On Fri, Jun 05, 2015 at 10:17:58AM -0700, Joe Perches wrote:
> On Fri, 2015-06-05 at 09:49 -0700, Dmitry Torokhov wrote:
> > Hi Irina,
> > 
> > On Thu, May 28, 2015 at 03:47:37PM +0300, Irina Tirdea wrote:
> > > Fix alignment to match open parenthesis detected by
> > > running checkpatch.pl --strict.
> > 
> > Mixed bag of changes here, but that's checkpatch for you.
> 
> Yup,
> 
> checkpatch output is definitely a mix of automated
> semi-competence and brain-deadness.
> 
> > > diff --git a/drivers/input/touchscreen/goodix.c 
> > > b/drivers/input/touchscreen/goodix.c
> []
> > > @@ -112,7 +112,7 @@ static int goodix_ts_read_input_report(struct 
> > > goodix_ts_data *ts, u8 *data)
> > >           data += 1 + GOODIX_CONTACT_SIZE;
> > >           error = goodix_i2c_read(ts->client,
> > >                                   GOODIX_READ_COOR_ADDR +
> > > -                                         1 + GOODIX_CONTACT_SIZE,
> > > +                                 1 + GOODIX_CONTACT_SIZE,
> > 
> > Bad - makes 1 + GOODIX_CONTACT_SIZE look like extra argument, not
> > continuation of expression.
> 
> <shrug>  There's no great way to do this.
> 
> Parentheses around the longer expression work.
> 
>               error = goodix_i2c_read(ts->client,
>                                       (GOODIX_READ_COOR_ADDR +
>                                        1 + GOODIX_CONTACT_SIZE),
> 
> Exceeding 80 columns may be better.
> Leaving it alone would be OK too.
> 
> Maybe starting with 1 to be more similar
> to the below would be better.
> 
> > > @@ -157,7 +157,8 @@ static void goodix_process_events(struct 
> > > goodix_ts_data *ts)
> > >  
> > >   for (i = 0; i < touch_num; i++)
> > >           goodix_ts_report_touch(ts,
> > > -                         &point_data[1 + GOODIX_CONTACT_SIZE * i]);
> > > +                                &point_data[1 +
> > > +                                GOODIX_CONTACT_SIZE * i]);
> > 
> > No, this is plain ugly.
> 
> Sometimes it's better to exceed 80 columns or
> maybe use temporaries.  Something like:

Or not aligning the arguments (when it makes sense).

Thankfully we are not using FORTRAN, COBOL or even Python here.

Thanks.

-- 
Dmitry
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