[Fuze+][Keymaps] keymaps for radio and recorder update

1) Now that recording is working a few keymaps update are required.
2) also implement the radio.c file so that fm dedicated keymaps
works.
3) implement some missing fm keymaps
4) manual updated accordingly

Change-Id: I40be3e245853ccb9ed7a5bc5a76fe4ed90772272
Reviewed-on: http://gerrit.rockbox.org/513
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/manual/main_menu/fmradio.tex b/manual/main_menu/fmradio.tex
index 1ba67de068..b8c76291db 100644
--- a/manual/main_menu/fmradio.tex
+++ b/manual/main_menu/fmradio.tex
@@ -49,6 +49,11 @@
           \opt{HAVEREMOTEKEYMAP}{& Long \ActionRCFMPrev, Long \ActionRCFMNext}
           & Seek to next station in \setting{SCAN} mode.\\
           %
+          \opt{SANSA_FUZEPLUS_PAD}{
+              \ActionFMPrevPreset, \ActionFMNextPreset
+              & Jump to next/previous preset station.\\
+          }
+          %
           \ActionFMSettingsInc, \ActionFMSettingsDec
           \opt{HAVEREMOTEKEYMAP}{
               &