modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/iio/adc/ad7791.c
..
..
@@ -253,7 +253,7 @@
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 	.has_registers = true,
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 	.addr_shift = 4,
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 	.read_mask = BIT(3),
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-	.irq_flags = IRQF_TRIGGER_LOW,
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+	.irq_flags = IRQF_TRIGGER_FALLING,
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 };
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 static int ad7791_read_raw(struct iio_dev *indio_dev,