diff options
Diffstat (limited to 'include/linux/iio/iio.h')
| -rw-r--r-- | include/linux/iio/iio.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 5f2d00e7e488..ccde91725f98 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -177,6 +177,12 @@ struct iio_event_spec { * shift: Shift right by this before masking out * realbits. * endianness: little or big endian + * repeat: Number of times real/storage bits + * repeats. When the repeat element is + * more than 1, then the type element in + * sysfs will show a repeat value. + * Otherwise, the number of repetitions is + * omitted. * @info_mask_separate: What information is to be exported that is specific to * this channel. * @info_mask_shared_by_type: What information is to be exported that is shared @@ -219,6 +225,7 @@ struct iio_chan_spec { u8 realbits; u8 storagebits; u8 shift; + u8 repeat; enum iio_endian endianness; } scan_type; long info_mask_separate; @@ -288,6 +295,8 @@ static inline s64 iio_get_time_ns(void) #define INDIO_ALL_BUFFER_MODES \ (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE) +#define INDIO_MAX_RAW_ELEMENTS 4 + struct iio_trigger; /* forward declaration */ struct iio_dev; @@ -302,6 +311,14 @@ struct iio_dev; * the channel in question. Return value will specify the * type of value returned by the device. val and val2 will * contain the elements making up the returned value. + * @read_raw_multi: function to return values from the device. + * mask specifies which value. Note 0 means a reading of + * the channel in question. Return value will specify the + * type of value returned by the device. vals pointer + * contain the elements making up the returned value. + * max_len specifies maximum number of elements + * vals pointer can contain. val_len is used to return + * length of valid elements in vals. * @write_raw: function to write a value to the device. * Parameters are the same as for read_raw. * @write_raw_get_fmt: callback function to query the expected @@ -328,6 +345,13 @@ struct iio_info { int *val2, long mask); + int (*read_raw_multi)(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int max_len, + int *vals, + int *val_len, + long mask); + int (*write_raw)(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, |