Bootcamp Windows 7 HDMI audio problem

Hello,
I have problem sound over HDMI with my MBP late 2013 13'' model A1502 on Windows 7 with Bootcamp.
I've installed Windows following Bootcamp wizard from mac and creating bootable WIN7 usb with all support drivers on it. After this I've noticed that there is no sound on my tv when i connect it to my MBP. I've searched a bit more about this problem and I found that the latest graphics drivers might solve this problem so I've updated Intel® Iris™ Graphics 5100 directly from Intel's official web page and after the restart voila I have sound to my TV.
After some time I was configuring my resolutions and I unplugged the HDMI cable and then I put it back again and the sound stopped. At first I was thinking that it is something with the default audio device settings and when I went into the control panel audio settings I've noticed that the HDMI audio device is missing.
I've thinkered a bit and found out that when I unplug the hdmi cable in device manager's "Sound, video and game controllers" the Intel(R) Display Audio is removed from the list but when i put back the HDMI cable it dosent appear in that list. Instead of that in section System devices the High Definition Audio Controller have warning sign and have the following error message: This device cannot start. (Code 10).
You can check it on this image below:
However, when I reboot the MBP with the HDMI from my TV pluged into it it is all OK. So my guess is that it may be some driver service problem or some compatibillity problem with Cirrus Logic CS4208 (AB 93) audio controller. Currently it is working like this but It's very annoying to reboot each time when I wan't to connect it to my TV...
Any suggestions how to fix this problem are welcomed.
Thanks

reformat and zero your partition or chkdsk
make sure Windows has 15GB or more free space to work with
I have Macs and PCs all runnng 7 and even 8.
Maybe your iMac hard drive or even if SSD is where the fault lies.
boot from Widows DVD and check your system

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Thanks for posting on the HP Forums!
I will definitely assist you with lack of sound issues. Before anything else is done, please make sure you try every step in this thread: Troubleshooting Guide: Audio does not Work after a Certain Period of Time
If every step does not help, please provide the following information:
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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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