rv1126b接入bt656，抓取不到数据问题

[ 19.014752] platform mtd_vendor_storage: deferred probe pending
[ 27.170258] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: vi_interface_enum = 1 dual_edge = 0
[ 27.170280] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: RKMODULE_CAMERA_BT656_CHANNELS = 60 V4L2_MBUS_PCLK_SAMPLE_RISING = 64 V4L2_MBUS_PCLK_SAMPLE_FALLING = 128
[ 27.170292] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: BT656 mode - type=2, flags=0x7c (RKMODULE_CAMERA_BT656_CHANNELS=0x3c)
[ 27.170303] fpga-dvp 0-0030: === DEBUG === Reporting mbus type: 2 (1=Parallel/BT601, 2=BT656), flags: 0x0000007c
[ 27.170315] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: vi_interface_enum = 1 dual_edge = 0
[ 27.170324] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: RKMODULE_CAMERA_BT656_CHANNELS = 60 V4L2_MBUS_PCLK_SAMPLE_RISING = 64 V4L2_MBUS_PCLK_SAMPLE_FALLING = 128
[ 27.170336] fpga-dvp 0-0030: fpga_sensor_g_mbus_config: BT656 mode - type=2, flags=0x7c (RKMODULE_CAMERA_BT656_CHANNELS=0x3c)
[ 27.170348] fpga-dvp 0-0030: === DEBUG === Reporting mbus type: 2 (1=Parallel/BT601, 2=BT656), flags: 0x0000007c
[ 27.170360] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -1073457439
[ 27.170369] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2147199262
[ 27.175859] fpga-dvp 0-0030: fpga_sensor_get_fmt: mode: 320x240, bus_fmt: 0x2006, vts: 576, hts: 768
[ 27.175879] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -1071622444
[ 27.175891] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2142480665
[ 27.175901] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2125179196
[ 27.182010] rkcif-dvp: stream[0] start streaming
[ 27.182027] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2147199275
[ 27.182040] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2147199259
[ 27.182052] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2125179196
[ 27.182063] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2147199282
[ 27.182075] fpga-dvp 0-0030: fpga_sensor_get_fmt: mode: 320x240, bus_fmt: 0x2006, vts: 576, hts: 768
[ 27.182088] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -1071622444
[ 27.182097] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2142480665
[ 27.184116] rkcif-dvp: Allocate dummy buffer, size: 0x00602000
[ 27.184129] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2147199255
[ 27.184140] rkcif-dvp: set dual edge mode(off,0x2000000)!!!
[ 27.184150] fpga-dvp 0-0030: fpga_sensor_ioctl Done - cmd -2146937135
[ 27.184159] fpga-dvp 0-0030: BT656 module info (compatible): flags=0x5
[ 27.184175] fpga-dvp 0-0030: fpga_sensor_querystd: V4L2_STD_PAL
[ 27.184195] fpga-dvp 0-0030: s_stream: on 320x240, 40 fps, 768x576
[ 27.184207] fpga-dvp 0-0030: s_stream: on 320x240, code: 0x2006, bus fmt: UYVY
[ 27.184222] fpga-dvp 0-0030: fpga sensor streaming started: 320x240 @ 25 fps

机芯接入海思可以出图，接到1126b抓图就一直停留在这里，请问有大神知道是什么原因吗？