Commit a1fdcb96 authored by Juerg Haefliger's avatar Juerg Haefliger Committed by Greg Kroah-Hartman
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vt1211: Document module parameters



vt1211: Document module parameters

Add a description of the module parameters to the documentation of
the vt1211 driver.
Signed-off-by: default avatarJuerg Haefliger <juergh@gmail.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 61d0b533
......@@ -16,6 +16,26 @@ Thanks to Joseph Chan and Fiona Gatt from VIA for providing documentation and
technical support.
Module Parameters
-----------------
* uch_config: int Override the BIOS default universal channel (UCH)
configuration for channels 1-5.
Legal values are in the range of 0-31. Bit 0 maps to
UCH1, bit 1 maps to UCH2 and so on. Setting a bit to 1
enables the thermal input of that particular UCH and
setting a bit to 0 enables the voltage input.
* int_mode: int Override the BIOS default temperature interrupt mode.
The only possible value is 0 which forces interrupt
mode 0. In this mode, any pending interrupt is cleared
when the status register is read but is regenerated as
long as the temperature stays above the hysteresis
limit.
Be aware that overriding BIOS defaults might cause some unwanted side effects!
Description
-----------
......@@ -88,9 +108,7 @@ has a high limit which triggers an alarm if crossed. There is an associated
hysteresis value with each temperature below which the temperature has to drop
before the alarm is cleared (this is only true for interrupt mode 0). The
interrupt mode can be forced to 0 in case the BIOS doesn't do it
automatically. For that, the parameter int_mode=0 needs to be supplied when
loading the driver module. Be aware that overriding BIOS defaults might cause
some unwanted side effects!
automatically. See the 'Module Parameters' section for details.
All temperature channels except temp2 are external. Temp2 is the VT1211
internal thermal diode and the driver does all the scaling for temp2 and
......
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