ov5640启动流程

#[  216.748087] mdp4_overlay_pipe_alloc: pipe=c0a5d3d0 ndx=3 num=2
[  217.034306] --CAMERA-- ov5640_sensor_open_init
[  217.037717] ov5640_sensor_open_init: msm_camio_clk_rate_set
[  217.064485] --CAMERA-- ov5640_power_reset ... (Start...)
[  217.154294] --CAMERA-- ov5640_power_reset ... (End...)
[  217.158412] ov5640_sensor_open_init: init sequence
[  217.163192] --CAMERA-- ov5640_setting rupdate=0, res=0
[  217.168799] --CAMERA-- S_REG_INIT (Start)
[  218.035871] --CAMERA-- ov5640_setting (End), rupdate=0
[  218.039999] --CAMERA--re_init_sensor ok!!
[  218.050797] --CAMERA-- ov5640_sensor_config 0
[  218.054579] --CAMERA-- ov5640_set_sensor_mode mode = 0, res = 0
[  218.060113] --CAMERA-- SENSOR_PREVIEW_MODE
[  218.065039] --CAMERA-- ov5640_setting rupdate=1, res=0
[  218.084371] ov5640_setting: msm_camio_csi_config
[  218.135977] --CAMERA-- ov5640_video_config
[  218.244919] ov5640_return_to_preview:
[  218.252660] ov5640_checkregs 0x380e write 0x3 read 0x4
[  218.257167] ov5640_checkregs 0x380f write 0xd8 read 0x9d
[  218.270330] ov5640_return_to_preview 0x5001,0xa3
[  218.273941] --CAMERA-- ov5640_setting (End), rupdate=1
[  218.413526] --CAMERA-- ov5640_sensor_config 16
[  218.417070] --CAMERA-- CFG_SET_WB!!
[  218.420423] --CAMERA--CAMERA_WB_AUTO
[  218.449856] --CAMERA-- ov5640_sensor_config 16
[  218.453262] --CAMERA-- CFG_SET_WB!!
[  218.462331] --CAMERA--CAMERA_WB_AUTO
[  218.471926] --CAMERA-- ov5640_sensor_config 33
[  218.475731] --CAMERA-- CFG_SET_FLASH_MODE  !!
[  218.487581] mdp4_overlay_pipe_alloc: pipe=c0a5d550 ndx=4 num=3
[  218.536633] --CAMERA-- ov5640_sensor_config 16
[  218.540044] --CAMERA-- CFG_SET_WB!!
[  218.543516] --CAMERA--CAMERA_WB_AUTO
[  218.567928] vfe31_proc_general: cmdID = RESET
[  218.571410] --CAMERA-- ov5640_sensor_config 0
[  218.584956] --CAMERA-- ov5640_set_sensor_mode mode = 0, res = 5
[  218.589841] --CAMERA-- SENSOR_PREVIEW_MODE
[  218.597470] --CAMERA-- ov5640_setting rupdate=1, res=5
[  218.601574] --CAMERA-- ov5640_1080_config
[  218.696785] ov5640_video_1080p:
[  218.703198] ov5640_checkregs 0x380e write 0x4 read 0x5
[  218.707743] ov5640_checkregs 0x380f write 0x60 read 0x40
[  218.720042] ov5640_checkregs 0x3a0e write 0x4 read 0x3
[  218.727351] ov5640_video_1080p       0x5001,0x83
[  218.730410] --CAMERA-- ov5640_setting (End), rupdate=1
[  218.848440] vfe31_proc_general: cmdID = START
[  218.894098] mdp4_mixer_stage_up: unable to stage pipe=4 at mixer_stage=2
[  218.900838] --CAMERA-- ov5640_sensor_config 16
[  218.904236] --CAMERA-- CFG_SET_WB!!
[  218.907754] --CAMERA--CAMERA_WB_AUTO
[  218.916378]
[  218.916382]  msm_vidc_enc: Inside vid_enc_open()
[  218.933863] mdp4_mixer_stage_up: unable to stage pipe=4 at mixer_stage=2
[  218.947012] fw_version 1:31:2012
[  218.953091] vfe31_proc_general: cmdID = START_RECORDING
[  218.963131]
[  218.963136]  vid_enc_ioctl(): Executing VEN_IOCTL_CMD_START
[  218.964737] [pcm_out.c:pcm_out_open] open
[  218.973838] mdp4_mixer_stage_up: unable to stage pipe=4 at mixer_stage=2
[  218.976042]
[  218.976046]  msm_vidc_enc: Sending VCD_EVT_RESP_START to client
[  218.976351] [pcm_out.c:pcm_out_open] open session id[1]
[  218.982935] msm_device_put:device speaker_stereo_rx set 1
[  218.982942] msm_device_put:device freq =48000
[  219.005106] afe_open: 0 48000
[  219.018707] mdp4_mixer_stage_up: unable to stage pipe=4 at mixer_stage=2
[  219.027243] Topology = 10be3
[  219.047895] pcm_out_ioctl: AUDIO_START
[  219.055205] mdp4_mixer_stage_up: unable to stage pipe=4 at mixer_stage=2
[  219.078332] mdp4_lcdc_do_blt: blt_addr=0
[  219.081216] mdp4_overlay_pipe_free: pipe=c0a5d3d0 ndx=3
[  220.074249] Free lte_clt wake lock
[  222.311365] adm_close port_id=0 index 0
[  222.322745] msm_device_put:device speaker_stereo_rx set 0
[  222.368575] afe_close: port_id=0
[  222.377892] [pcm_out.c:pcm_out_release] release session id[1]