On Tue, Apr 04, 2023 at 10:17:45AM +0200, Krzysztof Kozlowski wrote: > On 04/04/2023 08:44, Peng Fan wrote: > > > >> > >>> + > >>> + beeper-hz: > >>> + description: bell frequency in Hz > >>> + minimum: 1 > >>> + maximum: 4 > >> > >> default is 1000, so how constraints can be lower than default? Also - missing > >> default. > > [Peng Fan] > > I am not sure what maximum value should be set. Previously I set 256, Rob > > questioned it. > > Yep, because 256 is power of 2, so really does not look correct. It is > still lower than default, right? It's Hertz and an audible (to humans) range! At most that's 60 - 10000Hz. I imagine any beeper h/w is capable of much narrower range than that, but don't know what's typical. Rob
