iio: imu/mpu6050: support dual-edge IRQ
Make mpu6050 usable on platforms which provide only any-edge interrupts. One example of this kind of platform is AT91SAM9G45 Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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@ -1220,7 +1220,7 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
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irq_type = irqd_get_trigger_type(desc);
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if (!irq_type)
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irq_type = IRQF_TRIGGER_RISING;
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if (irq_type == IRQF_TRIGGER_RISING)
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if (irq_type & IRQF_TRIGGER_RISING) // rising or both-edge
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st->irq_mask = INV_MPU6050_ACTIVE_HIGH;
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else if (irq_type == IRQF_TRIGGER_FALLING)
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st->irq_mask = INV_MPU6050_ACTIVE_LOW;
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@ -185,11 +185,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
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"failed to ack interrupt\n");
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goto flush_fifo;
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}
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if (!(int_status & INV_MPU6050_BIT_RAW_DATA_RDY_INT)) {
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dev_warn(regmap_get_device(st->map),
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"spurious interrupt with status 0x%x\n", int_status);
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if (!(int_status & INV_MPU6050_BIT_RAW_DATA_RDY_INT))
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goto end_session;
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}
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if (!(st->chip_config.accl_fifo_enable |
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st->chip_config.gyro_fifo_enable |
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