Re: Standalone driver for W83677HG-I, NCT6775F, NCT6776F

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On Mon, Feb 7, 2011 at 2:33 AM, Jean Delvare <khali@xxxxxxxxxxxx> wrote:
> On Sun, 6 Feb 2011 20:50:05 -0800, Guenter Roeck wrote:
>> On Sun, Feb 06, 2011 at 10:50:02PM -0500, Andy Lutomirski wrote:
>> > On 02/05/2011 12:58 PM, Guenter Roeck wrote:
>> > > Hi,
>> > >
>> > > a standalone driver for W83667HG-I (NCT6771F, NCT6775F) and NCT6776F
>> > > is available for testing at http://roeck-us.net/linux/drivers/w83627ehf/.
>> > >
>> > > Please test and let me know if there are any problems.
>> >
>> > It appears to mostly work on an Intel DH67GD (nct6775).  There are two
>> > issues:
>> >
>> > 1. The first time I ran 'sensors', my CPU fan showed 0 RPM instead of
>> > the correct value (~134).  Running it again shows the correct value.
>> >
>> If you check the log, you might see a notice that the fan divisors were modified.
>> Can you check ?

Yes, I got a message.  dmesg shows:

[51676.259546] w83627ehf: Found NCT6775 chip at 0x290
[51678.246682] w83627ehf w83627ehf.656: Increasing fan2 clock divider
from 32 to 64

The second line happens on the first call to 'sensors'.  Rebooting
triggers it again, but rmmod/insmod does not.

Should the driver just fix up the divisors on load instead of on first read?

I'm happy to test patches (especially for fan control) on my board.

--Andy

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