On Tue, Aug 20, 2019 at 2:17 AM Denis Efremov <efremov@xxxxxxxxx> wrote: > > Hi, > > On 8/19/19 7:06 PM, Denis Efremov wrote: > On 8/12/19 11:25 AM, sathyanarayanan kuppuswamy wrote: > > Do we need to switch case here ? if (pwr > 0) {} should work right ? > > I saved the switch here from v2. I think switch makes the inputs check more > precise and filters-out all non-valid values. Maybe this check is too strict? Sounds like you're overthinking it tbh. If want to catch programming errors then a WARN_ON_ONCE() in the default case would be better than silently ignoring invalid values, but it's pretty hard to care. > We could use mask here ON|OFF|BLINK for the check, but I don't know how hardware > will handle a case, for example, pwr == ON|BLINK. ON|BLINK is the same as OFF