[PATCH 5.15 73/93] iio: adc: ad7791: fix IRQ flags

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From: Nuno Sá <nuno.sa@xxxxxxxxxx>

[ Upstream commit 0c6ef985a1fd8a74dcb5cad941ddcadd55cb8697 ]

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230120124645.819910-1-nuno.sa@xxxxxxxxxx
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/iio/adc/ad7791.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c
index cb579aa89f39c..f7d7bc1e44455 100644
--- 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,
-- 
2.39.2






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