diff options
Diffstat (limited to 'drivers/iio/imu/adis_trigger.c')
| -rw-r--r-- | drivers/iio/imu/adis_trigger.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c index 0f29e56200af..fa5540fabacc 100644 --- a/drivers/iio/imu/adis_trigger.c +++ b/drivers/iio/imu/adis_trigger.c @@ -29,18 +29,19 @@ static const struct iio_trigger_ops adis_trigger_ops = { static int adis_validate_irq_flag(struct adis *adis) { + unsigned long direction = adis->irq_flag & IRQF_TRIGGER_MASK; /* * Typically this devices have data ready either on the rising edge or * on the falling edge of the data ready pin. This checks enforces that * one of those is set in the drivers... It defaults to - * IRQF_TRIGGER_RISING for backward compatibility wiht devices that + * IRQF_TRIGGER_RISING for backward compatibility with devices that * don't support changing the pin polarity. */ - if (!adis->irq_flag) { - adis->irq_flag = IRQF_TRIGGER_RISING; + if (direction == IRQF_TRIGGER_NONE) { + adis->irq_flag |= IRQF_TRIGGER_RISING; return 0; - } else if (adis->irq_flag != IRQF_TRIGGER_RISING && - adis->irq_flag != IRQF_TRIGGER_FALLING) { + } else if (direction != IRQF_TRIGGER_RISING && + direction != IRQF_TRIGGER_FALLING) { dev_err(&adis->spi->dev, "Invalid IRQ mask: %08lx\n", adis->irq_flag); return -EINVAL; |