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iio: adc: ad7173: Grab direct mode for calibration

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

To enforce that, grab direct mode during calibration.

Fixes: 031bdc8aee ("iio: adc: ad7173: add calibration support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/8319fa2dc881c9899d60db4eba7fe8e984716617.1740655250.git.u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Uwe Kleine-König 2025-02-27 12:35:27 +01:00 committed by Jonathan Cameron
parent aac287ec80
commit 7021d97fb8
1 changed files with 5 additions and 0 deletions
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5
drivers/iio/adc/ad7173.c
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@ -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;
}