Re: Need help debugging Sony Vaio VPCY2 backlight control problem

Michel Alexandre Salim
2011-07-04T08:48:33Z

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On 07/04/2011 10:46 AM, Michel Alexandre Salim wrote:
> Here are the ectool dumps, before setting any brightness (backlight=0),
> after setting it to 5, and after setting it to 3, plus the typescript
> log of the commands issued and the sysfs readings.
>
> I then set brightness back to 0 (ec-after3.txt) -- didn't log the
> keyboard interactions because it's the same (value for brightness
> concurs with what is set, but actual_brightness is still -1)
>
> Let me know if you need anything else. Once we can at least pinpoint the
> problem to the right subsystem, I'll add these attachments to the
> correct bug report.
>
> Thanks,
>
And here's the last dump file, forgot to attach it earlier.

Thanks,

--
Michel Alexandre Salim

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EC RAM:

00: 00 20 00 00 00 00 00 00 00 00 00 50 00 00 00 30
10: 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 00 00 00 00 00 00 00 00 00 00 00 f4 00 00 00 00
50: c1 07 03 07 03 c4 00 00 00 01 00 00 07 00 00 00
60: 80 80 00 00 00 00 00 0b d7 95 07 8f 65 55 39 f5
70: 62 03 04 00 88 61 00 00 01 01 00 00 00 00 00 00
80: 04 08 08 08 ff 00 00 ff 0b 00 00 06 00 00 00 00
90: 00 00 00 04 7e 7c 00 00 00 a1 00 00 00 00 03 0a
a0: 83 80 80 80 80 80 80 80 2d 27 28 00 32 3b 11 00
b0: 80 80 00 00 00 00 00 00 1b 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 64 67 57 5a 00 00 00 7e 00 00 00 00 1d 00 00 00
e0: 3c 14 a2 14 62 00 a6 00 9e 30 01 80 a0 00 bf 0b
f0: 30 57 2e 30 32 53 4e 2e 4b 30 2e 31 34 20 00 00

Not dumping EC IDX RAM.