diff options
Diffstat (limited to 'drivers/iio/adc/ad7091r-base.c')
| -rw-r--r-- | drivers/iio/adc/ad7091r-base.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c index 606486c4dfe8..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> @@ -386,13 +387,8 @@ 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"); |