On Sat, Jun 22, 2013 at 01:26:20PM +0200, Pavel Machek wrote: > On Tue 2013-06-18 18:24:23, Gaël PORTAY wrote: > > Currently, none of available triggers supports playing with the LED brightness > > level. The cycle trigger provides a way to define custom brightness cycle. > > For example, it is easy to customize the cycle to mock up the rhythm of human > > breathing which is a nice cycle to tell the user the system is doing something. > > > > This trigger is meant to be usable for waiting an event to happen, for example > > when the system gets ready. Those cycles may be used to reflect well known > > system status (e.g. idle mode, startup...). > > > > This implementation provides several interfaces: > > - to define the cycle itself: > > * plot: definition of plot points using plot or rawplot files, > > each points defines the brightness level > > * interval: constant time interval between each plot point > > - to control the cycle: > > * repeat: the number of repetition of the whole plot cycle > > 0 for an infinite loop > > * control: used to control the cycle trigger > > + "start"/"stop": to start/stop the cycle > > + "reset" to clear the cycle counter and the internal plot point index > > + "pause"/"resume" to pause/resume the cycle > > > > Signed-off-by: Gaël PORTAY <g.portay@xxxxxxxxxxx> > > I'd say this should go to userspace.... and maybe should handle RGB > leds. ... like the one on n900/HTC dream/.... > > Actually, there's probably some daemon in maemo that already does > this. Actually the n900 has hardware support for this. There's a programmable LED driver on the board, which is called LP5523. So... I don't think there's a daemon in maemo ;) -- Sebastian
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