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MIPI DSI to HDMI Audio on i.mx8qxpmek over SPDIF

Question asked by Rutvij Trivedi on Oct 15, 2018
Latest reply on Oct 21, 2018 by Rutvij Trivedi

Hi Folks,


I'm using i.mx8qxpmek  and 4.9.51 Distro, I've connected MIPI DSI to HDMI converter having adv7535.
Now my query is its does not seem to have any audio connection provision on i.mx8qxpmek , so i pulled out SPDIF_TX from processor to ADV7535 (MIPI DSI to HDMI Conv.)'s  SPDIF/I2S pin.
SCLK/MCLK and LRCLK are connected with GND at ADV7535 side as from ADV7535 data sheet it says master clock can be ignored.

 

I've used fsl-imx8mq-evk-dual-display.dts to start HDMI and it works fine with video but how can i get audio working with the above mentioned hardware connection.
I've also gone through AN12188  Rev. 0 , but did not get any clue related to audio.

 

Requested to en-light me on this.

 

Thanks & Regards,
Rutvij

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