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HID: ntrig: add filtering module parameters

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Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Rafi Rubin 2010-05-04 14:20:16 -04:00 committed by Jiri Kosina
parent eab32f5f65
commit ab3f4980ec
1 changed files with 21 additions and 0 deletions
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21
drivers/hid/hid-ntrig.c
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@ -25,11 +25,32 @@
#define NTRIG_DUPLICATE_USAGES 0x001
static unsigned int min_width;
module_param(min_width, uint, 0644);
MODULE_PARM_DESC(min_width, "Minimum touch contact width to accept.");
static unsigned int min_height;
module_param(min_height, uint, 0644);
MODULE_PARM_DESC(min_height, "Minimum touch contact height to accept.");
static unsigned int activate_slack = 1;
module_param(activate_slack, uint, 0644);
MODULE_PARM_DESC(activate_slack, "Number of touch frames to ignore at "
"the start of touch input.");
static unsigned int deactivate_slack = 4;
module_param(deactivate_slack, uint, 0644);
MODULE_PARM_DESC(deactivate_slack, "Number of empty frames to ignore before "
"deactivating touch.");
static unsigned int activation_width = 64;
module_param(activation_width, uint, 0644);
MODULE_PARM_DESC(activation_width, "Width threshold to immediately start "
"processing touch events.");
static unsigned int activation_height = 32;
module_param(activation_height, uint, 0644);
MODULE_PARM_DESC(activation_height, "Height threshold to immediately start "
"processing touch events.");
struct ntrig_data {
/* Incoming raw values for a single contact */