[PATCH 06/14] leds: mt6370: Add Mediatek MT6370 Indicator support

[ChiYuan Huang]

Andy Shevchenko <andy.shevchenko at gmail.com> 於 2022年6月2日 週四 下午5:18寫道：
>
> On Thu, Jun 2, 2022 at 8:27 AM ChiYuan Huang <u0084500 at gmail.com> wrote:
> > On Wed, Jun 01, 2022 at 11:48:58AM +0200, Andy Shevchenko wrote:
> > > On Tue, May 31, 2022 at 1:16 PM ChiaEn Wu <peterwu.pub at gmail.com> wrote:
>
> ...
>
> > > What indicator?
> > It's RGB curent sink type LED driver (maximum supported current is only 24mA).
>
> Make your commit messages a slightly more verbose.
>
OK, will refine the commit message in next.
> ...
>
> > > > +#include <linux/of.h>
> > >
> > > Are you sure this is the correct header? Seems you need
> > > mod_devicetable.h instead.
> > >
> > It's the correct header and be used for the struct 'of_device_id'.
>
> Nope. Run the following command
> $ git grep -n 'struct of_device_id {' -- include/linux/
>
Got it, thanks.
> ...
>
> > > > +struct mt6370_priv {
> > > > +       struct mutex lock;
> > >
> > > Do you use regmap locking?
> > >
> > MFD regmap register already the access lock.
> >
> > This lock is just to guarantee only one user can access the RGB register
> > part.
> >
> > Sorry, from the comment, do you want us to rename or remove this lock?
>
> My point is, since you have two locks, explain why you need each of them.
>
OK, will leave a comment line to explain the usage of this lock.
> > > > +       struct device *dev;
> > >
> > > > +       struct regmap *regmap;
> > >
> > > > +       struct regmap_field *fields[F_MAX_FIELDS];
> > > > +       const struct reg_field *reg_fields;
> > > > +       const struct linear_range *ranges;
> > > > +       struct reg_cfg *reg_cfgs;
> > > > +       unsigned int leds_count;
> > > > +       unsigned int leds_active;
> > > > +       bool is_mt6372;
> > > > +       struct mt6370_led leds[];
> > > > +};
>
>
> --
> With Best Regards,
> Andy Shevchenko