And what means "upstream" for you ?

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https://bugs.launchpad.net/bugs/1997102

Title:
  illuminator control in driver sonixj

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  https://packages.ubuntu.com/bionic/kernel/linux-modules-4.15.0-196-generic
  file kernel/drivers/media/usb/gspca/gspca_sonixj.ko

  in this driver, the illuminator est considered driven by the sensor chip.
  i buyed recently an hercules (guillemot) webcam with illuminator .. 06f8:3008 
the illuminator dont work.
  found the sonixj.c driver source ... webcam are considered as a coupling of 
two main chips
  -a sensor chip with an array of photodiodes which creates the image
  -a controller wich processes the image and sent the the image on the usb line

  found the tech_ref of the sensor chip = NO pin to drive any led.
  so, the led is driven by the controller (logic, no !)

  made some modification on the sonixj.c source, build it, it works for
  my webcam on an very old asus L5D (athlon 64 processor - first
  generation)

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