[riot-notifications] [RIOT-OS/RIOT] drivers/periph: add doc on power management aspects (#6563)

MrKevinWeiss notifications at github.com
Tue Sep 10 10:09:00 CEST 2019

MrKevinWeiss commented on this pull request.

I reread it.  It seems like this is a nice clarification and since most cases are **should** it simply gives a hint at the ideal way to design things.  So if a piece of hardware cannot support it then I think that is fine.

Please fix the one spelling mistake and squash!

> @@ -27,6 +27,18 @@
  * so that any particular bit-width configuration on this driver level would not
  * have much effect...
+ * # (Low-) Power Implications
+ *
+ * The configured DAC peripherals are active (and consume power) from the point
+ * of initialization. When calling dac_poweroff(), the implementation **should**
+ * disable the given DAC line and put the DAC peripheral to sleep (e.g. through
+ * peripheral clock gaiting). When woken up again through dac_poweron(), the


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