Commit 84961af7 authored by Michał Mirosław's avatar Michał Mirosław Committed by Jonathan Cameron
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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: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: default avatarJean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 2e4c0a5e

drivers/iio/imu/inv_mpu6050/inv_mpu_core.c

+1 −1
Original line number Diff line number Diff line
@@ -1220,7 +1220,7 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name, 
	irq_type = irqd_get_trigger_type(desc);

	if (!irq_type)

		irq_type = IRQF_TRIGGER_RISING;

	if (irq_type == IRQF_TRIGGER_RISING)

	if (irq_type & IRQF_TRIGGER_RISING)	// rising or both-edge

		st->irq_mask = INV_MPU6050_ACTIVE_HIGH;

	else if (irq_type == IRQF_TRIGGER_FALLING)

		st->irq_mask = INV_MPU6050_ACTIVE_LOW;

drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c

+1 −4
Original line number Diff line number Diff line
@@ -185,11 +185,8 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p) 
			"failed to ack interrupt\n");

		goto flush_fifo;

	}

	if (!(int_status & INV_MPU6050_BIT_RAW_DATA_RDY_INT)) {

		dev_warn(regmap_get_device(st->map),

			"spurious interrupt with status 0x%x\n", int_status);

	if (!(int_status & INV_MPU6050_BIT_RAW_DATA_RDY_INT))

		goto end_session;

	}



	if (!(st->chip_config.accl_fifo_enable |

		st->chip_config.gyro_fifo_enable |