Commit c5d93137 authored Jul 18, 2019 by Beniamin Bia Committed by Jonathan Cameron Jul 28, 2019

iio: adc: ad7606: Allow reconfigration after reset

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@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

parent a0c648c0

drivers/iio/adc/ad7606.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;