Hi, Folks!
I'am looking for an opportunity to access the I2C-Interface which is attached to my displayport link.
Can anyone give me a hint aubout an minimal working example for this?
I tried to figure aut how this could be solved using the linux userspace, but for me it looks like i have to implement my own driver
according to https://www.kernel.org/doc/htmldocs/drm/ch02s05.html#idp10812112 this should be done by describing an
drm_dp_aux_msg structure, which is passed into a driver's .
transfer implementation.Furthermore i was looking into some packages (the working machine runs an ArchLinux-Distro) which where provided.
$ extra/libdrm 2.4.60-2 :Userspace interface to kernel DRM services
$ extra/libva-intel-driver 1.5.1-1 : VA-API implementation for Intel G45 and HD Graphics family (the working machine has an Intel HD4000 GPU)
But none of them does provide such helper functions.
Thank you for your time, with kind Regards,
Marc
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