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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: Clinton Sprain <clintonsprain@gmail.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Clinton Sprain 2014-03-26 14:10:43 -07:00 committed by Dmitry Torokhov
parent e545ef39e0
commit 703e148875
1 changed files with 9 additions and 6 deletions
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15
drivers/input/mouse/appletouch.c
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@ -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);