On Tue, Apr 12, 2016 at 09:29:49AM +0200, Linus Walleij wrote: > The WM8994 GPIOs clearly have a dedicated open drain control > register. Implement support for controlling this from GPIO > descriptor tables or other hardware descriptions such as > device tree by implementing the .set_single_ended() callback. > > Before this patch, lines requesting open drain will just be > switched to input mode by the framework, thus emulating open > drain. But the hardware can do the real thing, so let's > support that. > > As part of this, rename the debugfs string for output mode > from "CMOS" to "push-pull" because it is the term used in > the framework to signify a tomem-pole CMOS output. > > Cc: patches@xxxxxxxxxxxxxxxxxxxxxxxxxxx > Cc: Mark Brown <broonie@xxxxxxxxxx> > Cc: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> > --- Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx> Thanks, Charles -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html