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imx6 sabresdq hdmi can not read edid data with i2c

Question asked by echo zeng on Jun 29, 2016
Latest reply on Jun 29, 2016 by echo zeng

Dear All,

imx6 sabresdq:

        android 4.2.2 kernel:3.0.35



as plugin hdmi cable, show 'unable to read EDID block' always, zero array edid data get from "cat edid", no i2c signal output from DDC_SCL and DDC_SDA.

Where is problem?

must  use HDMI_TX_DDC_SCL and HDMI_TX_DDC_SDA and can not use  I2C2_SCL and I2C2_SDA to get edid?