CM11 HDMI black screen

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frannq

Member
Aug 18, 2012
35
3
hello everybody! i 've got this problem on my rzr hd with cm11. when i plug the hdmi on tv my phone turns to landscape and the tv got signal but with black screen, on stock firmware works fine. this happening someone? any solution?
tanks for yours answers.
sorry for my english
 
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iBolski

Senior Member
The HDMI code is proprietary code owned by Motorola. They have not released the source for it, so CM11 HDMI will not work. Any ROM that is AOSP-based will not work as they are compiled straight from the AOSP source which does not have the HDMI code. Again, the HDMI code is owned by Motorola and they have not and will not release the source since it's not open-source code.
 
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kernelmoron

Senior Member
Jun 18, 2013
72
29
Bs As
I have an XT925 on cm11 (M5) and HDMI is working without any issues.

Have you actually tried HDMI recently on stock firmware? Perhaps is the actual port that got screwed (been there).
 

pbosio

Senior Member
Mar 29, 2013
116
102
Buenos Aires
I have an XT925 on cm11 (M5) and HDMI is working without any issues.

Have you actually tried HDMI recently on stock firmware? Perhaps is the actual port that got screwed (been there).

I remember testing the HDMI when I first flash CM11 and it was working, but now it doesn't work anymore... maybe it's an issue triggered in some point between M5 and M6 (I'm currently running M6)
 

Not_A_Dev

Senior Member
Sep 5, 2012
169
54
Chitown
I have an xt926 that runs on the Liquidsmooth ROM (AOSP-based, KitKat version) and have no problems with HDMI. It worked on the Jelly Bean version of Liquidsmooth as well.
 

frannq

Member
Aug 18, 2012
35
3
I remember testing the HDMI when I first flash CM11 and it was working, but now it doesn't work anymore... maybe it's an issue triggered in some point between M5 and M6 (I'm currently running M6)

I don't remember if It ever worked on cm base, but I'll try if it works on cm10.2
 

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    The HDMI code is proprietary code owned by Motorola. They have not released the source for it, so CM11 HDMI will not work. Any ROM that is AOSP-based will not work as they are compiled straight from the AOSP source which does not have the HDMI code. Again, the HDMI code is owned by Motorola and they have not and will not release the source since it's not open-source code.