linux-kernel - Re: [PATCHv4 07/10] fbdev: ssd1307fb: Add a module parameter to set the refresh rate

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Date:	Fri, 20 Mar 2015 22:16:50 +0100
From:	Thomas Niederprüm <niederp@...sik.uni-kl.de>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	plagnioj@...osoft.com, tomi.valkeinen@...com,
	kernel@...gutronix.de, shawn.guo@...aro.org, robh+dt@...nel.org,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4 07/10] fbdev: ssd1307fb: Add a module parameter to set
 the refresh rate

Am Thu, 19 Mar 2015 14:18:24 +0100
schrieb Maxime Ripard <maxime.ripard@...e-electrons.com>:

> On Mon, Mar 16, 2015 at 06:11:55PM +0100, Thomas Niederprüm wrote:
> > This patch adds the module parameter "refreshrate" to set delay for
> > the deferred io. The refresh rate is given in units of Hertz. The
> > default refresh rate is 1 Hz. The refresh rate set through the
> > newly introduced parameter applies to all instances of the driver
> > and for now it is not possible to change it individually.
> > 
> > Signed-off-by: Thomas Niederprüm <niederp@...sik.uni-kl.de>
> > ---
> >  drivers/video/fbdev/ssd1307fb.c | 23 +++++++++++++++++------
> >  1 file changed, 17 insertions(+), 6 deletions(-)
> > 
> > diff --git a/drivers/video/fbdev/ssd1307fb.c
> > b/drivers/video/fbdev/ssd1307fb.c index 6fecec8..8a8d305 100644
> > --- a/drivers/video/fbdev/ssd1307fb.c
> > +++ b/drivers/video/fbdev/ssd1307fb.c
> > @@ -42,6 +42,11 @@
> >  #define	SSD1307FB_SET_COM_PINS_CONFIG	0xda
> >  #define	SSD1307FB_SET_VCOMH		0xdb
> >  
> > +#define REFRASHRATE 1
> > +
> > +static u_int refreshrate = REFRASHRATE;
> 
> s/REFRASH/REFRESH/ :)

It's written the wrong way and the right way in the same line :) Of
course I will fix that.

Thanks,
Thomas
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