On Wed, 24 Jun 2009 18:18:34 +0400, Anton Vorontsov wrote: > On Wed, Jun 17, 2009 at 11:09:08AM +0200, Jean Delvare wrote: > > Hi Ryan, > > > > On Tue, 16 Jun 2009 16:17:35 +1200, Ryan Mallon wrote: > > > Add support for the the ds2782 standalone I2C gas-gauge. > > > > > > Signed-off-by: Ryan Mallon <ryan@xxxxxxxxxxxxxxxx> > > > > I suggest you send this patch to the maintainers of the power supply > > subsystem for review: Anton Vorontsov and David Woodhouse (Cc'd.) > > Thanks for Cc'ing and for the review, Jean. You're welcome. > [...] > > > +static int ds2782_get_temp(struct ds2782_info *info) > > > +{ > > > + u16 raw; > > > + s16 temp; > > > + > > > + /* Temperature is measured in units of 0.125 degrees celcius */ > > > + raw = ds2782_read_reg16(info, DS2782_REG_TEMP_MSB); > > > + temp = (raw >> 5) & 0x7ff; > > > + if (raw & (1 << 15)) > > > + temp |= 0xf800; > > > + return (temp * 125) / 100; > > > +} > > > > I don't know if the power supply class has a standard to reporting > > temperature values, but the hwmon class does, and it says that > > temperatures should be reported in millidegrees C. That's not what you > > do here AFAICS. It might be convenient to register a hwmon class device > > and export the temperature there, so that libsensors picks it. > > Hwmon feels like a good idea. But no, drivers should not bother > with registering hwmon classes. Instead, some day we might want to > create power_supply_hwmon.c interface (like _sysfs.c that we have > already), the interface would register all needed stuff. And all > drivers will benefit right away without any modifications. Sounds like a very good plan indeed. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html