When trying to load the modules and use the CSI Camera OV5640:
root@apalis-tk1:~# echo 250 > /sys/class/gpio/export
root@apalis-tk1:~# echo low > /sys/class/gpio/gpio250/direction
root@apalis-tk1:~#
root@apalis-tk1:~# echo 248 > /sys/class/gpio/export
root@apalis-tk1:~# echo low > /sys/class/gpio/gpio248/direction
root@apalis-tk1:~#
root@apalis-tk1:~# echo high > /sys/class/gpio/gpio250/direction
root@apalis-tk1:~#
root@apalis-tk1:~# modprobe videobuf2-dma-contig
root@apalis-tk1:~# modprobe ov5640
root@apalis-tk1:~# modprobe tegra_camera
[ 106.602390] vi vi.0: initialized
[ 106.608309] platform vi.1: Driver vi requests probe deferral
[ 106.614049] soc-camera-pdrv soc-camera-pdrv.1: Probing soc-camera-pdrv.1
[ 106.629560] imx135_v4l2 2-0010: Failed to get regulator vana
[ 106.636767] i2c 2-0010: Driver imx135_v4l2 requests probe deferral
[ 106.644256] soc-camera-pdrv soc-camera-pdrv.3: Probing soc-camera-pdrv.3
[ 106.658372] [ar0330]: sensor driver loading
[ 106.666767] [ar0330]: probing sensor.
[ 106.670782] ar0330_v4l2 2-0018: ar0330_regulator_get vdig ERR: -517
[ 106.677113] ar0330_v4l2 2-0018: ar0330_regulator_get vana ERR: -517
[ 106.683418] ar0330_v4l2 2-0018: ar0330_regulator_get vif ERR: -517
[ 106.689653] ------------[ cut here ]------------
[ 106.694309] WARNING: at /media/cbueno/DATA/yocto/Toradex/oe-core/build/tmp-glibc/work-shared/apalis-tk1/kernel-source/drivers/media/i2c/soc_camera/ar0330_v4l2.c:677 ar0330_power_on+0x38/0xd4 [ar0330_v4l2]()
[ 106.712654] Modules linked in: ar0330_v4l2 imx135_v4l2 tegra_camera(+) ov5640 videobuf2_dma_contig joydev bluetooth gpio_apalis_tk1_k20 apalis_tk1_k20_can apalis_tk1_k20_adc apalis_tk1_k20_ts atmel_mxt_ts apalis_tk1_k20
[ 106.732570] CPU: 3 PID: 809 Comm: modprobe Not tainted 3.10.40-2.8.4+gba29b06 #1
[ 106.740017] [<c00154c8>] (unwind_backtrace+0x0/0x120) from [<c0012090>] (show_stack+0x18/0x1c)
[ 106.748679] [<c0012090>] (show_stack+0x18/0x1c) from [<c00584a0>] (warn_slowpath_common+0x54/0x74)
[ 106.757672] [<c00584a0>] (warn_slowpath_common+0x54/0x74) from [<c0058568>] (warn_slowpath_null+0x20/0x28)
[ 106.767357] [<c0058568>] (warn_slowpath_null+0x20/0x28) from [<bf0a636c>] (ar0330_power_on+0x38/0xd4 [ar0330_v4l2])
[ 106.777837] [<bf0a636c>] (ar0330_power_on+0x38/0xd4 [ar0330_v4l2]) from [<bf0a6784>] (ar0330_probe+0x118/0x1ec [ar0330_v4l2])
[ 106.789184] [<bf0a6784>] (ar0330_probe+0x118/0x1ec [ar0330_v4l2]) from [<c051f1e0>] (i2c_device_probe+0xac/0xf8)
[ 106.799400] [<c051f1e0>] (i2c_device_probe+0xac/0xf8) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 106.809012] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 106.818614] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 106.827517] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 106.836422] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c040f12c>] (device_add+0x3a8/0x588)
[ 106.845240] [<c040f12c>] (device_add+0x3a8/0x588) from [<c051d290>] (i2c_new_device+0x14c/0x1b4)
[ 106.854071] [<c051d290>] (i2c_new_device+0x14c/0x1b4) from [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8)
[ 106.864017] [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8) from [<c0537c24>] (soc_camera_host_register+0x384/0x7e8)
[ 106.874839] [<c0537c24>] (soc_camera_host_register+0x384/0x7e8) from [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera])
[ 106.886527] [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera]) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 106.897770] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c0411bd0>] (__driver_attach+0x54/0x94)
[ 106.907278] [<c0411bd0>] (__driver_attach+0x54/0x94) from [<c040fd94>] (bus_for_each_dev+0x84/0x94)
[ 106.916355] [<c040fd94>] (bus_for_each_dev+0x84/0x94) from [<c0410f24>] (bus_add_driver+0x16c/0x248)
[ 106.925513] [<c0410f24>] (bus_add_driver+0x16c/0x248) from [<c0412418>] (driver_register+0xa8/0x124)
[ 106.934690] [<c0412418>] (driver_register+0xa8/0x124) from [<c00087e8>] (do_one_initcall+0x138/0x168)
[ 106.943943] [<c00087e8>] (do_one_initcall+0x138/0x168) from [<c00b317c>] (load_module+0xd48/0xf70)
[ 106.952937] [<c00b317c>] (load_module+0xd48/0xf70) from [<c00b3784>] (SyS_finit_module+0x1d4/0x268)
[ 106.962013] [<c00b3784>] (SyS_finit_module+0x1d4/0x268) from [<c000e5e0>] (ret_fast_syscall+0x0/0x30)
[ 106.971255] ---[ end trace 493f33f26247f213 ]---
[ 106.976021] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 106.983750] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 106.991262] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 106.997992] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.004662] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.011311] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.018016] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.024691] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.031336] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x18
[ 107.037912] [ar0330]: chip version 0x0000
[ 107.041951] [ar0330]: failed to read sensor id
[ 107.046423] ------------[ cut here ]------------
[ 107.051076] WARNING: at /media/cbueno/DATA/yocto/Toradex/oe-core/build/tmp-glibc/work-shared/apalis-tk1/kernel-source/drivers/media/i2c/soc_camera/ar0330_v4l2.c:712 ar0330_power_off+0x38/0x88 [ar0330_v4l2]()
[ 107.069527] Modules linked in: ar0330_v4l2 imx135_v4l2 tegra_camera(+) ov5640 videobuf2_dma_contig joydev bluetooth gpio_apalis_tk1_k20 apalis_tk1_k20_can apalis_tk1_k20_adc apalis_tk1_k20_ts atmel_mxt_ts apalis_tk1_k20
[ 107.089445] CPU: 0 PID: 809 Comm: modprobe Tainted: G W 3.10.40-2.8.4+gba29b06 #1
[ 107.097835] [<c00154c8>] (unwind_backtrace+0x0/0x120) from [<c0012090>] (show_stack+0x18/0x1c)
[ 107.106483] [<c0012090>] (show_stack+0x18/0x1c) from [<c00584a0>] (warn_slowpath_common+0x54/0x74)
[ 107.115515] [<c00584a0>] (warn_slowpath_common+0x54/0x74) from [<c0058568>] (warn_slowpath_null+0x20/0x28)
[ 107.125205] [<c0058568>] (warn_slowpath_null+0x20/0x28) from [<bf0a6440>] (ar0330_power_off+0x38/0x88 [ar0330_v4l2])
[ 107.135797] [<bf0a6440>] (ar0330_power_off+0x38/0x88 [ar0330_v4l2]) from [<bf0a67f4>] (ar0330_probe+0x188/0x1ec [ar0330_v4l2])
[ 107.147219] [<bf0a67f4>] (ar0330_probe+0x188/0x1ec [ar0330_v4l2]) from [<c051f1e0>] (i2c_device_probe+0xac/0xf8)
[ 107.157456] [<c051f1e0>] (i2c_device_probe+0xac/0xf8) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 107.167063] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 107.176658] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 107.185586] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 107.194493] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c040f12c>] (device_add+0x3a8/0x588)
[ 107.203307] [<c040f12c>] (device_add+0x3a8/0x588) from [<c051d290>] (i2c_new_device+0x14c/0x1b4)
[ 107.212154] [<c051d290>] (i2c_new_device+0x14c/0x1b4) from [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8)
[ 107.222105] [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8) from [<c0537c24>] (soc_camera_host_register+0x384/0x7e8)
[ 107.232960] [<c0537c24>] (soc_camera_host_register+0x384/0x7e8) from [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera])
[ 107.244643] [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera]) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 107.255914] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c0411bd0>] (__driver_attach+0x54/0x94)
[ 107.265430] [<c0411bd0>] (__driver_attach+0x54/0x94) from [<c040fd94>] (bus_for_each_dev+0x84/0x94)
[ 107.274504] [<c040fd94>] (bus_for_each_dev+0x84/0x94) from [<c0410f24>] (bus_add_driver+0x16c/0x248)
[ 107.283739] [<c0410f24>] (bus_add_driver+0x16c/0x248) from [<c0412418>] (driver_register+0xa8/0x124)
[ 107.292900] [<c0412418>] (driver_register+0xa8/0x124) from [<c00087e8>] (do_one_initcall+0x138/0x168)
[ 107.302158] [<c00087e8>] (do_one_initcall+0x138/0x168) from [<c00b317c>] (load_module+0xd48/0xf70)
[ 107.311179] [<c00b317c>] (load_module+0xd48/0xf70) from [<c00b3784>] (SyS_finit_module+0x1d4/0x268)
[ 107.320259] [<c00b3784>] (SyS_finit_module+0x1d4/0x268) from [<c000e5e0>] (ret_fast_syscall+0x0/0x30)
[ 107.329495] ---[ end trace 493f33f26247f214 ]---
[ 107.334179] [ar0330]: fail to read out sensor ID.
[ 107.339461] soc-camera-pdrv soc-camera-pdrv.4: Probing soc-camera-pdrv.4
[ 107.555827] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x3c
[ 107.562420] AP1302 chip id = 0x0000
[ 107.565983] ap1302: probe of 2-003c failed with error -1
[ 107.571796] soc-camera-pdrv soc-camera-pdrv.5: Probing soc-camera-pdrv.5
[ 107.583630] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x3c
[ 107.590313] ov5640 2-003c: Failure to read Chip ID (high byte)
[ 107.596199] ov5640: probe of 2-003c failed with error -22
[ 107.602121] soc-camera-pdrv soc-camera-pdrv.6: Probing soc-camera-pdrv.6
[ 107.613748] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x3d
[ 107.620439] ov5640 2-003d: Failure to read Chip ID (high byte)
[ 107.626364] ov5640: probe of 2-003d failed with error -22
[ 107.632231] soc-camera-pdrv soc-camera-pdrv.7: Probing soc-camera-pdrv.7
[ 107.646514] tegra-i2c tegra12-i2c.2: no acknowledge from address 0xf
[ 107.653142] i2c_wr:write reg error:reg=4,val=0
[ 107.657794] tegra-i2c tegra12-i2c.2: no acknowledge from address 0xf
[ 107.664420] i2c_wr:write reg error:reg=8502,val=0
[ 107.669316] tegra-i2c tegra12-i2c.2: no acknowledge from address 0xf
[ 107.675790] tc358743_write_edid:write reg error:reg=8c00,val=8
[ 107.681655] tc358743_probe: Fail to write EDID to tc35874!
[ 107.687267] tegra-i2c tegra12-i2c.2: no acknowledge from address 0xf
[ 107.693802] i2c_wr:write reg error:reg=8544,val=0
[ 108.199097] tegra-i2c tegra12-i2c.2: no acknowledge from address 0xf
[ 108.205609] i2c_wr:write reg error:reg=8544,val=10
[ 108.210461] tc358743: probe of 2-000f failed with error -1
[ 108.216491] soc-camera-pdrv soc-camera-pdrv.8: Probing soc-camera-pdrv.8
[ 108.228129] tegra-i2c tegra12-i2c.0: no acknowledge from address 0xf
[ 108.234715] i2c_wr:write reg error:reg=4,val=0
[ 108.239441] tegra-i2c tegra12-i2c.0: no acknowledge from address 0xf
[ 108.245926] i2c_wr:write reg error:reg=8502,val=0
[ 108.250884] tegra-i2c tegra12-i2c.0: no acknowledge from address 0xf
[ 108.257365] tc358743_write_edid:write reg error:reg=8c00,val=8
[ 108.263256] tc358743_probe: Fail to write EDID to tc35874!
[ 108.268959] tegra-i2c tegra12-i2c.0: no acknowledge from address 0xf
[ 108.275487] i2c_wr:write reg error:reg=8544,val=0
[ 108.780704] tegra-i2c tegra12-i2c.0: no acknowledge from address 0xf
[ 108.787247] i2c_wr:write reg error:reg=8544,val=10
[ 108.792102] tc358743: probe of 0-000f failed with error -1
[ 108.798143] soc-camera-pdrv soc-camera-pdrv.9: Probing soc-camera-pdrv.9
[ 108.812525] probe, id=adv7280
[ 108.815601] adv7280 2-0020: chip found @ 0x40 (Tegra I2C adapter)
[ 108.821927] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.828589] adv7280 2-0020: ident reg is 0x87
[ 108.833182] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.850809] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.857469] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.864117] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.870820] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.877467] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.884114] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.890811] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.897458] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.904102] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.910833] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.917479] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.924123] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.930822] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.937469] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.944115] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.950849] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.957493] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x42
[ 108.964140] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x42
[ 108.970834] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x42
[ 108.977481] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 108.984125] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 108.990823] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 108.997467] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 109.004110] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 109.010803] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 109.017449] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 109.024088] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x44
[ 109.030852] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 109.037941] vi vi.0: Supporting mbus format code 0x2006 using YUV422 (UYVY) packed
[ 109.040359] vi vi.1: initialized
[ 109.048819] vi vi.0: Supporting mbus format code 0x2006 using YUV422 (VYUY) packed
[ 109.056473] vi vi.0: Supporting mbus format code 0x2006 using YUV422 (YUYV) packed
[ 109.064099] vi vi.0: Supporting mbus format code 0x2006 using YUV422 (YVYU) packed
[ 109.071704] vi vi.0: Supporting mbus format code 0x2006 using YUV420 (YU12) planar
[ 109.079296] vi vi.0: Supporting mbus format code 0x2006 using YVU420 (YV12) planar
[ 109.087453] vi vi.0: Tegra camera driver loaded.
[ 109.087481] soc-camera-pdrv soc-camera-pdrv.0: Probing soc-camera-pdrv.0
[ 109.100507] vi vi.1: Supporting mbus format code 0x100e using RGBA 8-8-8-8
[ 109.108045] soc-camera-pdrv soc-camera-pdrv.2: Probing soc-camera-pdrv.2
[ 109.121182] [ar0261]: sensor driver loading
[ 109.126327] [ar0261]: probing sensor.
[ 109.130250] ar0261_v4l2 2-0036: ar0261_regulator_get vdig ERR: -517
[ 109.136611] ar0261_v4l2 2-0036: ar0261_regulator_get vana ERR: -517
[ 109.143009] ar0261_v4l2 2-0036: ar0261_regulator_get vif ERR: -517
[ 109.149252] ar0261_v4l2 2-0036: ar0261_regulator_get avdd_af1_cam ERR: -517
[ 109.156291] ------------[ cut here ]------------
[ 109.160953] WARNING: at /media/cbueno/DATA/yocto/Toradex/oe-core/build/tmp-glibc/work-shared/apalis-tk1/kernel-source/drivers/media/i2c/soc_camera/ar0261_v4l2.c:806 ar0261_power_on+0x44/0x11c [ar0261_v4l2]()
[ 109.179404] Modules linked in: ar0261_v4l2 soc_camera_platform adv7280 tc358743 ap1302 ar0330_v4l2 imx135_v4l2 tegra_camera(+) ov5640 videobuf2_dma_contig joydev bluetooth gpio_apalis_tk1_k20 apalis_tk1_k20_can apalis_tk1_k20_adc apalis_tk1_k20_ts atmel_mxt_ts apalis_tk1_k20
[ 109.204266] CPU: 1 PID: 101 Comm: kworker/u8:3 Tainted: G W 3.10.40-2.8.4+gba29b06 #1
[ 109.213044] Workqueue: deferwq deferred_probe_work_func
[ 109.218339] [<c00154c8>] (unwind_backtrace+0x0/0x120) from [<c0012090>] (show_stack+0x18/0x1c)
[ 109.226989] [<c0012090>] (show_stack+0x18/0x1c) from [<c00584a0>] (warn_slowpath_common+0x54/0x74)
[ 109.235976] [<c00584a0>] (warn_slowpath_common+0x54/0x74) from [<c0058568>] (warn_slowpath_null+0x20/0x28)
[ 109.245656] [<c0058568>] (warn_slowpath_null+0x20/0x28) from [<bf0be344>] (ar0261_power_on+0x44/0x11c [ar0261_v4l2])
[ 109.256218] [<bf0be344>] (ar0261_power_on+0x44/0x11c [ar0261_v4l2]) from [<bf0be7d0>] (ar0261_probe+0x128/0x1fc [ar0261_v4l2])
[ 109.267638] [<bf0be7d0>] (ar0261_probe+0x128/0x1fc [ar0261_v4l2]) from [<c051f1e0>] (i2c_device_probe+0xac/0xf8)
[ 109.277848] [<c051f1e0>] (i2c_device_probe+0xac/0xf8) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 109.287443] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 109.297033] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 109.305927] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 109.314821] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c040f12c>] (device_add+0x3a8/0x588)
[ 109.323632] [<c040f12c>] (device_add+0x3a8/0x588) from [<c051d290>] (i2c_new_device+0x14c/0x1b4)
[ 109.332442] [<c051d290>] (i2c_new_device+0x14c/0x1b4) from [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8)
[ 109.342388] [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8) from [<c0537c24>] (soc_camera_host_register+0x384/0x7e8)
[ 109.353199] [<c0537c24>] (soc_camera_host_register+0x384/0x7e8) from [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera])
[ 109.364877] [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera]) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 109.376113] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 109.385700] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 109.394589] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 109.403484] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c04111a0>] (deferred_probe_work_func+0x94/0xb4)
[ 109.413341] [<c04111a0>] (deferred_probe_work_func+0x94/0xb4) from [<c0075518>] (process_one_work+0x278/0x3ec)
[ 109.423367] [<c0075518>] (process_one_work+0x278/0x3ec) from [<c00764cc>] (worker_thread+0x1b0/0x328)
[ 109.432606] [<c00764cc>] (worker_thread+0x1b0/0x328) from [<c007c1a4>] (kthread+0xc0/0xcc)
[ 109.440896] [<c007c1a4>] (kthread+0xc0/0xcc) from [<c000e678>] (ret_from_fork+0x14/0x20)
[ 109.449000] ---[ end trace 493f33f26247f215 ]---
[ 109.453773] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.460469] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.467112] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.473773] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.480441] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.487077] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.493714] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.500378] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.507012] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x36
[ 109.513551] [ar0261]: chip version 0x0000
[ 109.517585] [ar0261]: failed to read sensor id
[ 109.522079] ------------[ cut here ]------------
[ 109.526731] WARNING: at /media/cbueno/DATA/yocto/Toradex/oe-core/build/tmp-glibc/work-shared/apalis-tk1/kernel-source/drivers/media/i2c/soc_camera/ar0261_v4l2.c:858 ar0261_power_off+0x50/0xb0 [ar0261_v4l2]()
[ 109.545174] Modules linked in: ar0261_v4l2 soc_camera_platform adv7280 tc358743 ap1302 ar0330_v4l2 imx135_v4l2 tegra_camera(+) ov5640 videobuf2_dma_contig joydev bluetooth gpio_apalis_tk1_k20 apalis_tk1_k20_can apalis_tk1_k20_adc apalis_tk1_k20_ts atmel_mxt_ts apalis_tk1_k20
[ 109.570053] CPU: 0 PID: 101 Comm: kworker/u8:3 Tainted: G W 3.10.40-2.8.4+gba29b06 #1
[ 109.578769] Workqueue: deferwq deferred_probe_work_func
[ 109.584042] [<c00154c8>] (unwind_backtrace+0x0/0x120) from [<c0012090>] (show_stack+0x18/0x1c)
[ 109.592737] [<c0012090>] (show_stack+0x18/0x1c) from [<c00584a0>] (warn_slowpath_common+0x54/0x74)
[ 109.601732] [<c00584a0>] (warn_slowpath_common+0x54/0x74) from [<c0058568>] (warn_slowpath_null+0x20/0x28)
[ 109.611416] [<c0058568>] (warn_slowpath_null+0x20/0x28) from [<bf0be46c>] (ar0261_power_off+0x50/0xb0 [ar0261_v4l2])
[ 109.621994] [<bf0be46c>] (ar0261_power_off+0x50/0xb0 [ar0261_v4l2]) from [<bf0be83c>] (ar0261_probe+0x194/0x1fc [ar0261_v4l2])
[ 109.633413] [<bf0be83c>] (ar0261_probe+0x194/0x1fc [ar0261_v4l2]) from [<c051f1e0>] (i2c_device_probe+0xac/0xf8)
[ 109.643639] [<c051f1e0>] (i2c_device_probe+0xac/0xf8) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 109.653235] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 109.662885] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 109.672121] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 109.681155] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c040f12c>] (device_add+0x3a8/0x588)
[ 109.690078] [<c040f12c>] (device_add+0x3a8/0x588) from [<c051d290>] (i2c_new_device+0x14c/0x1b4)
[ 109.699007] [<c051d290>] (i2c_new_device+0x14c/0x1b4) from [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8)
[ 109.708987] [<c052f664>] (v4l2_i2c_new_subdev_board+0xe0/0xe8) from [<c0537c24>] (soc_camera_host_register+0x384/0x7e8)
[ 109.719861] [<c0537c24>] (soc_camera_host_register+0x384/0x7e8) from [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera])
[ 109.731676] [<bf094564>] (tegra_camera_probe+0x2d4/0x34c [tegra_camera]) from [<c04119d8>] (driver_probe_device+0x1d8/0x330)
[ 109.743431] [<c04119d8>] (driver_probe_device+0x1d8/0x330) from [<c040fe4c>] (bus_for_each_drv+0x8c/0x94)
[ 109.753060] [<c040fe4c>] (bus_for_each_drv+0x8c/0x94) from [<c0411790>] (device_attach+0x78/0x90)
[ 109.761993] [<c0411790>] (device_attach+0x78/0x90) from [<c0410c2c>] (bus_probe_device+0x30/0xa0)
[ 109.770970] [<c0410c2c>] (bus_probe_device+0x30/0xa0) from [<c04111a0>] (deferred_probe_work_func+0x94/0xb4)
[ 109.781246] [<c04111a0>] (deferred_probe_work_func+0x94/0xb4) from [<c0075518>] (process_one_work+0x278/0x3ec)
[ 109.791655] [<c0075518>] (process_one_work+0x278/0x3ec) from [<c00764cc>] (worker_thread+0x1b0/0x328)
[ 109.800975] [<c00764cc>] (worker_thread+0x1b0/0x328) from [<c007c1a4>] (kthread+0xc0/0xcc)
[ 109.809285] [<c007c1a4>] (kthread+0xc0/0xcc) from [<c000e678>] (ret_from_fork+0x14/0x20)
[ 109.817394] ---[ end trace 493f33f26247f216 ]---
[ 109.822046] [ar0261]: fail to read out sensor ID.
[ 109.827903] vi vi.1: Tegra camera driver loaded.
[ 109.829069] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
[ 109.829304] tegra-i2c tegra12-i2c.2: no acknowledge from address 0x20
More information:
root@apalis-tk1:~# modinfo tegra_camera
filename: /lib/modules/3.10.40-2.8.4+gba29b06/kernel/drivers/media/platform/soc_camera/tegra_camera/tegra_camera.ko
alias: nvhost:vi
license: GPL v2
author: Bryan Wu <pengw@nvidia.com>
description: TEGRA SoC Camera Host driver
srcversion: 070FB3127EC8C5DFB667DC7
depends: videobuf2-dma-contig
intree: Y
vermagic: 3.10.40-2.8.4+gba29b06 SMP preempt mod_unload modversions ARMv7 p2v8
parm: tpg_mode:int
root@apalis-tk1:~# modinfo ov5640
filename: /lib/modules/3.10.40-2.8.4+gba29b06/kernel/drivers/media/i2c/soc_camera/ov5640.ko
license: GPL v2
author: Andrew Chew <achew@nvidia.com>
description: SoC Camera driver for OmniVision OV5640
srcversion: 71EBC807674BA4246EA9C9E
alias: i2c:ov5640
depends:
intree: Y
vermagic: 3.10.40-2.8.4+gba29b06 SMP preempt mod_unload modversions ARMv7 p2v8
parm: test_pattern:int
root@apalis-tk1:~# modinfo videobuf2-dma-contig
filename: /lib/modules/3.10.40-2.8.4+gba29b06/kernel/drivers/media/v4l2-core/videobuf2-dma-contig.ko
license: GPL
author: Pawel Osciak <pawel@osciak.com>
description: DMA-contig memory handling routines for videobuf2
srcversion: 5A363D7E70057C20615BE0B
depends:
intree: Y
vermagic: 3.10.40-2.8.4+gba29b06 SMP preempt mod_unload modversions ARMv7 p2v8
I followed this article:
And I applied this change in device-tree.
Cleiton Bueno
