usb-hub/gnss-init: handle potential enabling within bootloader

The bootloader might already release the usb-hub, the v2x module and
the gnss modem from reset. Thus the usb-hub and the gnss modem are put
into reset first so that a proper enumeration would be possible.

BugzID: 72787

Signed-off-by: Marc Mattmueller <marc.mattmueller@netmodule.com>

recipes-bsp/usb-hub-reset/files/usb-hub-reset

@@ -83,4 +83,7 @@ if [[ "$?" != "0" ]]; then
     exit 1
 fi
 
+# add a sleep to settle a potential off and on switching
+sleep 0.5
+
 exit 0

recipes-bsp/usb-hub-reset/files/usb-hub-reset.service

@@ -5,9 +5,10 @@ Before=gpsd.service
 [Service]
 Type=oneshot
 
-ExecStartPre=/usr/bin/usb-hub-reset on
-ExecStart=/usr/bin/echo releasing usb hub from reset
-ExecStop=/usr/bin/echo set usb hub into reset state
+ExecStartPre=/usr/bin/usb-hub-reset off
+ExecStart=/usr/bin/echo releasing usb hub from reset...
+ExecStartPost=/usr/bin/usb-hub-reset on
+ExecStop=/usr/bin/echo set usb hub into reset state...
 ExecStopPost=/usr/bin/usb-hub-reset off
 
 RemainAfterExit=yes

recipes-connectivity/gnss-init/files/gnss-init.service

@@ -5,9 +5,10 @@ After=usb-hub-reset.service v2x-ieee802.11p.service
 [Service]
 Type=oneshot
 
-ExecStartPre=/bin/sh -c "echo 0 > /sys/class/leds/gnss_rst/brightness"
-ExecStart=/usr/bin/echo start
-ExecStop=/usr/bin/echo stop 
+ExecStartPre=/bin/sh -c "echo 255 > /sys/class/leds/gnss_rst/brightness && sleep 1"
+ExecStart=/usr/bin/echo releasing gnss modem from reset...
+ExecStartPost=/bin/sh -c "echo 0 > /sys/class/leds/gnss_rst/brightness"
+ExecStop=/usr/bin/echo setting gnss modem into reset...
 ExecStopPost=/bin/sh -c "echo 255 > /sys/class/leds/gnss_rst/brightness"
 
 RemainAfterExit=yes