| Message ID | 8319fa2dc881c9899d60db4eba7fe8e984716617.1740655250.git.u.kleine-koenig@baylibre.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | iio: adc: ad71{73,92}: Grab direct mode for calibration | expand |
diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c index 962033393943..110539a2b112 100644 --- a/drivers/iio/adc/ad7173.c +++ b/drivers/iio/adc/ad7173.c @@ -349,6 +349,9 @@ 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) @@ -359,6 +362,8 @@ static ssize_t ad7173_write_syscalib(struct iio_dev *indio_dev, chan->address); } + iio_device_release_direct(indio_dev); + return ret ? : len; }
While a calibration is running, better don't make the device do anything else. To enforce that, grab direct mode during calibration. Fixes: 031bdc8aee01 ("iio: adc: ad7173: add calibration support") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com> --- drivers/iio/adc/ad7173.c | 5 +++++ 1 file changed, 5 insertions(+)