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diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index d752e9c..b495dba 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -13,6 +13,7 @@
#include <linux/cdev.h>
#include <linux/debugfs.h>
#include <linux/device.h>
+#include <linux/dmi.h>
#include <linux/err.h>
#include <linux/fs.h>
#include <linux/idr.h>
@@ -571,6 +572,14 @@ static const struct iio_mount_matrix iio_mount_idmatrix = {
}
};
+static const struct iio_mount_matrix iio_mount_flip_x_z_matrix = {
+ .rotation = {
+ "-1", "0", "0",
+ "0", "1", "0",
+ "0", "0", "-1"
+ }
+};
+
static int iio_setup_mount_idmatrix(const struct device *dev,
struct iio_mount_matrix *matrix)
{
@@ -579,6 +588,14 @@ static int iio_setup_mount_idmatrix(const struct device *dev,
return 0;
}
+static int iio_setup_mount_flip_x_z_matrix(const struct device *dev,
+ struct iio_mount_matrix *matrix)
+{
+ *matrix = iio_mount_flip_x_z_matrix;
+ dev_info(dev, "using flipped X-axis and flipped Z-axis mounting matrix...\n");
+ return 0;
+}
+
ssize_t iio_show_mount_matrix(struct iio_dev *indio_dev, uintptr_t priv,
const struct iio_chan_spec *chan, char *buf)
{
@@ -615,6 +632,8 @@ int iio_read_mount_matrix(struct device *dev, struct iio_mount_matrix *matrix)
int err;
err = device_property_read_string_array(dev, "mount-matrix", matrix->rotation, len);
+ if (dmi_match(DMI_BOARD_NAME, "RC71L"))
+ return iio_setup_mount_flip_x_z_matrix(dev, matrix);
if (err == len)
return 0;
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