Re: [RFC][PATCH] USB touch screen driver, all-in-one

[Lanslott Gish]

did you mean like that? thx.

regards,

Lanslott Gish
===================================================================
--- linux-2.6.16-rc6.patched/drivers/usb/input/usbtouchscreen.c
+++ linux-2.6.16-rc6/drivers/usb/input/usbtouchscreen.c
@@ -49,6 +49,13 @@
 static int swap_xy;
 module_param(swap_xy, bool, 0644);
 MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped.");
+static int swap_x;
+module_param(swap_x, bool, 0644);
+MODULE_PARM_DESC(swap_x, "If set X axe is swapped before XY swapped.");
+static int swap_y;
+module_param(swap_y, bool, 0644);
+MODULE_PARM_DESC(swap_y, "If set Y axe is swapped before XY swapped.");
+


 /* device specifc data/functions */
@@ -224,13 +231,17 @@
  * PanJit Part
  */
 #ifdef CONFIG_USB_TOUCHSCREEN_PANJIT
+
 static int panjit_read_data(char *pkt, int *x, int *y, int *touch, int *press)
 {
-       *x = pkt[1] | (pkt[2] << 8);
-       *y = pkt[3] | (pkt[4] << 8);
+       *x = (pkt[1] & 0x0F) | ((pkt[2]& 0xFF) << 8);
+       *y = (pkt[3] & 0x0F) | ((pkt[4]& 0xFF) << 8);
        *touch = (pkt[0] & 0x01) ? 1 : 0;

-       return 1;
+	if(swap_x) *x = *x ^ 0x0FFF;
+	if(swap_y) *y = *y ^ 0x0FFF;
+
+ 	return 1;
 }
 #endif
===================================================================

On 3/14/06, Jan-Benedict Glaw <jbglaw@xxxxxxxxxx> wrote:
> On Tue, 2006-03-14 09:10:13 +0800, Lanslott Gish <lanslott.gish@xxxxxxxxx> wrote:
> > i fixed some codes and add swap_x & swap_y functions.
> > and test your patch passed for my touchset hrdware.
> > here is the patch only for your usbtouchscreen.c
> > could you help to apply this?
> > thank you.
> >
> > Regards,
> >
> > Lanslott Gish
> >
> > ==============================================================

>
> Um, I think it's generally a good idea to allow this, but I'd say this
> should go into the common code part using the pre-known number range.
>
> MfG, JBG
>
> --
> Jan-Benedict Glaw       jbglaw@xxxxxxxxxx    . +49-172-7608481             _ O _
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--
L.G, Life's Good~
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