Symbol: V4L2_CTRL_CLASS_FM_TX
sys/sys/videoio.h
1226
#define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900)
sys/sys/videoio.h
1227
#define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1)