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【Android】
RK3128 OV5640 DVP调试 生成video设备节点方式
发表于 2019-4-19 11:26:07
浏览：8641
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回复：1
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shell@fireprime:/ $ [ 180.118381] RMC_GETDATA=0xb9
[ 180.262964] rk_cam_cif(1436): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1436-------rk_camera_add_device()
[ 180.263108] rk_cam_cif(1446): rk312x-camera driver attached to ov5640_back_3
[ 180.263181] rk_cam_cif(1404): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1404-------rk_camera_activate()
[ 180.263272] ov5640_back_3(rk_cam_sensor:1241): generic_sensor_ioctl cmd(0x3) is unknown !
[ 180.263272]
[ 180.263375] rk_cam_cif(1493): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1493-------rk_camera_add_device()
[ 180.263470] rk_cam_io(1165):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1165-------rk_sensor_power()
[ 180.263470]
[ 180.263595] rk_cam_io(1176):new_camera->dev_name= ov5640_back_3
[ 180.263595]
[ 180.263681] rk_cam_io(1177):dev_name(dev)= ov5640_back_3
[ 180.263681]
[ 180.263771] rk_cam_io(1189):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1189
[ 180.263771]
[ 180.263876] rk_cam_io(1176):new_camera->dev_name= s5k4ec_back_4
[ 180.263876]
[ 180.263961] rk_cam_io(1177):dev_name(dev)= ov5640_back_3
[ 180.263961]
[ 180.264049] rk_cam_io(1180):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1180
[ 180.264049]
[ 180.264149] rk_cam_io(1183):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1183
[ 180.264149]
[ 180.264253] rk_cam_io(531):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:531-------sensor_powerdown_default_cb()
[ 180.264253]
[ 180.264367] rk_cam_io(550):s5k4ec_back_4 PowerDownPin=127 ..PinLevel = 0
[ 180.264434] rk_cam_io(1210):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1210
[ 180.264434]
[ 180.264538] rk_cam_io(1080):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1080-------rk_sensor_pwrseq()
[ 180.264538]
[ 180.264648] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 180.264733] rk_cam_cif(1353): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1353-------rk_camera_mclk_ctrl()
[ 180.264960] rk_cam_io(1141):SensorPwrSeq-clock: 1
[ 180.265033] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 180.265119] rk_cam_io(426):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:426-------sensor_power_default_cb()
[ 180.265119]
[ 180.265381] rk818_ldo8: operation not allowed
[ 180.331844] rk818_ldo4: operation not allowed
[ 180.370868] ret: 0
[ 180.390544] rk_cam_io(1102):SensorPwrSeq-power: 1
[ 180.390563] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 180.498795] Cam_Powerdowm
[ 180.498824] rk_cam_io(531):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:531-------sensor_powerdown_default_cb()
[ 180.498824]
[ 180.498851] rk_cam_io(553):ov5640_back_3 PowerDownPin= 127..PinLevel = 0
[ 180.498866] rk_cam_io(1130):SensorPwrSeq-power down: 0
[ 180.498881] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 180.498900] rk_cam_io(496):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:496-------sensor_reset_default_cb()
[ 180.498900]
[ 180.518470] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 180.518493] rk_cam_io(496):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:496-------sensor_reset_default_cb()
[ 180.518493]
[ 180.518516] rk_cam_io(1119):SensorPwrSeq-reset: 1
[ 180.518541] rk_cam_cif(2038): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2038-------rk_camera_fmt_capturechk()/n
[ 180.518561] rk_cam_cif(2320): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2320-------rk_camera_try_fmt()
[ 180.518586] rk_cam_cif(2371): user demand: 640x480 sensor output: 640x480
[ 180.518606] rk312x-camera rk312x-camera.33: Field type 4 unsupported.
[ 180.518622] rk_cam_cif(2078): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2078-------rk_camera_set_fmt()/n
[ 180.518639] rk_cam_cif(2084): enter width:640 height:480
[ 181.092291] rk_cam_cif(1601): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1601-------rk_camera_set_bus_param()/n
[ 181.092435] rk_cam_cif(1626): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1626-------rk_camera_set_bus_param()
[ 181.092525] rk_cam_cif(1677): CIF_CIF_FOR: 0x90000
[ 181.092594] rk_cam_cif(1334): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1334-------rk_camera_init_videobuf()/n
[ 181.093198] rk_cam_cif(2477): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2477-------rk_camera_querycap()
[ 181.093308] rk_cam_cif(2507): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2507-------rk_camera_querycap()
[ 181.093385] iview add ENOTTY!
[ 181.096556] iview add ENOTTY!
[ 181.097077] iview add ENOTTY!
[ 181.097645] iview add ENOTTY!
[ 181.098121] iview add ENOTTY!
[ 181.098573] iview add ENOTTY!
[ 181.099226] iview add ENOTTY!
[ 181.099333] rk_cam_cif(2038): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2038-------rk_camera_fmt_capturechk()/n
[ 181.099423] rk_cam_cif(2320): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2320-------rk_camera_try_fmt()
[ 181.099618] rk_cam_cif(2371): user demand: 640x480 sensor output: 640x480
[ 181.099704] rk312x-camera rk312x-camera.33: Field type 4 unsupported.
[ 181.099781] rk_cam_cif(2078): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2078-------rk_camera_set_fmt()/n
[ 181.099859] rk_cam_cif(2084): enter width:640 height:480
[ 181.099940] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 181.100027] rk_cam_io(573):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:573-------sensor_flash_default_cb()/n
[ 181.581419] rk_cam_cif(2278): YUV420 NV21 CIF Host:640x480@(0,0) Sensor:640x480->640x480 User crop:(0,0,0,0)in(2592,1944) (zoom: 640x480@(0,0)->640x480)
[ 181.581565] rk_cam_cif(1775): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1775-------rk_camera_setup_format()/n
[ 181.680122] rk_cam_cif(556): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:556-------rk_camera_cif_reset()
[ 181.680168] rk_cam_cif(1861): CIF_CIF_CROP:0x0 CIF_CIF_FS:0x1e00280 CIF_CIF_FOR:0x90000
[ 181.680190] rk_cam_cif(1601): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1601-------rk_camera_set_bus_param()/n
[ 181.680213] rk_cam_cif(1626): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1626-------rk_camera_set_bus_param()
[ 181.680236] rk_cam_cif(1677): CIF_CIF_FOR: 0x90000
[ 181.680308] iview add ENOTTY!
[ 181.680341] iview add ENOTTY!
[ 181.681328] generic_sensor_s_parm
[ 181.681346] iview add ENOTTY!
[ 181.681360] iview add ENOTTY!
[ 181.681462] rk_cam_cif(3074): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:3074-------rk_camera_set_ctrl()
[ 181.681481] sensor_focus_default_cb(571): focus have not been init success yet
[ 181.681492] iview add ENOTTY!
[ 181.681547] rk_cam_cif(3074): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:3074-------rk_camera_set_ctrl()
[ 181.681565] ov5640_back_3(rk_cam_sensor:1048): v4l2_control id(0x980900) is invalidate
[ 181.681606] iview add ENOTTY!
[ 181.681677] rk_cam_cif(3074): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:3074-------rk_camera_set_ctrl()
[ 181.681696] ov5640_back_3(rk_cam_sensor:1048): v4l2_control id(0x9a0901) is invalidate
[ 181.681708] iview add ENOTTY!
[ 181.681788] rk_cam_cif(3074): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:3074-------rk_camera_set_ctrl()
[ 181.681807] ov5640_back_3(rk_cam_sensor:1048): v4l2_control id(0x9a0902) is invalidate
[ 181.681819] iview add ENOTTY!
[ 181.681909] rk_cam_cif(3074): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:3074-------rk_camera_set_ctrl()
[ 181.681928] ov5640_back_3(rk_cam_sensor:1048): v4l2_control id(0x980902) is invalidate
[ 181.681939] iview add ENOTTY!
[ 181.682059] rk_cam_cif(616): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:616-------rk_videobuf_setup()
[ 181.682100] rk_cam_cif(687): videobuf size:462848, vipmem_buf size:0, count:4
[ 181.682119] rk_cam_cif(2427): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2427-------rk_camera_reqbufs()/niview add ENOTTY!
[ 181.682148] iview add ENOTTY!
[ 181.682910] iview add ENOTTY!
[ 181.683762] iview add ENOTTY!
[ 181.684357] iview add ENOTTY!
[ 181.684948] rk_cam_cif(725): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:725-------rk_videobuf_prepare()
[ 181.684966] iview add ENOTTY!
[ 181.685062] rk_cam_cif(725): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:725-------rk_videobuf_prepare()
[ 181.685080] iview add ENOTTY!
[ 181.685149] rk_cam_cif(725): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:725-------rk_videobuf_prepare()
[ 181.685166] iview add ENOTTY!
[ 181.685261] rk_cam_cif(725): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:725-------rk_videobuf_prepare()
[ 181.685278] iview add ENOTTY!
[ 181.685334] rk_cam_cif(829): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:829-------rk_videobuf_queue()
[ 181.685351] rk_cam_cif(785): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:785-------rk_videobuf_capture()
[ 181.685368] rk_cam_cif(829): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:829-------rk_videobuf_queue()
[ 181.685383] rk_cam_cif(829): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:829-------rk_videobuf_queue()
[ 181.685428] rk_cam_cif(2784): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2784-------rk_camera_s_stream()
[ 181.685446] rk_camera_s_stream:stream enable CIF_CIF_CTRL 0xf001
[ 181.685461] rk_cam_cif(2840): s_stream: enable : 0x1 , CIF_CIF_CTRL = 0xf001
[ 181.685472] iview add ENOTTY!
[ 184.637514] rk_cam_cif(2694): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2694-------rk_camera_fps_func()
[ 184.637648] rk_cam_cif(2696): rk_camera_fps_func fps:0x0
[ 184.637722] rk_cam_cif(2699):Camera host haven't recevie data from sensor,last fps = 0,pcdev->fps = 0,cif_irq: 0,dma_irq: 0!
[ 184.651598] rk_cam_cif(2601): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2601-------rk_camera_reinit_work()/n
[ 184.651648] rk_cam_cif(2610):CIF_CIF_CTRL = 0xf001
[ 184.651681] rk_cam_cif(2611):CIF_CIF_INTEN = 0x201
[ 184.651711] rk_cam_cif(2612):CIF_CIF_INTSTAT = 0x0
[ 184.651742] rk_cam_cif(2613):CIF_CIF_FOR = 0x90000
[ 184.651771] rk_cam_cif(2614):CIF_CIF_CROP = 0x0
[ 184.651802] rk_cam_cif(2615):CIF_CIF_SET_SIZE = 0x1e00280
[ 184.651833] rk_cam_cif(2616):CIF_CIF_SCL_CTRL = 0x10
[ 184.651863] rk_cam_cif(2617):CRU_PCLK_REG30 = 0X8100
[ 184.651893] rk_cam_cif(2618):CIF_CIF_LAST_LINE = 0X0
[ 184.651923] rk_cam_cif(2620):CIF_CIF_LAST_PIX = 0X0
[ 184.651954] rk_cam_cif(2621):CIF_CIF_VIR_LINE_WIDTH = 0X280
[ 184.651984] rk_cam_cif(2622):CIF_CIF_LINE_NUM_ADDR = 0X0
[ 184.652016] rk_cam_cif(2623):CIF_CIF_FRM0_ADDR_Y = 0X7f200000
[ 184.652049] rk_cam_cif(2624):CIF_CIF_FRM0_ADDR_UV = 0X7f24b000
[ 184.652080] rk_cam_cif(2625):CIF_CIF_FRAME_STATUS = 0X0
[ 184.652111] rk_cam_cif(2626):CIF_CIF_SCL_VALID_NUM = 0X0
[ 184.652141] rk_cam_cif(2627):CIF_CIF_CUR_DST = 0X0
[ 184.652171] rk_cam_cif(2628):CIF_CIF_LINE_NUM_ADDR = 0X0
[ 184.652202] rk_cam_cif(2634):Sensor data transfer may be error, so reset CIF and reinit sensor for resume!
[ 184.652244] rk_cam_cif(556): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:556-------rk_camera_cif_reset()
[ 184.652310] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 184.652357] rk_cam_io(573):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:573-------sensor_flash_default_cb()/n
[ 187.589519] rk_cam_cif(2694): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2694-------rk_camera_fps_func()
[ 187.589653] rk_cam_cif(2696): rk_camera_fps_func fps:0x0
[ 187.589726] rk_cam_cif(2699):Camera host haven't recevie data from sensor,last fps = 0,pcdev->fps = 0,cif_irq: 0,dma_irq: 0!
[ 187.589892] rk_cam_cif(2601): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2601-------rk_camera_reinit_work()/n
[ 187.589975] rk_cam_cif(2610):CIF_CIF_CTRL = 0xf001
[ 187.590036] rk_cam_cif(2611):CIF_CIF_INTEN = 0x201
[ 187.590093] rk_cam_cif(2612):CIF_CIF_INTSTAT = 0x0
[ 187.590150] rk_cam_cif(2613):CIF_CIF_FOR = 0x90000
[ 187.590222] rk_cam_cif(2614):CIF_CIF_CROP = 0x0
[ 187.590325] rk_cam_cif(2615):CIF_CIF_SET_SIZE = 0x1e00280
[ 187.590387] rk_cam_cif(2616):CIF_CIF_SCL_CTRL = 0x10
[ 187.590445] rk_cam_cif(2617):CRU_PCLK_REG30 = 0X8100
[ 187.590502] rk_cam_cif(2618):CIF_CIF_LAST_LINE = 0X0
[ 187.590558] rk_cam_cif(2620):CIF_CIF_LAST_PIX = 0X0
[ 187.590615] rk_cam_cif(2621):CIF_CIF_VIR_LINE_WIDTH = 0X280
[ 187.590674] rk_cam_cif(2622):CIF_CIF_LINE_NUM_ADDR = 0X0
[ 187.590733] rk_cam_cif(2623):CIF_CIF_FRM0_ADDR_Y = 0X7f200000
[ 187.590794] rk_cam_cif(2624):CIF_CIF_FRM0_ADDR_UV = 0X7f24b000
[ 187.590853] rk_cam_cif(2625):CIF_CIF_FRAME_STATUS = 0X0
[ 187.590910] rk_cam_cif(2626):CIF_CIF_SCL_VALID_NUM = 0X0
[ 187.590967] rk_cam_cif(2627):CIF_CIF_CUR_DST = 0X0
[ 187.591023] rk_cam_cif(2628):CIF_CIF_LINE_NUM_ADDR = 0X0
[ 187.591081] rk_cam_cif(2662): the reinit times = 2
[ 187.591173] wake up video buffer index = 1 !!!
[ 187.591229] wake up video buffer index = 2 !!!
[ 187.591280] wake up video buffer index = 3 !!!
[ 187.591347] iview add ENOTTY!
[ 187.593735] ov5640(1324): ov5640 Download firmware failed
[ 187.593735]
[ 187.593841] ov5640_back_3(rk_cam_sensor:1311): WqCmd_af_init is failed in sensor_af_workqueue!
[ 187.594014] rk_cam_cif(2784): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:2784-------rk_camera_s_stream()
[ 188.577623] rk_cam_cif(2682):the 2 reinit times ,wake up video buffers!
[ 188.577623]
[ 188.577797] rk_cam_cif(2828):rk_camera_s_stream:2828, wait cif stop timeout!
[ 188.577817] rk_cam_cif(2840): s_stream: enable : 0x0 , CIF_CIF_CTRL = 0xf000
[ 188.577938] rk_cam_cif(695): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:695-------rk_videobuf_free()
[ 188.578032] rk_cam_cif(695): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:695-------rk_videobuf_free()
[ 188.578125] rk_cam_cif(695): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:695-------rk_videobuf_free()
[ 188.578218] rk_cam_cif(695): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:695-------rk_videobuf_free()
[ 188.578305] iview add ENOTTY!
[ 188.580483] iview1!
[ 188.582641] iview1!
[ 188.584706] iview1!
[ 188.586798] rk_cam_io(1165):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1165-------rk_sensor_power()
[ 188.586798]
[ 188.586932] rk_cam_io(1176):new_camera->dev_name= ov5640_back_3
[ 188.586932]
[ 188.587020] rk_cam_io(1177):dev_name(dev)= ov5640_back_3
[ 188.587020]
[ 188.587111] rk_cam_io(1189):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1189
[ 188.587111]
[ 188.587216] rk_cam_io(1176):new_camera->dev_name= s5k4ec_back_4
[ 188.587216]
[ 188.587383] rk_cam_io(1177):dev_name(dev)= ov5640_back_3
[ 188.587383]
[ 188.587478] rk_cam_io(1180):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1180
[ 188.587478]
[ 188.587584] rk_cam_io(1080):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:1080-------rk_sensor_pwrseq()
[ 188.587584]
[ 188.587696] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 188.587782] rk_cam_io(496):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:496-------sensor_reset_default_cb()
[ 188.587782]
[ 188.587885] rk_cam_io(1119):SensorPwrSeq-reset: 0
[ 188.587949] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 188.695484] Cam_Powerdowm
[ 188.695506] rk_cam_io(531):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:531-------sensor_powerdown_default_cb()
[ 188.695506]
[ 188.695529] rk_cam_io(550):ov5640_back_3 PowerDownPin=127 ..PinLevel = 1
[ 188.695541] rk_cam_io(1130):SensorPwrSeq-power down: 1
[ 188.695554] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 188.695569] rk_cam_io(426):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:426-------sensor_power_default_cb()
[ 188.695569]
[ 188.764393] ret: 0
[ 188.784061] rk_cam_io(1102):SensorPwrSeq-power: 0
[ 188.784077] rk_cam_io(964):/$$$$$$$$$$$$$$$$$$$$$$//n Here I am: arch/arm/mach-rockchip/rk_camera.c:964-------rk_sensor_ioctrl()/n
[ 188.784111] rk_cam_cif(1353): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1353-------rk_camera_mclk_ctrl()
[ 188.784175] rk_cam_io(1141):SensorPwrSeq-clock: 0
[ 188.794046] rk_cam_cif(1532): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1532-------rk_camera_remove_device()
[ 188.794067] rk_cam_cif(1538): rk312x-camera driver detached from ov5640_back_3
[ 188.794091] rk_cam_cif(1416): /$$$$$$$$$$$$$$$$$$$$$$//n Here I am: drivers/media/video/rk30_camera_oneframe.c:1416-------rk_camera_deactivate()
能生成设备节点video0 通过v4l2 API接口操作时，ioctl(fd, VIDIOC_DQBUF, &buf) 返回-1，各位大神多多指点
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