diff options
| author | Aaron Armstrong Skomra <skomra@gmail.com> | 2017-01-25 23:08:40 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-01-26 23:46:44 +0300 |
| commit | ac2423c975dbd3e8c2afc6dec53ee25be38f723b (patch) | |
| tree | 572452586dab9e57cda4d995dd1f665f7b46e813 /drivers/hid/wacom_wac.c | |
| parent | 60a221869803a0864c4b1683395ef574ee15aba6 (diff) | |
| download | linux-ac2423c975dbd3e8c2afc6dec53ee25be38f723b.tar.xz | |
HID: wacom: generic: add vendor defined touch
Add vendor defined touch to support the second generation Intuos Pro.
Previously all generic Wacom devices used true HID to report their touch.
Signed-off-by: Aaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/wacom_wac.c')
| -rw-r--r-- | drivers/hid/wacom_wac.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 636c4a1ee958..2eeaa05e2068 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1599,7 +1599,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) return 0; } -static int wacom_equivalent_usage(int usage) +int wacom_equivalent_usage(int usage) { if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) { int subpage = (usage & 0xFF00) << 8; @@ -1626,6 +1626,16 @@ static int wacom_equivalent_usage(int usage) return subpage | subusage; } + if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) { + int subpage = (usage & 0xFF00) << 8; + int subusage = (usage & 0xFF); + + if (subpage == HID_UP_UNDEFINED) + subpage = WACOM_HID_SP_DIGITIZER; + + return subpage | subusage; + } + return usage; } @@ -2218,8 +2228,10 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, for (j = 0; j < field->maxusage; j++) { struct hid_usage *usage = &field->usage[j]; + unsigned int equivalent_usage = + wacom_equivalent_usage(usage->hid); - switch (usage->hid) { + switch (equivalent_usage) { case HID_GD_X: case HID_GD_Y: case HID_DG_WIDTH: @@ -2228,7 +2240,7 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev, case HID_DG_INRANGE: case HID_DG_INVERT: case HID_DG_TIPSWITCH: - hid_data->last_slot_field = usage->hid; + hid_data->last_slot_field = equivalent_usage; break; case HID_DG_CONTACTCOUNT: hid_data->cc_report = report->id; @@ -2283,8 +2295,8 @@ void wacom_wac_usage_mapping(struct hid_device *hdev, struct wacom_wac *wacom_wac = &wacom->wacom_wac; struct wacom_features *features = &wacom_wac->features; - /* currently, only direct devices have proper hid report descriptors */ - features->device_type |= WACOM_DEVICETYPE_DIRECT; + if (WACOM_DIRECT_DEVICE(field)) + features->device_type |= WACOM_DEVICETYPE_DIRECT; if (WACOM_PAD_FIELD(field)) wacom_wac_pad_usage_mapping(hdev, field, usage); |