On Tue, Mar 13, 2018 at 01:39:44PM +0000, Chris Obbard wrote: > >> +- loopback: if this property is present then the dai is configured in > >> + loopback mode where the output fifo is redirected to the > >> input > >> + fifo. > > > > This really doesn't seem like something that ought to go into the DT > > and hence ABI given that there's obviously no reason to use this in > > production. Just make it be a #define in the code or something. > > It would be nice to have this as an optional devicetree property so > when testing JACK latency etc I don't have to manually re-compile a > kernel...
Another one might also argue that having to recompile the DT and reflash the whole firmware or EEPROM is overkill for just testing JACK latency. Can't we create a module parameter for it? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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