diff options
Diffstat (limited to 'drivers/hid/hid-egalax.c')
-rw-r--r-- | drivers/hid/hid-egalax.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/hid/hid-egalax.c b/drivers/hid/hid-egalax.c index aac8a6326bbd..66b2c5d919af 100644 --- a/drivers/hid/hid-egalax.c +++ b/drivers/hid/hid-egalax.c | |||
@@ -25,6 +25,10 @@ MODULE_LICENSE("GPL"); | |||
25 | 25 | ||
26 | #include "hid-ids.h" | 26 | #include "hid-ids.h" |
27 | 27 | ||
28 | /* estimated signal-to-noise ratios */ | ||
29 | #define SN_MOVE 4096 | ||
30 | #define SN_PRESSURE 32 | ||
31 | |||
28 | struct egalax_data { | 32 | struct egalax_data { |
29 | __u16 x, y, z; | 33 | __u16 x, y, z; |
30 | __u8 id; | 34 | __u8 id; |
@@ -57,17 +61,17 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |||
57 | field->logical_maximum = 32760; | 61 | field->logical_maximum = 32760; |
58 | hid_map_usage(hi, usage, bit, max, | 62 | hid_map_usage(hi, usage, bit, max, |
59 | EV_ABS, ABS_MT_POSITION_X); | 63 | EV_ABS, ABS_MT_POSITION_X); |
60 | set_abs(input, ABS_MT_POSITION_X, field, 0); | 64 | set_abs(input, ABS_MT_POSITION_X, field, SN_MOVE); |
61 | /* touchscreen emulation */ | 65 | /* touchscreen emulation */ |
62 | set_abs(input, ABS_X, field, 0); | 66 | set_abs(input, ABS_X, field, SN_MOVE); |
63 | return 1; | 67 | return 1; |
64 | case HID_GD_Y: | 68 | case HID_GD_Y: |
65 | field->logical_maximum = 32760; | 69 | field->logical_maximum = 32760; |
66 | hid_map_usage(hi, usage, bit, max, | 70 | hid_map_usage(hi, usage, bit, max, |
67 | EV_ABS, ABS_MT_POSITION_Y); | 71 | EV_ABS, ABS_MT_POSITION_Y); |
68 | set_abs(input, ABS_MT_POSITION_Y, field, 0); | 72 | set_abs(input, ABS_MT_POSITION_Y, field, SN_MOVE); |
69 | /* touchscreen emulation */ | 73 | /* touchscreen emulation */ |
70 | set_abs(input, ABS_Y, field, 0); | 74 | set_abs(input, ABS_Y, field, SN_MOVE); |
71 | return 1; | 75 | return 1; |
72 | } | 76 | } |
73 | return 0; | 77 | return 0; |
@@ -93,9 +97,9 @@ static int egalax_input_mapping(struct hid_device *hdev, struct hid_input *hi, | |||
93 | field->logical_minimum = 0; | 97 | field->logical_minimum = 0; |
94 | hid_map_usage(hi, usage, bit, max, | 98 | hid_map_usage(hi, usage, bit, max, |
95 | EV_ABS, ABS_MT_PRESSURE); | 99 | EV_ABS, ABS_MT_PRESSURE); |
96 | set_abs(input, ABS_MT_PRESSURE, field, 0); | 100 | set_abs(input, ABS_MT_PRESSURE, field, SN_PRESSURE); |
97 | /* touchscreen emulation */ | 101 | /* touchscreen emulation */ |
98 | set_abs(input, ABS_PRESSURE, field, 0); | 102 | set_abs(input, ABS_PRESSURE, field, SN_PRESSURE); |
99 | return 1; | 103 | return 1; |
100 | } | 104 | } |
101 | return 0; | 105 | return 0; |