iio: adc: ad7791: fix IRQ flags

The interrupt is triggered on the falling edge rather than being a level
low interrupt.

Fixes: da4d3d6bb9f6 ("iio: adc: ad-sigma-delta: Allow custom IRQ flags")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230120124645.819910-1-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index fee8d129a5f0806530a98b8ab9e6681006337797..86effe8501b440fefe53636ab50dfa751200215f 100644 (file)
--- a/drivers/iio/adc/ad7791.c
+++ b/drivers/iio/adc/ad7791.c
@@ -253,7 +253,7 @@ static const struct ad_sigma_delta_info ad7791_sigma_delta_info = {
        .has_registers = true,
        .addr_shift = 4,
        .read_mask = BIT(3),
-       .irq_flags = IRQF_TRIGGER_LOW,
+       .irq_flags = IRQF_TRIGGER_FALLING,
 };
 
 static int ad7791_read_raw(struct iio_dev *indio_dev,