Commit 08808b3e authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Jonathan Cameron
Browse files

iio: adc: ad7192: Grab direct mode for calibration 



While a calibration is running, better don't make the device do anything
else.

To enforce that, grab direct mode during calibration.

Fixes: 42776c14 ("staging: iio: adc: ad7192: Add system calibration support")
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/8aade802afca6a89641e24c1ae1d4b8d82cff58d.1740655250.git.u.kleine-koenig@baylibre.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 7021d97f

drivers/iio/adc/ad7192.c

+5 −0
Original line number Diff line number Diff line
@@ -257,6 +257,9 @@ static ssize_t ad7192_write_syscalib(struct iio_dev *indio_dev, 
	if (ret)

		return ret;



	if (!iio_device_claim_direct(indio_dev))

		return -EBUSY;



	temp = st->syscalib_mode[chan->channel];

	if (sys_calib) {

		if (temp == AD7192_SYSCALIB_ZERO_SCALE)
@@ -267,6 +270,8 @@ static ssize_t ad7192_write_syscalib(struct iio_dev *indio_dev, 
					      chan->address);

	}



	iio_device_release_direct(indio_dev);



	return ret ? ret : len;

}