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s5k4ec camera is not working

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Posted at 11/28/2017 10:49:01     
Hi , I have a problem in CIF camera.
I can't start camera application,  dmesg is bellow

rk818_ldo8peration not allowed
rk818_ldo4peration not allowed
s5k4ec_back_3(rk_cam_sensor:1228): generic_sensor_ioctl cmd(0x3) is unknown !

I tried sudo but same.
I probed the camera pin, no power supply,
I think rk818 ldo swtich is not working, how can i fix it?
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Posted at 12/4/2017 10:08:41     
u need to patch that patch link
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Posted at 12/13/2017 12:32:46     
leung先森 Posted at 12/4/2017 10:08
u need to patch that patch link

Hi
I did patch kernel source and reinstall kernel, But It dosen't work

I think something problem in PMIC control

what can i do for it?
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Posted at 12/14/2017 09:28:17     
thepthep Posted at 12/13/2017 12:32
Hi
I did patch kernel source and reinstall kernel, But It dosen't work

First , u need to confirm the driver of s5k4ec is fine .
Use it under the android , if it is okay . Then , patch up the link above .
Follow the officail wiki "linux chapter" to complie.
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Posted at 12/14/2017 10:39:39     
leung先森 Posted at 12/14/2017 09:28
First , u need to confirm the driver of s5k4ec is fine .
Use it under the android , if it is oka ...

Oh..  It works with android.
And I checked same message appear  in android but it works....
I think that message means Camera is not working.
So, I will check linux camera application and driver  one more time.

Thank you for your help


android Log
s5k4ec_back_3(rk_cam_sensor:1228): generic_sensor_ioctl cmd(0x3) is unknown !
[   88.339230]
[   88.446334] Cam_Powerdowm
[   88.446473] rk818_ldo8: operation not allowed
[   88.518921] rk818_ldo4: operation not allowed
[   88.564433] ret: 0
[   93.085295] s5k4ec_back_3(rk_cam_sensor:1087): v4l2_ext_control id(0x9a0933) is invalidate
[   93.085650] s5k4ec_back_3(rk_cam_sensor:1035): v4l2_control id(0x980911) is invalidate
[   93.829128] rk_camera_s_stream:stream enable CIF_CIF_CTRL 0xf001
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Posted at 12/21/2017 15:18:25     
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