WM9715 freezes touch and audio, But the ADC channels are working fine. Is the module switching to suspend mode

In my device after certain period touch and audio disabled.
Details : WInCE 6.0 Hardware :Tegra Colibri T20

@Gopal: This seems to be a duplicated question. Is this question related to this one: https://www.toradex.com/community/questions/1794/colibri-t20-touch-screen-freezes-after-10-hours-us.html ?