diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/chips/via686a.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c index 137d9b7cacd..164d4794839 100644 --- a/drivers/i2c/chips/via686a.c +++ b/drivers/i2c/chips/via686a.c @@ -1,9 +1,9 @@ /* via686a.c - Part of lm_sensors, Linux kernel modules - for hardware monitoring + for hardware monitoring Copyright (c) 1998 - 2002 Frodo Looijaard <frodol@dds.nl>, - Kyösti Mälkki <kmalkki@cc.hut.fi>, + Kyösti Mälkki <kmalkki@cc.hut.fi>, Mark Studebaker <mdsxyz123@yahoo.com>, and Bob Dougherty <bobd@stanford.edu> (Some conversion-factor data were contributed by Jonathan Teh Soon Yew @@ -171,18 +171,18 @@ static inline u8 FAN_TO_REG(long rpm, int div) /******** TEMP CONVERSIONS (Bob Dougherty) *********/ /* linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew) if(temp<169) - return double(temp)*0.427-32.08; + return double(temp)*0.427-32.08; else if(temp>=169 && temp<=202) - return double(temp)*0.582-58.16; + return double(temp)*0.582-58.16; else - return double(temp)*0.924-127.33; + return double(temp)*0.924-127.33; A fifth-order polynomial fits the unofficial data (provided by Alex van Kaam <darkside@chello.nl>) a bit better. It also give more reasonable numbers on my machine (ie. they agree with what my BIOS tells me). Here's the fifth-order fit to the 8-bit data: temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 - - 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0. + 2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0. (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for finding my typos in this formula!) |