On Mon, 15 Jun 2009 09:43:39 +0200, Andre Prendel wrote: > This patch adds documentation for driver tmp421. > > Signed-off-by: Andre Prendel <andre.prendel at gmx.de> > --- > tmp421 | 36 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+) > > Index: linux-2.6/Documentation/hwmon/tmp421 > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/Documentation/hwmon/tmp421 2009-06-11 21:50:46.000000000 +0200 > @@ -0,0 +1,36 @@ > +Kernel driver tmp421 > +==================== > + > +Supported chips: > + * Texas Instruments TMP421 > + Prefix: 'tmp421' > + Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f > + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html > + * Texas Instruments TMP422 > + Prefix: 'tmp422' > + Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f > + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html > + * Texas Instruments TMP423 > + Prefix: 'tmp423' > + Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f > + Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html > + > +Authors: > + Andre Prendel <andre.prendel at gmx.de> > + > +Description > +----------- > + > +This driver implements support for Texas Instruments TMP421, TMP422 > +and TMP423 temperature sensor chips. These chips implements one local Spelling: implement. > +and up to one (TMP421), up to two (TMP422) or up to three (TMP423) > +remote sensors. Temperature is measured in degrees Celsius. The chips > +are wired over I2C/SMBus and specified over a temperature range of > +-40?C to +125?C. Resolution for both the local and remote channels is > +0.0625?C. The degree symbol is not ASCII, I'd suggest spelling it "degree C" to avoid charset headaches. > + > +The chips supports only temperature measurement and exports these Spelling: support. Also, the drivers exports the values to sysfs, not the chips. > +values via following sysfs-interface: > + > +temp[1-4]_input > +temp[2-4]_fault Maybe you could add a section explaining that not all possible addresses are probed by default, why and how to work around it if needed. -- Jean Delvare
