Attachment 158872 Details for Bug 247648 – test patch

[patch] test patch

rhel4.6-cintiq-fix_absolute_axis_coordinates.patch (text/plain), 1.16 KB, created by Aristeu Rozanski on 2007-07-10 17:37:51 UTC

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Creator: Aristeu Rozanski

Created: 2007-07-10 17:37:51 UTC

Size: 1.16 KB

patch

obsolete

>Index: linux-2.6.9/drivers/usb/input/wacom.c
>===================================================================
>--- linux-2.6.9.orig/drivers/usb/input/wacom.c
>+++ linux-2.6.9/drivers/usb/input/wacom.c
>@@ -577,9 +577,22 @@ static void wacom_intuos_irq(struct urb 
> 	if (wacom->features->type == 5 && !(data[1] & 0x40))
> 		goto exit;
> 
>-	input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
>-	input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
>-	input_report_abs(dev, ABS_DISTANCE, data[9]);
>+	/* Intuos 3 and Cintiq have more than 16 bits for each axis */
>+	if (wacom->features->type >= 4) {
>+		u32 value;
>+
>+		value = be16_to_cpu(*(__be16 *) &data[2]) * 2 +
>+			((data[9] >> 1) & 1);
>+		input_report_abs(dev, ABS_X, value);
>+		value = be16_to_cpu(*(__be16 *) &data[4]) * 2 +
>+			(data[9] & 1);
>+		input_report_abs(dev, ABS_Y, value);
>+		input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
>+	} else {
>+		input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
>+		input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
>+		input_report_abs(dev, ABS_DISTANCE, data[9]);
>+	}
> 
> 	/* process general packets */
> 	wacom_intuos_general(urb);

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