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Commit 703e1488 authored by Clinton Sprain's avatar Clinton Sprain Committed by Dmitry Torokhov
Browse files

Input: appletouch - dial back fuzz setting 



Let's dial back the default fuzz setting for most devices using this
driver, based on values from user feedback from forums and bug reports.

Signed-off-by: default avatarClinton Sprain <clintonsprain@gmail.com>
Reviewed-by: default avatarHenrik Rydberg <rydberg@euromail.se>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent e545ef39

drivers/input/mouse/appletouch.c

+9 −6
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ struct atp_info { 
	int yfact;				/* Y multiplication factor */

	int datalen;				/* size of USB transfers */

	void (*callback)(struct urb *);		/* callback function */

	int fuzz;				/* fuzz touchpad generates */

};



static void atp_complete_geyser_1_2(struct urb *urb);
@@ -61,6 +62,7 @@ static const struct atp_info fountain_info = { 
	.yfact		= 43,

	.datalen	= 81,

	.callback	= atp_complete_geyser_1_2,

	.fuzz		= 16,

};



static const struct atp_info geyser1_info = {
@@ -71,6 +73,7 @@ static const struct atp_info geyser1_info = { 
	.yfact		= 43,

	.datalen	= 81,

	.callback	= atp_complete_geyser_1_2,

	.fuzz		= 16,

};



static const struct atp_info geyser2_info = {
@@ -81,6 +84,7 @@ static const struct atp_info geyser2_info = { 
	.yfact		= 43,

	.datalen	= 64,

	.callback	= atp_complete_geyser_1_2,

	.fuzz		= 0,

};



static const struct atp_info geyser3_info = {
@@ -90,6 +94,7 @@ static const struct atp_info geyser3_info = { 
	.yfact		= 64,

	.datalen	= 64,

	.callback	= atp_complete_geyser_3_4,

	.fuzz		= 0,

};



static const struct atp_info geyser4_info = {
@@ -99,6 +104,7 @@ static const struct atp_info geyser4_info = { 
	.yfact		= 64,

	.datalen	= 64,

	.callback	= atp_complete_geyser_3_4,

	.fuzz		= 0,

};



#define ATP_DEVICE(prod, info)					\
@@ -155,9 +161,6 @@ MODULE_DEVICE_TABLE(usb, atp_table); 
#define ATP_XSENSORS	26

#define ATP_YSENSORS	16



/* amount of fuzz this touchpad generates */

#define ATP_FUZZ	16



/* maximum pressure this driver will report */

#define ATP_PRESSURE	300
@@ -455,7 +458,7 @@ static void atp_detect_size(struct atp *dev) 
			input_set_abs_params(dev->input, ABS_X, 0,

					     (dev->info->xsensors_17 - 1) *

							dev->info->xfact - 1,

					     ATP_FUZZ, 0);

					     dev->info->fuzz, 0);

			break;

		}

	}
@@ -843,10 +846,10 @@ static int atp_probe(struct usb_interface *iface, 


	input_set_abs_params(input_dev, ABS_X, 0,

			     (dev->info->xsensors - 1) * dev->info->xfact - 1,

			     ATP_FUZZ, 0);

			     dev->info->fuzz, 0);

	input_set_abs_params(input_dev, ABS_Y, 0,

			     (dev->info->ysensors - 1) * dev->info->yfact - 1,

			     ATP_FUZZ, 0);

			     dev->info->fuzz, 0);

	input_set_abs_params(input_dev, ABS_PRESSURE, 0, ATP_PRESSURE, 0, 0);



	set_bit(EV_KEY, input_dev->evbit);