diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 7 | ||||
| -rw-r--r-- | drivers/iio/industrialio-core.c | 1 | ||||
| -rw-r--r-- | include/linux/iio/iio.h | 5 |
3 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 2ce4dad..5bc8a47 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -280,6 +280,13 @@ Description: If a discrete set of scale values are available, they are listed in this attribute. +What /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain +KernelVersion: 2.6.35 +Contact: linux-iio@vger.kernel.org +Description: + Hardware applied gain factor. If shared across all channels, + <type>_hardwaregain is used. + What: /sys/.../in_accel_filter_low_pass_3db_frequency What: /sys/.../in_magn_filter_low_pass_3db_frequency What: /sys/.../in_anglvel_filter_low_pass_3db_frequency diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 425cd4c..86f3460 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -91,6 +91,7 @@ static const char * const iio_chan_info_postfix[] = { [IIO_CHAN_INFO_SAMP_FREQ] = "sampling_frequency", [IIO_CHAN_INFO_FREQUENCY] = "frequency", [IIO_CHAN_INFO_PHASE] = "phase", + [IIO_CHAN_INFO_HARDWAREGAIN] = "hardwaregain", }; const struct iio_chan_spec diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 6fdbdb8..897c6b01 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -34,6 +34,7 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_SAMP_FREQ, IIO_CHAN_INFO_FREQUENCY, IIO_CHAN_INFO_PHASE, + IIO_CHAN_INFO_HARDWAREGAIN, }; #define IIO_CHAN_INFO_SHARED_BIT(type) BIT(type*2) @@ -95,6 +96,10 @@ enum iio_chan_info_enum { IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_PHASE) #define IIO_CHAN_INFO_PHASE_SHARED_BIT \ IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_PHASE) +#define IIO_CHAN_INFO_HARDWAREGAIN_SEPARATE_BIT \ + IIO_CHAN_INFO_SEPARATE_BIT(IIO_CHAN_INFO_HARDWAREGAIN) +#define IIO_CHAN_INFO_HARDWAREGAIN_SHARED_BIT \ + IIO_CHAN_INFO_SHARED_BIT(IIO_CHAN_INFO_HARDWAREGAIN) enum iio_endian { IIO_CPU, |
