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path: root/drivers/hid/hid-input.c
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Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 7a0d2e4661a1..6c03dcc5760a 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -199,11 +199,11 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case HID_GD_MOUSE:
case HID_GD_POINTER: code += 0x110; break;
case HID_GD_JOYSTICK:
- if (code <= 0xf)
- code += BTN_JOYSTICK;
- else
- code += BTN_TRIGGER_HAPPY;
- break;
+ if (code <= 0xf)
+ code += BTN_JOYSTICK;
+ else
+ code += BTN_TRIGGER_HAPPY;
+ break;
case HID_GD_GAMEPAD: code += 0x130; break;
default:
switch (field->physical) {
@@ -301,6 +301,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case HID_UP_DIGITIZER:
switch (usage->hid & 0xff) {
+ case 0x00: /* Undefined */
+ goto ignore;
+
case 0x30: /* TipPressure */
if (!test_bit(BTN_TOUCH, input->keybit)) {
device->quirks |= HID_QUIRK_NOTOUCH;
@@ -480,7 +483,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case HID_UP_LOGIVENDOR:
goto ignore;
-
+
case HID_UP_PID:
switch (usage->hid & HID_USAGE) {
case 0xa4: map_key_clear(BTN_DEAD); break;
@@ -534,6 +537,9 @@ mapped:
input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
else input_set_abs_params(input, usage->code, a, b, 0, 0);
+ /* use a larger default input buffer for MT devices */
+ if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
+ input_set_events_per_packet(input, 60);
}
if (usage->type == EV_ABS &&
@@ -586,9 +592,9 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
- input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
- return;
- }
+ input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
+ return;
+ }
if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
*quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);