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-rw-r--r--drivers/hid/Kconfig1
-rw-r--r--drivers/hid/hid-core.c1
-rw-r--r--drivers/hid/hid-ids.h4
-rw-r--r--drivers/hid/hid-magicmouse.c10
-rw-r--r--drivers/hid/hid-multitouch.c62
-rw-r--r--drivers/hid/usbhid/hid-quirks.c1
-rw-r--r--drivers/hid/usbhid/hiddev.c8
7 files changed, 58 insertions, 29 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 67d2a7585934..36ca465c00ce 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -305,6 +305,7 @@ config HID_MULTITOUCH
- 3M PCT touch screens
- ActionStar dual touch panels
- Cando dual touch panels
+ - Chunghwa panels
- CVTouch panels
- Cypress TrueTouch panels
- Elo TouchSystems IntelliTouch Plus panels
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c957c4b4fe70..f7440e8ce3e7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1359,6 +1359,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0b374a6d6db0..aecb5a4b8d6d 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -173,6 +173,9 @@
#define USB_DEVICE_ID_CHICONY_MULTI_TOUCH 0xb19d
#define USB_DEVICE_ID_CHICONY_WIRELESS 0x0618
+#define USB_VENDOR_ID_CHUNGHWAT 0x2247
+#define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH 0x0001
+
#define USB_VENDOR_ID_CIDC 0x1677
#define USB_VENDOR_ID_CMEDIA 0x0d8c
@@ -622,6 +625,7 @@
#define USB_VENDOR_ID_UCLOGIC 0x5543
#define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209 0x0042
#define USB_DEVICE_ID_UCLOGIC_TABLET_KNA5 0x6001
+#define USB_DEVICE_ID_UCLOGIC_TABLET_TWA60 0x0064
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U 0x0003
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U 0x0004
#define USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U 0x0005
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index a5eda4c8127a..0ec91c18a421 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -501,17 +501,9 @@ static int magicmouse_probe(struct hid_device *hdev,
}
report->size = 6;
- /*
- * The device reponds with 'invalid report id' when feature
- * report switching it into multitouch mode is sent to it.
- *
- * This results in -EIO from the _raw low-level transport callback,
- * but there seems to be no other way of switching the mode.
- * Thus the super-ugly hacky success check below.
- */
ret = hdev->hid_output_raw_report(hdev, feature, sizeof(feature),
HID_FEATURE_REPORT);
- if (ret != -EIO) {
+ if (ret != sizeof(feature)) {
hid_err(hdev, "unable to request touch data (%d)\n", ret);
goto err_stop_hw;
}
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index ecd4d2db9e80..0b2dcd0ee591 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -64,6 +64,7 @@ struct mt_device {
struct mt_class *mtclass; /* our mt device class */
unsigned last_field_index; /* last field index of the report */
unsigned last_slot_field; /* the last field of a slot */
+ int last_mt_collection; /* last known mt-related collection */
__s8 inputmode; /* InputMode HID feature, -1 if non-existent */
__u8 num_received; /* how many contacts we received */
__u8 num_expected; /* expected last contact index */
@@ -225,8 +226,10 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
cls->sn_move);
/* touchscreen emulation */
set_abs(hi->input, ABS_X, field, cls->sn_move);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_GD_Y:
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
@@ -237,8 +240,10 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
cls->sn_move);
/* touchscreen emulation */
set_abs(hi->input, ABS_Y, field, cls->sn_move);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
}
return 0;
@@ -246,31 +251,40 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
case HID_UP_DIGITIZER:
switch (usage->hid) {
case HID_DG_INRANGE:
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONFIDENCE:
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_TIPSWITCH:
hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONTACTID:
input_mt_init_slots(hi->input, td->maxcontacts);
td->last_slot_field = usage->hid;
td->last_field_index = field->index;
+ td->last_mt_collection = usage->collection_index;
return 1;
case HID_DG_WIDTH:
hid_map_usage(hi, usage, bit, max,
EV_ABS, ABS_MT_TOUCH_MAJOR);
set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
cls->sn_width);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_HEIGHT:
hid_map_usage(hi, usage, bit, max,
@@ -279,8 +293,10 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
cls->sn_height);
input_set_abs_params(hi->input,
ABS_MT_ORIENTATION, 0, 1, 0, 0);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_TIPPRESSURE:
if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
@@ -292,16 +308,20 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
/* touchscreen emulation */
set_abs(hi->input, ABS_PRESSURE, field,
cls->sn_pressure);
- td->last_slot_field = usage->hid;
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index) {
+ td->last_slot_field = usage->hid;
+ td->last_field_index = field->index;
+ }
return 1;
case HID_DG_CONTACTCOUNT:
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index)
+ td->last_field_index = field->index;
return 1;
case HID_DG_CONTACTMAX:
/* we don't set td->last_slot_field as contactcount and
* contact max are global to the report */
- td->last_field_index = field->index;
+ if (td->last_mt_collection == usage->collection_index)
+ td->last_field_index = field->index;
return -1;
}
/* let hid-input decide for the others */
@@ -516,6 +536,7 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
}
td->mtclass = mtclass;
td->inputmode = -1;
+ td->last_mt_collection = -1;
hid_set_drvdata(hdev, td);
ret = hid_parse(hdev);
@@ -593,6 +614,11 @@ static const struct hid_device_id mt_devices[] = {
HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
+ /* Chunghwa Telecom touch panels */
+ { .driver_data = MT_CLS_DEFAULT,
+ HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
+ USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
+
/* CVTouch panels */
{ .driver_data = MT_CLS_DEFAULT,
HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 0e30b140edca..621959d5cc42 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -74,6 +74,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5, HID_QUIRK_MULTI_INPUT },
+ { USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH, HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index ff3c644888b1..7c1188b53c3e 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -248,12 +248,15 @@ static int hiddev_release(struct inode * inode, struct file * file)
usbhid_close(list->hiddev->hid);
usbhid_put_power(list->hiddev->hid);
} else {
+ mutex_unlock(&list->hiddev->existancelock);
kfree(list->hiddev);
+ kfree(list);
+ return 0;
}
}
- kfree(list);
mutex_unlock(&list->hiddev->existancelock);
+ kfree(list);
return 0;
}
@@ -923,10 +926,11 @@ void hiddev_disconnect(struct hid_device *hid)
usb_deregister_dev(usbhid->intf, &hiddev_class);
if (hiddev->open) {
+ mutex_unlock(&hiddev->existancelock);
usbhid_close(hiddev->hid);
wake_up_interruptible(&hiddev->wait);
} else {
+ mutex_unlock(&hiddev->existancelock);
kfree(hiddev);
}
- mutex_unlock(&hiddev->existancelock);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 23:34:36 +0100