Commit 7021d97f authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Jonathan Cameron
Browse files

iio: adc: ad7173: 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: 031bdc8a ("iio: adc: ad7173: add calibration support")
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/8319fa2dc881c9899d60db4eba7fe8e984716617.1740655250.git.u.kleine-koenig@baylibre.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent aac287ec

drivers/iio/adc/ad7173.c

+5 −0
Original line number Diff line number Diff line
@@ -345,6 +345,9 @@ static ssize_t ad7173_write_syscalib(struct iio_dev *indio_dev, 
	if (ret)

		return ret;



	if (!iio_device_claim_direct(indio_dev))

		return -EBUSY;



	mode = st->channels[chan->channel].syscalib_mode;

	if (sys_calib) {

		if (mode == AD7173_SYSCALIB_ZERO_SCALE)
@@ -355,6 +358,8 @@ static ssize_t ad7173_write_syscalib(struct iio_dev *indio_dev, 
					      chan->address);

	}



	iio_device_release_direct(indio_dev);



	return ret ? : len;

}