diff options
| author | Przemo Firszt <przemo@firszt.eu> | 2012-03-14 23:55:04 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-03-16 15:15:31 +0400 |
| commit | 7e503a37deee55cc30d2c8643e704a98556dd367 (patch) | |
| tree | ccb8ae04cc35162bc6618136e44f99050873ce93 /drivers/hid/hid-wacom.c | |
| parent | 9a911da8d792a2d8f9a1e07eb1c41e0d7f4ec307 (diff) | |
| download | linux-7e503a37deee55cc30d2c8643e704a98556dd367.tar.xz | |
HID: wacom: Add reporting of wheel for Intuos4 WL
This patch adds reporting of ABS_WHEEL event. Raported walues are 0..71
and are related to absolute location of the finger on the wheel.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Reviewed-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-wacom.c')
| -rw-r--r-- | drivers/hid/hid-wacom.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index 3fc93869024e..694545d5bfea 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -36,6 +36,7 @@ struct wacom_data { __u16 tool; __u16 butstate; + __u8 whlstate; __u8 features; __u32 id; __u32 serial; @@ -322,6 +323,23 @@ static void wacom_i4_parse_button_report(struct wacom_data *wdata, struct input_dev *input, unsigned char *data) { __u16 new_butstate; + __u8 new_whlstate; + __u8 sync = 0; + + new_whlstate = data[1]; + if (new_whlstate != wdata->whlstate) { + wdata->whlstate = new_whlstate; + if (new_whlstate & 0x80) { + input_report_key(input, BTN_TOUCH, 1); + input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f)); + input_report_key(input, BTN_TOOL_FINGER, 1); + } else { + input_report_key(input, BTN_TOUCH, 0); + input_report_abs(input, ABS_WHEEL, 0); + input_report_key(input, BTN_TOOL_FINGER, 0); + } + sync = 1; + } new_butstate = (data[3] << 1) | (data[2] & 0x01); if (new_butstate != wdata->butstate) { @@ -336,6 +354,10 @@ static void wacom_i4_parse_button_report(struct wacom_data *wdata, input_report_key(input, BTN_7, new_butstate & 0x080); input_report_key(input, BTN_8, new_butstate & 0x100); input_report_key(input, BTN_TOOL_FINGER, 1); + sync = 1; + } + + if (sync) { input_report_abs(input, ABS_MISC, PAD_DEVICE_ID); input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff); input_sync(input); @@ -510,6 +532,7 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi, input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); break; case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: + __set_bit(ABS_WHEEL, input->absbit); __set_bit(ABS_MISC, input->absbit); __set_bit(BTN_2, input->keybit); __set_bit(BTN_3, input->keybit); @@ -518,6 +541,7 @@ static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi, __set_bit(BTN_6, input->keybit); __set_bit(BTN_7, input->keybit); __set_bit(BTN_8, input->keybit); + input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0); input_set_abs_params(input, ABS_X, 0, 40640, 4, 0); input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0); input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0); |