On Wednesday 13 January 2016 20:10:30 Pavel Machek wrote:
> On Wed 2016-01-13 20:07:36, Pavel Machek wrote:
> > On Wed 2016-01-13 09:54:55, Pali Rohár wrote:
> > > On Tuesday 12 January 2016 22:58:04 Pavel Machek wrote:
> > > > Hi!
> > > >
>
> > > > Next question is.. apparently there are some keyboards that have
> > > > per-key RGB backlight... but maybe we can just call that "weird
> > > > enough" and ignore...
> > >
> > > First we need to defines stable kernel ABI for keyboard backlight. And I
> > > suggest to use existing convention used by upower/console-kit and other
> > > userspace apps...
> >
> > Hmm... I'm not sure that can be done. What were the masks used by
> > upower again? Will upower write to all 6 leds if we present them?
>
> Got it...
>
> It has function up_kbd_backlight_find() which do:
>
> /* find a led device that is a keyboard device */
> while ((filename = g_dir_read_name (dir)) != NULL) {
> if (g_strstr_len (filename, -1, "kbd_backlight") != NULL) {
> dir_path = g_build_filename ("/sys/class/leds",
> filename,
> NULL);
> break;
>
> That suggests that it stops at the first matching device. Adding new
> "virtual" led controlling 6 physical leds would be ugly. So... new
> interface should be done.
>
> Pavel
Yes, it would be ugly, but lp5523 is already ugly... it can accept
numeric value, trigger and also program in bytecode either via sysfs or
via request_firmware... Another virtual led control should not be
problem for this :-)
--
Pali Rohár
pali.rohar@xxxxxxxxx
------------------------------------------------------------------------------
Site24x7 APM Insight: Get Deep Visibility into Application Performance
APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
Monitor end-to-end web transactions and take corrective actions now
Troubleshoot faster and improve end-user experience. Signup Now!
http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140
_______________________________________________
ibm-acpi-devel mailing list
ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel
