[lm-sensors] [PATCH] hwmon: (it87) Fix fan tachometer reading in IT8712F rev 0x7 (I)

Frank Myhr fmyhr at fhmtech.com
Wed Sep 17 15:50:06 CEST 2008

Andrew Paprocki <andrew <at> ishiboo.com> writes:
> The IT8712F v0.9.1 datasheet applies to revisions >= 0x8 (J).
> The driver was incorrectly attempting to enable 16-bit fan
> readings on rev 0x7 (I) which led to incorrect RPM values.
> Signed-off-by: Andrew Paprocki <andrew <at> ishiboo.com>
> Tested-by: John Gumb <john.gumb <at> tandberg.com>

The IT8712F v0.81 datasheet appears to apply to rev 0x7 (I),
and shows 16-bit fan tachs. But John's experience seems to
indicate that the datasheet is in error.

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