[lm-sensors] [PATCH] hwmon: lm63: Add support for the NatSemi LM96163.
guenter.roeck at ericsson.com
Wed Nov 9 18:42:16 CET 2011
On Tue, 2011-11-08 at 02:30 -0500, Thierry Reding wrote:
> * Guenter Roeck wrote:
> > Hi,
> > On Mon, 2011-11-07 at 05:20 -0500, Thierry Reding wrote:
> > > Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
> > > ---
> > > drivers/hwmon/lm63.c | 2 +-
> > > 1 files changed, 1 insertions(+), 1 deletions(-)
> > >
> > > diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c
> > > index 508cb29..94e373c 100644
> > > --- a/drivers/hwmon/lm63.c
> > > +++ b/drivers/hwmon/lm63.c
> > > @@ -483,7 +483,7 @@ static int lm63_detect(struct i2c_client *new_client,
> > > return -ENODEV;
> > > }
> > >
> > > - if (chip_id == 0x41 && address == 0x4c)
> > > + if ((chip_id == 0x41 || chip_id == 0x49) && address == 0x4c)
> > > strlcpy(info->type, "lm63", I2C_NAME_SIZE);
> > > else if (chip_id == 0x51 && (address == 0x18 || address == 0x4e))
> > > strlcpy(info->type, "lm64", I2C_NAME_SIZE);
> > Minor - the new chip should be mentioned in drivers/hwmon/Kconfig and in
> > Documentation/hwmon/lm63.
> I don't see how to list this variant meaningfully in the documentation.
> Since, as you mention, no functionality specific to the LM96163 is added,
> this patch really only adds support for one more lm63 chip.
> > My main concern is that LM96163 supports a high resolution PWM mode.
> > Since that mode is much more convenient than the LM63-compatible mode, I
> > think it is likely to be enabled in designs using LM96163, and it should
> > be supported by the driver if we add support for LM96163.
> Unfortunately our design doesn't use the PWM at all. It is only used for
> temperature measurements, so I'm not able to test any of the PWM code.
I requested samples for both LM63 and LM96163, so I should be able to
test that part.
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