diff options
Diffstat (limited to 'drivers/iio/adc/ad7091r-base.c')
| -rw-r--r-- | drivers/iio/adc/ad7091r-base.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c index d6876259ad14..647a7852dd8d 100644 --- a/drivers/iio/adc/ad7091r-base.c +++ b/drivers/iio/adc/ad7091r-base.c @@ -7,6 +7,7 @@ #include <linux/bitops.h> #include <linux/bitfield.h> +#include <linux/cleanup.h> #include <linux/iio/events.h> #include <linux/iio/iio.h> #include <linux/interrupt.h> @@ -35,7 +36,7 @@ const struct iio_event_spec ad7091r_events[] = { .mask_separate = BIT(IIO_EV_INFO_HYSTERESIS), }, }; -EXPORT_SYMBOL_NS_GPL(ad7091r_events, IIO_AD7091R); +EXPORT_SYMBOL_NS_GPL(ad7091r_events, "IIO_AD7091R"); static int ad7091r_set_channel(struct ad7091r_state *st, unsigned int channel) { @@ -150,7 +151,8 @@ static int ad7091r_read_event_config(struct iio_dev *indio_dev, static int ad7091r_write_event_config(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, - enum iio_event_direction dir, int state) + enum iio_event_direction dir, + bool state) { struct ad7091r_state *st = iio_priv(indio_dev); @@ -369,7 +371,7 @@ int ad7091r_probe(struct device *dev, const struct ad7091r_init_info *init_info, return devm_iio_device_register(dev, iio_dev); } -EXPORT_SYMBOL_NS_GPL(ad7091r_probe, IIO_AD7091R); +EXPORT_SYMBOL_NS_GPL(ad7091r_probe, "IIO_AD7091R"); bool ad7091r_writeable_reg(struct device *dev, unsigned int reg) { @@ -381,19 +383,14 @@ bool ad7091r_writeable_reg(struct device *dev, unsigned int reg) return true; } } -EXPORT_SYMBOL_NS_GPL(ad7091r_writeable_reg, IIO_AD7091R); +EXPORT_SYMBOL_NS_GPL(ad7091r_writeable_reg, "IIO_AD7091R"); bool ad7091r_volatile_reg(struct device *dev, unsigned int reg) { - switch (reg) { - case AD7091R_REG_RESULT: - case AD7091R_REG_ALERT: - return true; - default: - return false; - } + /* The volatile ad7091r registers are also the only RO ones. */ + return !ad7091r_writeable_reg(dev, reg); } -EXPORT_SYMBOL_NS_GPL(ad7091r_volatile_reg, IIO_AD7091R); +EXPORT_SYMBOL_NS_GPL(ad7091r_volatile_reg, "IIO_AD7091R"); MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>"); MODULE_DESCRIPTION("Analog Devices AD7091Rx multi-channel converters"); |