lkml.org 
[lkml]   [2006]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/1 Re] drivers: add lcd display support
Ack, thank you for your review!

On 9/19/06, Pavel Machek <pavel@ucw.cz> wrote:
> Hi!
>
> > Please tell me if you agree.
> >
> > Adds LCD Display support.
> > Adds ks0108 LCD controller support.
> > Adds cfag12864b LCD display support.
> >
> > Signed-off-by: Miguel Ojeda Sandonis <maxextreme@gmail.com>
>
>
> > diff -uprN -X linux-2.6.18-rc7/Documentation/dontdiff linux-2.6.18-rc7-vanilla/drivers/lcddisplay/cfag12864b.c linux-2.6.18-rc7/drivers/lcddisplay/cfag12864b.c
> > --- linux-2.6.18-rc7-vanilla/drivers/lcddisplay/cfag12864b.c 1970-01-01 01:00:00.000000000 +0100
> > +++ linux-2.6.18-rc7/drivers/lcddisplay/cfag12864b.c 2006-09-13 05:03:29.000000000 +0200
> > @@ -0,0 +1,558 @@
> > +/*
> > + * Filename: cfag12864b.c
> > + * Version: 0.1.0
> > + * Description: cfag12864b LCD Display Driver
> > + * License: GPL
>
> v2 or v2 and later?
>
> > +static const unsigned int cfag12864b_firstminor = 0;
>
> No need to initialize to zero.
>
> > +static const unsigned int cfag12864b_ndevices = 1;
> > +static const char * cfag12864b_name = NAME;
> ~- kill this space.
>
> > +#define bit(n) ((unsigned char)(1<<(n)))
> > +#define nobit(n) ((unsigned char)(~bit(n)))
>
> Uh? We have generic functions for this.
>
> > +static unsigned char cfag12864b_state = 0;
>
> No zeros.
>
> > +static void cfag12864b_e(unsigned char state)
> > +{
> > + if(state)
> ~ missing space.
>
> > + cfag12864b_state |= bit(0);
> > + else
> > + cfag12864b_state &= nobit(0);
> > + cfag12864b_set();
>
> This repeats few times, perhaps you could create helper for that?
> > +static void cfag12864b_secondcontroller(unsigned char state)
> > +{
> > + if(state)
> > + cfag12864b_cs2(0);
> > + else
> > + cfag12864b_cs2(1);
> > +}
>
> Is this needed?
>
> > + /*if(address != tmpaddress) {
> > + address = tmpaddress;
> > + cfag12864b_address(address);
> > + cfag12864b_nop();
> > + }*/
> > +
> > + /*if(tmpcontroller == 0) {
> > + if(address != tmpaddress) {
> > + address = tmpaddress;
> > + cfag12864b_address(address);
> > + }
> > + }
> > + else {
> > + cfag12864b_address(tmpaddress);
> > + cfag12864b_nop();
> > + }*/
>
> Remove unused code, do not comment it out.
> Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-09-20 00:11    [W:0.064 / U:9.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site