Re: [Sugar-devel] Grayscale screen implementation query

2019-06-04 Thread Sumit Srivastava
Thanks, Alex! On Wed, 5 Jun 2019, 12:44 am Alex Perez, wrote: > Sumit, > > Sumit Srivastava wrote on 6/3/19 12:18 PM: > > Hi, all! > > Here's a query that has been directed at me on the internet, however I > don't have any idea about the grayscale implementation of the screen in > XO-1. How

Re: [Sugar-devel] Grayscale screen implementation query

2019-06-04 Thread James Cameron
Thanks for asking. A kernel configuration file is used to select colour or grayscale mode in the driver, and thus the display controller ASIC. This is in the kernel sources. The keyboard shim detects brightness control keys and manages the backlight power. When the backlight is turned off, the

Re: [Sugar-devel] Grayscale screen implementation query

2019-06-04 Thread Walter Bender
http://wiki.laptop.org/go/Display is a good intro to the OLPC display. On Mon, Jun 3, 2019 at 3:18 PM Sumit Srivastava wrote: > Hi, all! > > Here's a query that has been directed at me on the internet, however I > don't have any idea about the grayscale implementation of the screen in > XO-1.

[Sugar-devel] Grayscale screen implementation query

2019-06-03 Thread Sumit Srivastava
Hi, all! Here's a query that has been directed at me on the internet, however I don't have any idea about the grayscale implementation of the screen in XO-1. How does it switch from colour to grayscale and on what basis is it decided? >The original query: {"generic Josh number 96" asks "Do you