Hi, John.
Could you teach me how to disable touchscreen driver?
should I delete the "cape-bone-lcd3-00A0.dtbo" under /lib/firmware  ?
or should I modify "am335x-bone.dtb" under /boot ?


> From: <[email protected] <javascript:>>
> Reply-To: <[email protected] <javascript:>>
> Date: Tuesday, June 10, 2014 at 2:10 AM
> To: <[email protected] <javascript:>>
> Subject: [beagleboard] beaglebone ADC AIN0 AIN2 AIN3 cannot be used?
>
>
> I used beaglebone white to implement ADC.
> However, when I use a signal generator and oscilloscope to see the input 
> wave, 
> There is always 1.8V in AIN0 , and always 0V in AIN2 and AIN3, but it is 
> correct when I use AIN1 4 5 6,
> Could anyone help me?
>
> Disable the touchscreen driver.
>
> Regards,
> John
>
>
>
> does that adc internal resistance cause it? Or how should I modify 
> ADC-related files to get correct signal?
>
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