On Thu, 18 Jul 2019 09:27:32 +0300 Beniamin Bia <beniamin.bia@xxxxxxxxxx> wrote: > According to datasheet, ad7616 require at least 15ms after a restart > to fully reconfigure and being able to receive new commands via spi. > > Signed-off-by: Beniamin Bia <beniamin.bia@xxxxxxxxxx> > Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx> Applied. Thanks, J > --- > Changes in v2: > -nothing changed > > drivers/iio/adc/ad7606.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c > index 9eec3db01a17..a6034cf7238a 100644 > --- a/drivers/iio/adc/ad7606.c > +++ b/drivers/iio/adc/ad7606.c > @@ -594,6 +594,10 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address, > if (ret) > dev_warn(st->dev, "failed to RESET: no RESET GPIO specified\n"); > > + /* AD7616 requires al least 15ms to reconfigure after a reset */ > + if (msleep_interruptible(15)) > + return -ERESTARTSYS; > + > st->write_scale = ad7606_write_scale_hw; > st->write_os = ad7606_write_os_hw; >
