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iio: mma8452: Fix ignoring MMA8452_INT_DRDY
Interrupts are ignored if no event bit is set in the status status
register and this breaks the buffer interface. No data is shown when
running "iio_generic_buffer -n mma8451 -a" and interrupt counts go
crazy.
Fix by not returning IRQ_NONE if DRDY is set.
Fixes: 605f72de13
("iio: accel: mma8452: improvements to handle
multiple events")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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@ -1053,7 +1053,7 @@ static irqreturn_t mma8452_interrupt(int irq, void *p)
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if (src < 0)
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return IRQ_NONE;
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if (!(src & data->chip_info->enabled_events))
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if (!(src & (data->chip_info->enabled_events | MMA8452_INT_DRDY)))
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return IRQ_NONE;
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if (src & MMA8452_INT_DRDY) {
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