCD is divided and organised as a 3 line display::
 
     |[]   [][]   [][]   [][]   in   |[][]
     |[] M [][] D [][] : [][]   out  |[][]
@@ -79,18 +87,19 @@ The LCD is divided and organised as a 3 line display:
     [] [] [] [] [] [] [] [] [] [] [] []
 
 
-Line 1	Format (see below)	: 18.e8.M8.88...188
+  Line 1  Format (see below)	: 18.e8.M8.88...188
 	  Icon names		:   M  D  :  IN OUT STORE
-Line 2  Format			: .........
+  Line 2  Format		: .........
 	  Icon name		: NEW REP SU MO TU WE TH FR SA
-Line 3  Format			: 888888888888
+  Line 3  Format		: 888888888888
 
 
 Format description:
   From a userspace perspective the world is separated into "digits" and "icons".
   A digit can have a character set, an icon can only be ON or OFF.
 
-  Format specifier
+  Format specifier::
+
     '8' :  Generic 7 segment digit with individual addressable segments
 
     Reduced capability 7 segment digit, when segments are hard wired together.
@@ -105,9 +114,11 @@ Format description:
 	  elements.
 
 
-4. Driver usage
-~~~~~~~~~~~~~~~
-For userland the following interfaces are available using the sysfs interface:
+Driver usage
+============
+
+For userland the following interfaces are available using the sysfs interface::
+
   /sys/.../
            line1	Read/Write, lcd line1
            line2	Read/Write, lcd line2
@@ -125,31 +136,36 @@ For userland the following interfaces are available using the sysfs interface:
 			races between async. and sync usb calls.
 
 
-4.1 lineX
-~~~~~~~~~
-Reading /sys/../lineX will return the format string with its current value:
+lineX
+~~~~~
+
+Reading /sys/../lineX will return the format string with its current value.
+
+  Example::
 
-  Example:
     cat ./line3
     888888888888
     Linux Rocks!
 
 Writing to /sys/../lineX will set the corresponding LCD line.
+
  - Excess characters are ignored.
  - If less characters are written than allowed, the remaining digits are
    unchanged.
  - The tab '\t'and '\n' char does not overwrite the original content.
  - Writing a space to an icon will always hide its content.
 
-  Example:
+  Example::
+
     date +"%m.%e.%k:%M"  | sed 's/^0/ /' > ./line1
 
   Will update the LCD with the current date & time.
 
 
-4.2 get_icons
-~~~~~~~~~~~~~
-Reading will return all available icon names and its current settings:
+get_icons
+~~~~~~~~~
+
+Reading will return all available icon names and its current settings::
 
   cat ./get_icons
   on M
@@ -172,45 +188,51 @@ Reading will return all available icon names and its current settings:
      RINGTONE
 
 
-4.3 show/hide icons
-~~~~~~~~~~~~~~~~~~~
+show/hide icons
+~~~~~~~~~~~~~~~
+
 Writing to these files will update the state of the icon.
 Only one icon at a time can be updated.
 
 If an icon is also on a ./lineX the corresponding value is
 updated with the first letter of the icon.
 
-  Example - light up the store icon:
+  Example - light up the store icon::
+
     echo -n "STORE" > ./show_icon
 
     cat ./line1
     18.e8.M8.88...188
 		  S
 
-  Example - sound the ringtone for 10 seconds:
+  Example - sound the ringtone for 10 seconds::
+
     echo -n RINGTONE > /sys/..../show_icon
     sleep 10
     echo -n RINGTONE > /sys/..../hide_icon
 
 
-5. Sound features
-~~~~~~~~~~~~~~~~~
+Sound features
+==============
+
 Sound is supported by the ALSA driver: snd_usb_audio
 
 One 16-bit channel with sample and playback rates of 8000 Hz is the practical
 limit of the device.
 
-  Example - recording test:
+  Example - recording test::
+
     arecord -v -d 10 -r 8000 -f S16_LE -t wav  foobar.wav
 
-  Example - playback test:
+  Example - playback test::
+
     aplay foobar.wav
 
 
-6. Credits & Acknowledgments
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Credits & Acknowledgments
+=========================
+
   - Olivier Vandorpe, for starting the usbb2k-api project doing much of
     the reverse engineering.
   - Martin Diehl, for pointing out how to handle USB memory allocation.
   - Dmitry Torokhov, for the numerous code reviews and suggestions.
-