Hi Jean
> This is a typical output when the SMBus is stuck. Reads will return
-1,
> which is then misinterpreted as 0xff and results in the output above.
> Side notes:
> 1* You should check your code for fan clock dividers. It is very
> suspicious that you get different values and some of them are NOT
> possible divider values.
I modified the w83792d_fan_div() and w83792d_fan() in my 792 driver,
which
is similar with the corresponding functions in CVS w83781d.c now, but it
does NOT work either. I'm a little discouraged about the problem we meet
:-(
Quoting myself:
> > 1. I will send you the updated 792 driver patch right after this
problem
> > being fixed.
> Great :)
I think I need several days before I send you the new 792 driver patch,
because I need further consideration to the function w83792d_fan_div()
and w83792d_fan().
My w83792d_fan_div() and w83792d_fan() is a little different with the
functions
in w83781d driver, I use a "do { ... } while (0)" loop in w83792d_fan()
in order
to adjust the fan divisor automatically. I wrote these codes with the
reference
to our windows driver. I think you can understand our idea because you
read
the 792 driver source code.
Although these functions can work on my motherboard ASUS PSCH-SR, I'm
still
afraid that whether there will be some hidden trouble in the future,
because the
"do...while" loop's condition is fixed into "0", and writing values into
registers take some time in SMBus.
These functions in w83781d driver for LINUX-2.6 seem good, maybe I
should use
them. Do you have any suggestion about it?
Need I keep the original w83792d_fan_div() and w83792d_fan() functions I
sent
you?
Thanks
Best Regards
Chunhao
2005-03-03
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