diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/wacom_wac.c | 73 |
1 files changed, 68 insertions, 5 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 1d9e32d2bc63..78d0398904dc 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1227,11 +1227,17 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) continue; if (range) { + /* Fix rotation alignment: userspace expects zero at left */ + int16_t rotation = (int16_t)get_unaligned_le16(&frame[9]); + rotation += 1800/4; + if (rotation > 899) + rotation -= 1800; + input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1])); input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3])); input_report_abs(pen_input, ABS_TILT_X, (char)frame[7]); input_report_abs(pen_input, ABS_TILT_Y, (char)frame[8]); - input_report_abs(pen_input, ABS_Z, (int16_t)get_unaligned_le16(&frame[9])); + input_report_abs(pen_input, ABS_Z, rotation); input_report_abs(pen_input, ABS_WHEEL, get_unaligned_le16(&frame[11])); } input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5])); @@ -1319,12 +1325,19 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom) unsigned char *data = wacom->data; int buttons = (data[282] << 1) | ((data[281] >> 6) & 0x01); - int ring = data[285]; - int prox = buttons | (ring & 0x80); + int ring = data[285] & 0x7F; + bool ringstatus = data[285] & 0x80; + bool prox = buttons || ringstatus; + + /* Fix touchring data: userspace expects 0 at left and increasing clockwise */ + ring = 71 - ring; + ring += 3*72/16; + if (ring > 71) + ring -= 72; wacom_report_numbered_buttons(pad_input, 9, buttons); - input_report_abs(pad_input, ABS_WHEEL, (ring & 0x80) ? (ring & 0x7f) : 0); + input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0); input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0); input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0); @@ -1616,6 +1629,20 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) return 0; } +static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage, + int value, int num, int denom) +{ + struct input_absinfo *abs = &input->absinfo[usage->code]; + int range = (abs->maximum - abs->minimum + 1); + + value += num*range/denom; + if (value > abs->maximum) + value -= range; + else if (value < abs->minimum) + value += range; + return value; +} + int wacom_equivalent_usage(int usage) { if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) { @@ -1898,6 +1925,7 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); int i; bool is_touch_on = value; + bool do_report = false; /* * Avoid reporting this event and setting inrange_state if this usage @@ -1912,6 +1940,29 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field } switch (equivalent_usage) { + case WACOM_HID_WD_TOUCHRING: + /* + * Userspace expects touchrings to increase in value with + * clockwise gestures and have their zero point at the + * tablet's left. HID events "should" be clockwise- + * increasing and zero at top, though the MobileStudio + * Pro and 2nd-gen Intuos Pro don't do this... + */ + if (hdev->vendor == 0x56a && + (hdev->product == 0x34d || hdev->product == 0x34e || /* MobileStudio Pro */ + hdev->product == 0x357 || hdev->product == 0x358)) { /* Intuos Pro 2 */ + value = (field->logical_maximum - value); + + if (hdev->product == 0x357 || hdev->product == 0x358) + value = wacom_offset_rotation(input, usage, value, 3, 16); + else if (hdev->product == 0x34d || hdev->product == 0x34e) + value = wacom_offset_rotation(input, usage, value, 1, 2); + } + else { + value = wacom_offset_rotation(input, usage, value, 1, 4); + } + do_report = true; + break; case WACOM_HID_WD_TOUCHRINGSTATUS: if (!value) input_event(input, usage->type, usage->code, 0); @@ -1945,10 +1996,14 @@ static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field value, i); /* fall through*/ default: + do_report = true; + break; + } + + if (do_report) { input_event(input, usage->type, usage->code, value); if (value) wacom_wac->hid_data.pad_input_event_flag = true; - break; } } @@ -2089,6 +2144,14 @@ static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL); wacom_wac->serial[0] |= (__u32)value; return; + case HID_DG_TWIST: + /* + * Userspace expects pen twist to have its zero point when + * the buttons/finger is on the tablet's left. HID values + * are zero when buttons are toward the top. + */ + value = wacom_offset_rotation(input, usage, value, 1, 4); + break; case WACOM_HID_WD_SENSE: wacom_wac->hid_data.sense_state = value; return; |