On 17/03/15 10:40, Isak Lichtenstein wrote:
>
> Hi everybody,
>
> I've started using the TI-am335x-adc driver in continuous mode on our custom board with AM3359 and yocto-linux-standard 3.17 and get a weird behavior when testing it using generic_buffer.c
>
> Every now and then channel 0 seems to contain the value of channel 1, see the attached output of the following command: ./genericBuffer -n TI-am335x-adc -l 128 -c 100 ( I've added tabs to make it more readable).
>
>
> Is this a driver bug ( maybe already patched after 3.17 ), or is my board not properly configured?
>
> I'm not using the TSC and my device tree is configured as follows:
>
> #include "am33xx.dtsi"
>
> &tscadc {
> status = "okay";
> /*
> tsc {
> ti,wires = <4>;
> ti,x-plate-resistance = <200>;
> ti,coordinate-readouts = <5>;
> ti,wire-config = <0x00 0x11 0x22 0x33>;
> };
> */
>
> adc {
> ti,adc-channels = <0 1 2 3 4 5 6 7>;
> };
> };
>
>
> Thanks in advance for your advice.
>
> Best regards
>
> Isak Lichtenstein
>
Zubair, any thought on this?
(or anyone else for that matter!)
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