Messages in this thread Patch in this message | | | From | Mårten Lindahl <> | Date | Fri, 15 Dec 2023 13:43:04 +0100 | Subject | [PATCH 1/2] iio: core: Introduce resolution standard attribute |
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Introduce a new IIO standard attribute to set bit resolution of the data *_raw readings dynamically using sysfs.
Needed to set 16 bit data width (high definition) with the VCNL4040 driver.
Signed-off-by: Mårten Lindahl <marten.lindahl@axis.com> --- drivers/iio/industrialio-core.c | 1 + include/linux/iio/types.h | 1 + 2 files changed, 2 insertions(+)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index c77745b594bd..4316e0290404 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -182,6 +182,7 @@ static const char * const iio_chan_info_postfix[] = { [IIO_CHAN_INFO_THERMOCOUPLE_TYPE] = "thermocouple_type", [IIO_CHAN_INFO_CALIBAMBIENT] = "calibambient", [IIO_CHAN_INFO_ZEROPOINT] = "zeropoint", + [IIO_CHAN_INFO_RESOLUTION] = "resolution", }; /** * iio_device_id() - query the unique ID for the device diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 117bde7d6ad7..7de4d83ca105 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -68,6 +68,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_THERMOCOUPLE_TYPE, IIO_CHAN_INFO_CALIBAMBIENT, IIO_CHAN_INFO_ZEROPOINT, + IIO_CHAN_INFO_RESOLUTION, }; #endif /* _IIO_TYPES_H_ */ -- 2.30.2
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