On Tue, 2013-12-17 at 13:51 +0000, Lee Jones wrote:
> > Add symbols for hard-coded values of BUCK_RAMP field in DVS_RAMP
> > register. This simplifies a little the code as register update is called
> > only once.
> >
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
> > Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> > Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> > ---
> > drivers/regulator/s5m8767.c | 22 ++++++++++------------
> > include/linux/mfd/samsung/s5m8767.h | 15 +++++++++++++++
> > 2 files changed, 25 insertions(+), 12 deletions(-)
>
> <snip>
>
> > diff --git a/include/linux/mfd/samsung/s5m8767.h b/include/linux/mfd/samsung/s5m8767.h
> > index 9198377ee859..2ab0b0f03641 100644
> > --- a/include/linux/mfd/samsung/s5m8767.h
> > +++ b/include/linux/mfd/samsung/s5m8767.h
> > @@ -186,4 +186,19 @@ enum s5m8767_regulators {
> > #define S5M8767_ENCTRL_SHIFT 6
> > #define S5M8767_ENCTRL_MASK (0x3 << S5M8767_ENCTRL_SHIFT)
> >
> > +/*
> > + * Values for BUCK_RAMP field in DVS_RAMP register, matching raw values
> > + * in mV/us.
> > + */
> > +enum s5m8767_dvs_buck_ramp_values {
> > + S5M8767_DVS_BUCK_RAMP_5 = 0x4,
> > + S5M8767_DVS_BUCK_RAMP_10 = 0x9,
> > + S5M8767_DVS_BUCK_RAMP_12_5 = 0xb,
> > + S5M8767_DVS_BUCK_RAMP_25 = 0xd,
> > + S5M8767_DVS_BUCK_RAMP_50 = 0xe,
> > + S5M8767_DVS_BUCK_RAMP_100 = 0xf,
> > +};
>
> Why do these have to be enums?
There is no special need. I chose enum because it is a kind of
enumeration of all valid values for BUCK_RAMP field (valid according to
datasheet). If you prefer #define then I'll change it.
Best regards,
Krzysztof
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