Hello, Mr Gao:
There was one known hardware issue which may impact touch screen interrupt.
Some information are FYI:
Applies to CPU Cards: MCIMX6QAICPU1 and MCIMX6DLAICPU1
Defect Description
The processor never receives the LVDS touch panel interrupt. A buffer has its power pin unconnected.
Resolution
Connect interrupt buffer U1514 pin 5 to power rail P3V3_DELAYED.
Hello, Mr Gao:
There was one known hardware issue which may impact touch screen interrupt.
Some information are FYI:
Applies to CPU Cards: MCIMX6QAICPU1 and MCIMX6DLAICPU1
Defect Description
The processor never receives the LVDS touch panel interrupt. A buffer has its power pin unconnected.
Resolution
Connect interrupt buffer U1514 pin 5 to power rail P3V3_DELAYED.
Thank you very much.
I had close this issue follow your resolution.
And I think it's better to update this to freescale's documents.
Many of my customers haven't know about this.
Thank you.