HDMI Audio Hotplug detection Issue on IMX6

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HDMI Audio Hotplug detection Issue on IMX6

1,569 次查看
vm18553
Contributor II

Hi,

I've tried to test HDMI Audio hot plug detection on imx6 board. I'm using mainline-4.14 kernel version & DRM subsystem (drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c)

I've verified following two cases

case a:

  • boot target
  • connect cable
  • play back (No Sound)

case b:

  • boot target
  • play back
  • connect cable (No sound )

Both, case a & case b are failing only working case is case c,

case c:  

  • connect cable
  • boot target
  • play back (Can Hear sound)
  • disconnect cable
  • connect it back (Can hear sound)

Is this known issue? 

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joanxie
NXP TechSupport
NXP TechSupport
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