Adding missing descriptions for modules.

wlauto/modules/active_cooling.py

@@ -21,6 +21,7 @@ from wlauto.utils.serial_port import open_serial_connection
 class MbedFanActiveCooling(Module):
 
     name = 'mbed-fan'
+    description = 'Controls a cooling fan via an mbed connected to a serial port.'
 
     capabilities = ['active_cooling']
 
@@ -52,6 +53,14 @@ class MbedFanActiveCooling(Module):
 class OdroidXU3ctiveCooling(Module):
 
     name = 'odroidxu3-fan'
+    description = """
+    Enabled active cooling by controling the fan an Odroid XU3
+
+    .. note:: depending on the kernel used, it may not be possible to turn the fan
+              off completely; in such situations, the fan will be set to its minimum
+              speed.
+
+    """
 
     capabilities = ['active_cooling']
 

wlauto/modules/flashing.py

@@ -59,6 +59,7 @@ class FastbootFlasher(Flasher):
     name = 'fastboot'
     description = """
     Enables automated flashing of images using the fastboot utility.
+
     To use this flasher, a set of image files to be flused are required.
     In addition a mapping between partitions and image file is required. There are two ways
     to specify those requirements:
@@ -138,6 +139,20 @@ class FastbootFlasher(Flasher):
 class VersatileExpressFlasher(Flasher):
 
     name = 'vexpress'
+    description = """
+    Enables flashing of kernels and firmware to ARM Versatile Express devices.
+
+    This modules enables flashing of image bundles or individual images to ARM
+    Versatile Express-based devices (e.g. JUNO) via host-mounted MicroSD on the
+    board.
+
+    The bundle, if specified, must reflect the directory structure of the MicroSD
+    and will be extracted directly into the location it is mounted on the host. The
+    images, if  specified, must be a dict mapping the absolute path of the image on
+    the host to the destination path within the board's MicroSD; the destination path
+    may be either absolute, or relative to the MicroSD mount location.
+
+    """
 
     def flash(self, image_bundle=None, images=None):
         device = self.owner

wlauto/modules/reset.py

@@ -24,6 +24,9 @@ class NetioSwitchReset(Module):
 
     #pylint: disable=E1101
     name = 'netio_switch'
+    description = """
+    Enables hard reset of devices connected to a Netio ethernet power switch
+    """
     capabilities = ['reset_power']
 
     parameters = [