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SubjectRe: [PATCHv4 07/10] fbdev: ssd1307fb: Add a module parameter to set the refresh rate
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@physik.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/ :)

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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