platform/x86: dell-ddv: Fix temperature scaling

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After using the built-in UEFI hardware diagnostics to compare
the measured battery temperature, i noticed that the temperature
is actually expressed in tenth degree kelvin, similar to the
SBS-Data standard. For example, a value of 2992 is displayed as
26 degrees celsius.
Fix the scaling so that the correct values are being displayed.

Tested on a Dell Inspiron 3505.

Fixes: a77272c160 ("platform/x86: dell: Add new dell-wmi-ddv driver")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20230218115318.20662-2-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>

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Armin Wolf 2023-02-18 12:53:18 +01:00 • committed by Hans de Goede

parent 001f61c468

commit 0331b1b0ba

1 changed files with 2 additions and 2 deletions

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drivers/platform/x86/dell/dell-wmi-ddv.c

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