===== Using Power Modes =====

==== Supported power modes ==== 

Supported modes are listed in''/sys/power/state'' 

==== Wakeup sources ====

++++ TQMa6ULx| 
=== Console UART ===
The wakeup capability for the Console UART must be enabled first, to do so please apply the following 
<code>
echo enabled > /sys/class/tty/ttymxc0/power/wakeup
</code>
To wakeup the device again from the power mode, send a caracter over the console UART. 
++++

++++ TQMa6x|
<code>
echo enabled > /sys/class/tty/ttymxc1/power/wakeup
</code>
++++

++++ TQMa7x|
<code>
echo enabled > /sys/class/tty/ttymxc5/power/wakeup
</code>
++++

=== Using power modes ===

to activate one of the supported power modes the mode has to be written into the ''/sys/power/state'' file

<code>echo <power mode> > /sys/power/state</code>

++++ e.g. for mode mem|
<code>echo mem > /sys/power/state</code>
++++