LIRC_MODE2_SPACE   23 include/media/lirc.h #define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
LIRC_MODE2_SPACE   31 include/media/lirc.h #define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)