1.\" $OpenBSD: fintek.4,v 1.7 2013/07/16 16:05:48 schwarze Exp $ 2.\" 3.\" Copyright (c) 2005 Theo de Raadt <deraadt@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: July 16 2013 $ 18.Dt FINTEK 4 19.Os 20.Sh NAME 21.Nm fintek 22.Nd Fintek F75375 temperature sensor 23.Sh SYNOPSIS 24.Cd "fintek* at iic? flags 0x0000" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the Fintek F75375 temperature sensor 29and fan controller. 30The sensor possesses a collection of sensor values which are 31made available through the 32.Xr sysctl 8 33interface: 34.Bd -literal -offset indent 35$ sysctl hw.sensors.fintek0 36hw.sensors.fintek0.temp0=31.00 degC 37hw.sensors.fintek0.temp1=29.00 degC 38hw.sensors.fintek0.fan0=0 RPM 39hw.sensors.fintek0.fan1=0 RPM 40hw.sensors.fintek0.volt0=1.72 V DC (VCC) 41hw.sensors.fintek0.volt1=1.34 V DC 42hw.sensors.fintek0.volt2=1.73 V DC 43hw.sensors.fintek0.volt3=0.90 V DC 44.Ed 45.Pp 46On some machines the fans will not function properly with the chip in 47default mode. 48Setting 49.Cm flags 50to 0x0001 will make the fans run at full speed to prevent overheating. 51.Sh SEE ALSO 52.Xr iic 4 , 53.Xr intro 4 , 54.Xr sensorsd 8 , 55.Xr sysctl 8 56.Sh HISTORY 57The 58.Nm 59driver first appeared in 60.Ox 4.0 . 61.Sh AUTHORS 62.An -nosplit 63The 64.Nm 65driver was written by 66.An Dale Rahn Aq Mt drahn@openbsd.org . 67