summaryrefslogtreecommitdiffstats
path: root/drivers/hid
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-multitouch.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 0d3113969c43..59742f49295c 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -68,6 +68,9 @@ MODULE_LICENSE("GPL");
#define MT_QUIRK_HOVERING (1 << 11)
#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
+#define MT_INPUTMODE_TOUCHSCREEN 0x02
+#define MT_INPUTMODE_TOUCHPAD 0x03
+
struct mt_slot {
__s32 x, y, cx, cy, p, w, h;
__s32 contactid; /* the device ContactID assigned to this slot */
@@ -105,6 +108,7 @@ struct mt_device {
__s16 inputmode_index; /* InputMode HID feature index in the report */
__s16 maxcontact_report_id; /* Maximum Contact Number HID feature,
-1 if non-existent */
+ __u8 inputmode_value; /* InputMode HID feature value */
__u8 num_received; /* how many contacts we received */
__u8 num_expected; /* expected last contact index */
__u8 maxcontacts;
@@ -363,8 +367,10 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
* Model touchscreens providing buttons as touchpads.
*/
if (field->application == HID_DG_TOUCHPAD ||
- (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
+ (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
td->mt_flags |= INPUT_MT_POINTER;
+ td->inputmode_value = MT_INPUTMODE_TOUCHPAD;
+ }
if (usage->usage_index)
prev_usage = &field->usage[usage->usage_index - 1];
@@ -810,7 +816,7 @@ static void mt_set_input_mode(struct hid_device *hdev)
re = &(hdev->report_enum[HID_FEATURE_REPORT]);
r = re->report_id_hash[td->inputmode];
if (r) {
- r->field[0]->value[td->inputmode_index] = 0x02;
+ r->field[0]->value[td->inputmode_index] = td->inputmode_value;
hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
}
}
@@ -978,6 +984,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
td->mtclass = *mtclass;
td->inputmode = -1;
td->maxcontact_report_id = -1;
+ td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;
td->cc_index = -1;
td->mt_report_id = -1;
hid_set_drvdata(hdev, td);
OpenPOWER on IntegriCloud