Messages in this thread | | | Subject | Re: [PATCH v2 2/2] leds: Add control of the voltage/current regulator to the LED core | From | Jean-Jacques Hiblot <> | Date | Wed, 17 Jul 2019 15:47:16 +0200 |
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On 16/07/2019 12:50, Daniel Thompson wrote: > On Mon, Jul 15, 2019 at 05:56:57PM +0200, Jean-Jacques Hiblot wrote: >> A LED is usually powered by a voltage/current regulator. Let the LED core > This is almost certainly nitpicking but since there's enough other > review comments that you will have to respin anyway ;-) No problems. comments are welcome. > Is an LED really "usually powered by a voltage/current regulator"? Some > LEDs have a software controlled power supply but I'm not sure it is > the usual case. True. I'll reword this. > Likewise its a little confusing to be talking about LEDs with an > external current regulator since, although that is possible, it is also > one the main features provided by LED driver chips.
In my experience LED drivers are quite often current sinks. In that case the power is provided externally, and sometimes by a managed regulator.
Thanks,
JJ
> > Daniel.
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