lkml.org 
[lkml]   [2017]   [Oct]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] input: touchscreen: ti_am335x_tsc: Fix incorrect step config for 5 wire touchscreen
From
Date


On Tuesday 19 September 2017 11:59 AM, Vignesh R wrote:
> From: Jeff Lance <j-lance1@ti.com>
>
> Step config setting for 5 wire touchscreen is incorrect for Y coordinates.
> It was broken while we moved to DT. If you look close at the offending
> commit bb76dc09ddfc ("input: ti_am33x_tsc: Order of TSC wires, made
> configurable"), the change was:
>
> - STEPCONFIG_XNP | STEPCONFIG_YPN;
> + ts_dev->bit_xn | ts_dev->bit_yp;
>
> while bit_xn = STEPCONFIG_XNN and bit_yp = STEPCONFIG_YNN. Not quite the
> same.
>
> Fixes: bb76dc09ddfc ("input: ti_am33x_tsc: Order of TSC wires, made configurable")
> Signed-off-by: Jeff Lance <j-lance1@ti.com>
> [vigneshr@ti.com: Rebase to v4.14-rc1]
> Signed-off-by: Vignesh R <vigneshr@ti.com>
> ---
>

Gentle ping...


> Tested on AM335x EVM with 5 wire tsc module. Also sanity tested
> on a 4 wire tsc as well.
>
> drivers/input/touchscreen/ti_am335x_tsc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c b/drivers/input/touchscreen/ti_am335x_tsc.c
> index 7953381d939a..f1043ae71dcc 100644
> --- a/drivers/input/touchscreen/ti_am335x_tsc.c
> +++ b/drivers/input/touchscreen/ti_am335x_tsc.c
> @@ -161,7 +161,7 @@ static void titsc_step_config(struct titsc *ts_dev)
> break;
> case 5:
> config |= ts_dev->bit_xp | STEPCONFIG_INP_AN4 |
> - ts_dev->bit_xn | ts_dev->bit_yp;
> + STEPCONFIG_XNP | STEPCONFIG_YPN;
> break;
> case 8:
> config |= ts_dev->bit_yp | STEPCONFIG_INP(ts_dev->inp_xp);
>

--
Regards
Vignesh

\
 
 \ /
  Last update: 2017-10-22 17:08    [W:0.045 / U:31.900 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site