Introduced IIO_VAL_QUATERNION and its formatting. Format used here:
x:y:z:w
In addition IIO_QUAT_ROT is added to the channel type and name.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
drivers/iio/industrialio-core.c | 4 ++++
include/linux/iio/types.h | 3 +++
2 files changed, 7 insertions(+)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index f8b730a..267b0a0 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -69,6 +69,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_ALTVOLTAGE] = "altvoltage",
[IIO_CCT] = "cct",
[IIO_PRESSURE] = "pressure",
+ [IIO_QUAT_ROT] = "rotquaternion",
};
static const char * const iio_modifier_names[] = {
@@ -403,6 +404,9 @@ ssize_t iio_format_value(char *buf, unsigned int type, int *vals)
vals[1] = do_div(tmp, 1000000000LL);
vals[0] = tmp;
return sprintf(buf, "%d.%09u\n", vals[0], vals[1]);
+ case IIO_VAL_QUATERNION:
+ return sprintf(buf, "%d:%d:%d:%d\n", vals[0], vals[1], vals[2],
+ vals[3]);
default:
return 0;
}
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 4ac928e..878db0e 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -29,6 +29,7 @@ enum iio_chan_type {
IIO_ALTVOLTAGE,
IIO_CCT,
IIO_PRESSURE,
+ IIO_QUAT_ROT,
};
enum iio_modifier {
@@ -52,6 +53,7 @@ enum iio_modifier {
IIO_MOD_LIGHT_RED,
IIO_MOD_LIGHT_GREEN,
IIO_MOD_LIGHT_BLUE,
+ IIO_MOD_QUATERNION,
};
enum iio_event_type {
@@ -78,6 +80,7 @@ enum iio_event_direction {
#define IIO_VAL_INT_PLUS_MICRO 2
#define IIO_VAL_INT_PLUS_NANO 3
#define IIO_VAL_INT_PLUS_MICRO_DB 4
+#define IIO_VAL_QUATERNION 5
#define IIO_VAL_FRACTIONAL 10
#define IIO_VAL_FRACTIONAL_LOG2 11
--
1.8.3.2
--
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