On Tue, Nov 30, 2010 at 11:45:23AM +0100, Alberto Panizzo wrote: > On lun, 2010-11-29 at 15:51 +0000, Mark Brown wrote: > > Unless you're actively varying the voltages at runtime (as Guennadi > > mentioned) I'd really expect the voltages to be handled by the regulator > > constraints. > This is sane thinking at a static board configuration. What if a single > board have different deploying schemas where two different cameras can > be placed on the same connector and these cameras have different voltage > levels for core supply? This scenario will require two different > constraints chosen at compile time -> two different kernel binaries. > Otherwise constraints will always pick the minimum level and maybe this > will not be enough. The way I'd expect to see that handled is that the constraints would be chosen when the module is detected, possibly by having a platform device representing the assembly as a whole. There was someone working with plugin modules doing something along those lines. I certainly wouldn't expect the device itself to worry about this unless it was actively doing something to manage the voltage. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
