Touch behaves strange on [12111000] Capacitive Touch Display 7" Parallel V1.0A using Linux

Small number of early devices were shipped with improper configuration.
We’ve created a archive with the proper configuration and a flashing utility that can be downloaded here

Unpack the archive on the module and run this command:

./mxt-app -d i2c-dev:N-004a --load LTCTP070-3-GG_mXT1066T2_tdx_20170911.xcfg

Where N depends on the modules type:

  • Colibri IMX7: N = 3
  • Colibri IMX6: N = 2
  • Colibri IMX6ULL N = 0
  • Colibri T30: N = 1
  • Colibri T20: N = 0
  • Colibri VF: N = 0
  • Apalis IMX6 N = 1
  • Apalis T30: N = 0

after power cycling the board touch should work without issues and new config should be persistent across power-cycles and module changes.