A quaternion channel type is added. Here channel information is
composed of four components: a vector with x, y, z coordinates and
a w rotation. Reusing x, y, z channel modifiers, but added "w"
component in the modifier list.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
drivers/iio/industrialio-core.c | 2 ++
include/linux/iio/types.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index f95c697..b754f50 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -66,6 +66,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_ALTVOLTAGE] = "altvoltage",
[IIO_CCT] = "cct",
[IIO_PRESSURE] = "pressure",
+ [IIO_QUAT_ROT] = "quat_rot",
};
static const char * const iio_modifier_names[] = {
@@ -80,6 +81,7 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_LIGHT_RED] = "red",
[IIO_MOD_LIGHT_GREEN] = "green",
[IIO_MOD_LIGHT_BLUE] = "blue",
+ [IIO_MOD_W] = "w",
};
/* relies on pairs of these shared then separate */
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 88bf0f0..4565f5c 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_W,
};
#define IIO_VAL_INT 1
--
1.8.3.2
--
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