iio: imu: st_lsm6dsx: modify st_lsm6dsx_flush_fifo and st_lsm6dsx_set_fifo_mode scope

Remove static qualifier from st_lsm6dsx_flush_fifo() and
st_lsm6dsx_set_fifo_mode() in order to use them in system sleep pm support

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h

@@ -144,5 +144,8 @@ int st_lsm6dsx_write_with_mask(struct st_lsm6dsx_hw *hw, u8 addr, u8 mask,
 			       u8 val);
 int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor,
 				u16 watermark);
+int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw);
+int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw,
+			     enum st_lsm6dsx_fifo_mode fifo_mode);
 
 #endif /* ST_LSM6DSX_H */

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c

@@ -130,8 +130,8 @@ static int st_lsm6dsx_update_decimators(struct st_lsm6dsx_hw *hw)
 	return 0;
 }
 
-static int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw,
-				    enum st_lsm6dsx_fifo_mode fifo_mode)
+int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw,
+			     enum st_lsm6dsx_fifo_mode fifo_mode)
 {
 	u8 data;
 	int err;
@@ -303,7 +303,7 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
 	return read_len;
 }
 
-static int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw)
+int st_lsm6dsx_flush_fifo(struct st_lsm6dsx_hw *hw)
 {
 	int err;