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Diffstat (limited to 'Documentation/driver-api/iio/buffers.rst')
| -rw-r--r-- | Documentation/driver-api/iio/buffers.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/driver-api/iio/buffers.rst b/Documentation/driver-api/iio/buffers.rst index 9dad7c94034b..5801caf216a6 100644 --- a/Documentation/driver-api/iio/buffers.rst +++ b/Documentation/driver-api/iio/buffers.rst @@ -38,15 +38,16 @@ attributes of the following form: * :file:`type`, description of the scan element data storage within the buffer and hence the form in which it is read from user space. Format is [be|le]:[s|u]bits/storagebitsXrepeat[>>shift] . + * *be* or *le*, specifies big or little endian. * *s* or *u*, specifies if signed (2's complement) or unsigned. * *bits*, is the number of valid data bits. * *storagebits*, is the number of bits (after padding) that it occupies in the - buffer. - * *shift*, if specified, is the shift that needs to be applied prior to - masking out unused bits. + buffer. * *repeat*, specifies the number of bits/storagebits repetitions. When the - repeat element is 0 or 1, then the repeat value is omitted. + repeat element is 0 or 1, then the repeat value is omitted. + * *shift*, if specified, is the shift that needs to be applied prior to + masking out unused bits. For example, a driver for a 3-axis accelerometer with 12 bit resolution where data is stored in two 8-bits registers as follows:: @@ -123,4 +124,3 @@ More details .. kernel-doc:: include/linux/iio/buffer.h .. kernel-doc:: drivers/iio/industrialio-buffer.c :export: - |