Re: Kernel errors for dme1737

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On 02/12/2014 03:07 AM, Jürgen Fuchsberger wrote:
i2cdump.txt


      0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
20: 36 00 c0 3a c4 80 27 80 ff ff ff ff ff ff ff ff    6.?:??'?........
30: ff ff ff 00 00 00 00 00 00 00 00 00 00 00 5c 8a    ..............\?
40: 0f db c0 20 ad d3 00 ff ad d3 ad d3 ad d3 81 7f    ??? ??..????????
50: 81 7f 81 7f ff ff ff ff ff ff ff ff 62 62 62 cb    ????........bbb?
60: cb cb e0 00 80 80 80 80 80 80 64 64 64 44 40 00    ???.??????dddD@.
70: ff ff ff 09 09 09 09 09 09 00 00 00 40 00 ec 10    ...??????...@.??
80: 7e a4 0e 00 d3 00 87 74 e0 00 4d 4d 0b 0b 0d 00    ~??.?.?t?.MM???.
90: 04 04 04 04 0c 0c 0c 5a f1 c0 af ad d3 9d c0 00    ???????Z???????.
a0: 00 00 0c 00 02 ff ff 0b 0b fe ff fe ff ff ff ff    ..?.?..???.?....
b0: ff 00 00 00 00 00 28 28 0e 0e 0f 0f 00 00 00 00    ......((????....
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................

That looks normal for the chip as far as I can see, and there are
no errors.

Wonder if the chip may have timing restrictions and not respond
to queries under some circumstances (eg if registers are read
too quickly back-to-back). Unfortunately I don't seem to be able
to find a datasheet for it. Does anyone have one, by any chance ?

Thanks,
Guenter


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