mattmiller wrote: .... will install a working version ....

Thank you,
it works exactly as you say on my stretch installation on a 3B

Values run from 0 (dark) to 255 (full brightness). I'm no guru on this subject, but ........ My lab test shows maximum brightness around 200, whereas 255 is actually slightly dimmer than 200. This finding also corresponds with measured current consumption which is around 85mA higher at the 200 sett...

Have conducted a test on the actual current consumption of Pi with Touch Screen of the 7" official version connected to DSI and Touch connections via I2C. The installed OS is Raspbian Stretch Lite (4.14.56-v7+) and for this test the display shows a white background with "Hello World" ...