diff options
Diffstat (limited to 'drivers/staging/iio/addac/adt7316.c')
| -rw-r--r-- | drivers/staging/iio/addac/adt7316.c | 52 |
1 files changed, 38 insertions, 14 deletions
diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index c3a472f76ad0..9db49aa186bb 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -1796,6 +1796,43 @@ static irqreturn_t adt7316_event_handler(int irq, void *private) return IRQ_HANDLED; } +static int adt7316_setup_irq(struct iio_dev *indio_dev) +{ + struct adt7316_chip_info *chip = iio_priv(indio_dev); + int irq_type, ret; + + irq_type = irqd_get_trigger_type(irq_get_irq_data(chip->bus.irq)); + + switch (irq_type) { + case IRQF_TRIGGER_HIGH: + case IRQF_TRIGGER_RISING: + break; + case IRQF_TRIGGER_LOW: + case IRQF_TRIGGER_FALLING: + break; + default: + dev_info(&indio_dev->dev, "mode %d unsupported, using IRQF_TRIGGER_LOW\n", + irq_type); + irq_type = IRQF_TRIGGER_LOW; + break; + } + + ret = devm_request_threaded_irq(&indio_dev->dev, chip->bus.irq, + NULL, adt7316_event_handler, + irq_type | IRQF_ONESHOT, + indio_dev->name, indio_dev); + if (ret) { + dev_err(&indio_dev->dev, "failed to request irq %d\n", + chip->bus.irq); + return ret; + } + + if (irq_type & IRQF_TRIGGER_HIGH) + chip->config1 |= ADT7316_INT_POLARITY; + + return 0; +} + /* * Show mask of enabled interrupts in Hex. */ @@ -2090,8 +2127,6 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus, { struct adt7316_chip_info *chip; struct iio_dev *indio_dev; - unsigned short *adt7316_platform_data = dev->platform_data; - int irq_type = IRQF_TRIGGER_LOW; int ret; indio_dev = devm_iio_device_alloc(dev, sizeof(*chip)); @@ -2135,20 +2170,9 @@ int adt7316_probe(struct device *dev, struct adt7316_bus *bus, indio_dev->modes = INDIO_DIRECT_MODE; if (chip->bus.irq > 0) { - if (adt7316_platform_data[0]) - irq_type = adt7316_platform_data[0]; - - ret = devm_request_threaded_irq(dev, chip->bus.irq, - NULL, - adt7316_event_handler, - irq_type | IRQF_ONESHOT, - indio_dev->name, - indio_dev); + ret = adt7316_setup_irq(indio_dev); if (ret) return ret; - - if (irq_type & IRQF_TRIGGER_HIGH) - chip->config1 |= ADT7316_INT_POLARITY; } ret = chip->bus.write(chip->bus.client, ADT7316_CONFIG1, chip->config1); |