Re: [PATCH] Patch for Touch Screen noise on OMAP3EVM.

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Thanks

On Fri, Aug 29, 2008 at 10:07 AM, Naveen Atmakuri
<naveen.maillist@xxxxxxxxx> wrote:
> When git kernel tree is used on a OMAP3EVM board file for touch screen
> testing, it shows lot of jitter. With this patch the jitter can be reduced.
>
> Signed-off-by: Naveen Atmakuri <anaveen@xxxxxxxxxxxxxxxxxxxx>
> ---
>  arch/arm/mach-omap2/board-omap3evm.c |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c
> b/arch/arm/mach-omap2/board-omap3evm.c
> index 4963f0f..9a4784e 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -27,6 +27,8 @@
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/map.h>
> +#include <linux/io.h>
> +#include <linux/delay.h>
>
>  #include <mach/gpio.h>
>  #include <mach/keypad.h>
> @@ -132,8 +134,16 @@ static int ads7846_get_pendown_state(void)
>  }
>
>  struct ads7846_platform_data ads7846_config = {
> +    .x_max                  = 0x0fff,
> +    .y_max                  = 0x0fff,
> +    .x_plate_ohms           = 180,
> +    .pressure_max           = 255,
> +    .debounce_max           = 10,
> +    .debounce_tol           = 3,
> +    .debounce_rep           = 1,
>     .get_pendown_state    = ads7846_get_pendown_state,
>     .keep_vref_on        = 1,
> +    .settle_delay_usecs     = 150,
>  };
>
>  static struct omap2_mcspi_device_config ads7846_mcspi_config = {
> --
> 1.5.6
>
> Warm Regards,
> Naveen Atmakuri.
> _______________________________________________
> Linux-omap-open-source mailing list
> Linux-omap-open-source@xxxxxxxxxxxxxx
> http://linux.omap.com/mailman/listinfo/linux-omap-open-source
>



-- 
Best Regards,

Felipe Balbi
felipebalbi@xxxxxxxxxxxxxxxxxxxxx
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