lbgn_upper 190 drivers/misc/echo/echo.c ec->lbgn_upper = 200; lbgn_upper 191 drivers/misc/echo/echo.c ec->lbgn_upper_acc = ec->lbgn_upper << 13; lbgn_upper 237 drivers/misc/echo/echo.c ec->lbgn_upper = 200; lbgn_upper 238 drivers/misc/echo/echo.c ec->lbgn_upper_acc = ec->lbgn_upper << 13; lbgn_upper 146 drivers/misc/echo/echo.h int lbgn_upper;