poppy: fix accel/gyro rotation matrix
The matrix was not correct and sensor would report -1G along the Z axis
while on a flat surface.
BUG=chrome-os-partner:63021
BRANCH=none
TEST=Check in ARC++ AIDA64 the gravity data is reported correctly along
the Z axis.
Change-Id: I0ddbf40876746432c640f547a5efede3a07c6eec
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/444066
Tested-by: Rajat Jain <rajatja@chromium.org>
Reviewed-by: Rajat Jain <rajatja@chromium.org>
diff --git a/board/poppy/board.c b/board/poppy/board.c
index bb29baa..b31309f 100644
--- a/board/poppy/board.c
+++ b/board/poppy/board.c
@@ -575,7 +575,7 @@
const matrix_3x3_t lid_standard_ref = {
{ 0, FLOAT_TO_FP(1), 0},
{FLOAT_TO_FP(-1), 0, 0},
- { 0, 0, FLOAT_TO_FP(-1)}
+ { 0, 0, FLOAT_TO_FP(1)}
};
struct motion_sensor_t motion_sensors[] = {
