On Thu, Feb 23, 2017 at 05:06:53PM +0000, Harald Geyer wrote: > If a supply is provided via DT, release the supply whenever we don't read > the sensor. Also use notifications to track the actual status of the > supply to ensure that we meet the timing requirements stated in the > datasheet. > > This change is motivated by the hope that these sensors will work more > reliably if power-cycled regularly. > > Signed-off-by: Harald Geyer <harald@xxxxxxxxx> > --- > This is an RFC this time, because I want to run extensive long term tests > with DHT11 and DHT22 before officially proposing this for inclusion. I > have learned my lessons with this quirky bits of HW... :( > > However since this will take a lot of time (mostly physical, but also > man hours), I'd like to get review comments now instead of risking a > second iteration of long term tests. > > .../devicetree/bindings/iio/humidity/dht11.txt | 10 ++++ Acked-by: Rob Herring <robh@xxxxxxxxxx> > drivers/iio/humidity/dht11.c | 57 ++++++++++++++++++++-- > 2 files changed, 64 insertions(+), 3 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
