File waltoptablet.c.patch of Package waltoptablet-kmp

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File waltoptablet.c.patch of Package waltoptablet-kmp (Revision 73d526a15ee9c38c624dfcf28a81bf76)

Currently displaying revision 73d526a15ee9c38c624dfcf28a81bf76 , Show latest

*** waltoptablet.c.orig	2010-05-18 15:48:22.000000000 +0200
--- waltoptablet.c	2010-05-18 15:48:47.000000000 +0200
***************
*** 16,22 ****
  MODULE_DESCRIPTION(DRIVER_DESC);
  MODULE_LICENSE("GPL");
  
! #define waltop_LENGTH 9
  
  /* Defined a Tablet data structure. */
  struct waltop {
--- 16,25 ----
  MODULE_DESCRIPTION(DRIVER_DESC);
  MODULE_LICENSE("GPL");
  
! #define waltop_LENGTH 7
! #ifndef SERIO_WALTOP
! #define SERIO_WALTOP 0x3f
! #endif
  
  /* Defined a Tablet data structure. */
  struct waltop {
***************
*** 35,48 ****
  	struct  input_dev  *dev = mywaltop->dev;
  	unsigned int	x_coord, y_coord, sw_status, pressurevalue;		// GaryYeh: for parse the data packet
  
  	if (mywaltop->idx == 0) 
  	{
! 		if ((data & 0xf0) != 0x80)	return IRQ_HANDLED;	/* resync skip until start of frame */
  	} 
  	else 
  	{
  		if (data & 0x80) 
  		{
  			mywaltop->idx = 0;		/* resync skip garbage */
  			return IRQ_HANDLED;
  		}
--- 38,57 ----
  	struct  input_dev  *dev = mywaltop->dev;
  	unsigned int	x_coord, y_coord, sw_status, pressurevalue;		// GaryYeh: for parse the data packet
  
+ 
  	if (mywaltop->idx == 0) 
  	{
! 		if ((data & 0xf0) != 0x90)
! 		{
! 			printk(KERN_INFO "waltop resync skip until start of frame\n");
! 			return IRQ_HANDLED;	/* resync skip until start of frame */
! 		}
  	} 
  	else 
  	{
  		if (data & 0x80) 
  		{
+ 		 	printk(KERN_INFO "waltop resync skip garbage\n");
  			mywaltop->idx = 0;		/* resync skip garbage */
  			return IRQ_HANDLED;
  		}
***************
*** 52,80 ****
  
  	if (mywaltop->idx == waltop_LENGTH)
  	{
! 		x_coord = (mywaltop->data[1] & 0x7F) << 9;	// GaryYeh: high byte
! 		x_coord |= (mywaltop->data[2] & 0x7F) << 2;	// GaryYeh: low byte
! 		x_coord |= (mywaltop->data[6] & 0x60) >> 5;	// GaryYeh: lowest 2 bit at byte6
  		input_report_abs(dev, ABS_X, x_coord);
! 		y_coord = (mywaltop->data[3] & 0x7F) << 9;	// GaryYeh: high byte
! 		y_coord |= (mywaltop->data[4] & 0x7F) << 2;	// GaryYeh: low byte
! 		y_coord |= (mywaltop->data[6] & 0x60) >> 3;	// GaryYeh: lowest 2 bit at byte6
  		input_report_abs(dev, ABS_Y, y_coord);
! 		pressurevalue = (mywaltop->data[5] & 0x7F);	// GaryYeh: Acturally, this byte is enough...
! 		pressurevalue |= (mywaltop->data[6] & 0x07) << 7;
  		input_report_abs(dev, ABS_PRESSURE, pressurevalue);
! 		sw_status = (mywaltop->data[0] & 0x07);
  		if (  sw_status == 0 )
  		{
  			input_report_key(dev, BTN_TOUCH, 0);
! 			printk(KERN_INFO "X COORD=%d, Y COORD=%d, SW=%d,,,,,\n", x_coord, y_coord, sw_status);
! 		}
  		else
! 		{
  			input_report_key(dev, BTN_TOUCH, 1);
! 			printk(KERN_INFO "x_coord=%d, y_coord=%d, sw=%d.....\n", x_coord, y_coord, sw_status);
! 		}
! 			
  		input_sync(dev);		/* GaryYeh: To prevent it be interpreted seperately.*/
  		mywaltop->idx = 0;		/* GaryYeh: reset index value. */
  	}
--- 61,94 ----
  
  	if (mywaltop->idx == waltop_LENGTH)
  	{
! 		x_coord = mywaltop->data[1] << 1;
! 		x_coord |= (mywaltop->data[6] & 0x02)<<7;
! 		x_coord |= (mywaltop->data[6] & 0x01);
! 		x_coord |= mywaltop->data[2] << 9;
  		input_report_abs(dev, ABS_X, x_coord);
! 
! 		y_coord = mywaltop->data[3]<<1;
! 		y_coord |= (mywaltop->data[6] & 0x08) << 5;
! 		y_coord |= (mywaltop->data[6] & 0x04)>>2;
! 		y_coord |= mywaltop->data[4] << 9;
  		input_report_abs(dev, ABS_Y, y_coord);
! 
! 		pressurevalue = mywaltop->data[5];
! 		pressurevalue |= (mywaltop->data[6] & 0xf0) << 7;
  		input_report_abs(dev, ABS_PRESSURE, pressurevalue);
! 
! 		sw_status = (mywaltop->data[0] & 0x07);
  		if (  sw_status == 0 )
  		{
  			input_report_key(dev, BTN_TOUCH, 0);
! 			/* printk(KERN_INFO "X COORD=%d, Y COORD=%d, SW=%d,,,,,\n", x_coord, y_coord, sw_status); */
! 		}
  		else
! 		{
  			input_report_key(dev, BTN_TOUCH, 1);
! 			/* printk(KERN_INFO "x_coord=%d, y_coord=%d, sw=%d.....\n", x_coord, y_coord, sw_status); */
! 		}
! 		
  		input_sync(dev);		/* GaryYeh: To prevent it be interpreted seperately.*/
  		mywaltop->idx = 0;		/* GaryYeh: reset index value. */
  	}

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File waltoptablet.c.patch of Package waltoptablet-kmp (Revision 73d526a15ee9c38c624dfcf28a81bf76)

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