MHL HDMI Screen Resolution

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By psx01, Junior Member on 7th June 2014, 08:44 PM
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I want to change the screen resolution of the MHL output because it's not correctly detected maybe because my old monitor or the hdmi to dvi adapter. I wonder there is no native menu to configure the resolution and audio output device or an alternative app... My device is rooted.

So the screen settings are here:


There is a thread for the evo but on my One there is no hdmid service and no video_mode.

Available is a file named modes which probably contains all available modes and a file named mode which maybe should contain the current output mode.

modes contains in my case U:640x480p-0 and U:640x480p-94
mode contains nothing if I echo an value into its also empty after that.

The monitor supports a maximum of 1280x720.

Is there someone with deeper android development knowledge who can help in that case?


Edit: Maybe I get 640x480px because of HDCP protection problems - is there any solution to get the HDCP back to work on a rooted phone or disable it? In the developer menu there is no setting for that
Last edited by psx01; 12th June 2014 at 12:40 PM.
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hdmi, mhl, resolution

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