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| author | Henrik Rydberg <rydberg@euromail.se> | 2010-09-05 12:25:11 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-09-05 12:57:58 -0700 |
| commit | fed87e655a2c20468d628b37424af58287803afe (patch) | |
| tree | 04e683df294ce2f1eff04196f9454539f236f986 /drivers/input/tablet | |
| parent | 92944c1c943647c7eb39c081feeecdd169f68ee4 (diff) | |
| download | kernel_samsung_smdk4412-fed87e655a2c20468d628b37424af58287803afe.tar.gz kernel_samsung_smdk4412-fed87e655a2c20468d628b37424af58287803afe.tar.bz2 kernel_samsung_smdk4412-fed87e655a2c20468d628b37424af58287803afe.zip | |
Input: wacom - add fuzz parameters to features
The signal-to-noise ratio varies between devices, but currently all
devices are treated the same way. Add fuzz parameters to the feature
struct, allowing for tailored treatment of devices.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/tablet')
| -rw-r--r-- | drivers/input/tablet/wacom_sys.c | 6 | ||||
| -rw-r--r-- | drivers/input/tablet/wacom_wac.c | 9 | ||||
| -rw-r--r-- | drivers/input/tablet/wacom_wac.h | 4 |
3 files changed, 15 insertions, 4 deletions
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 42ba3691d90..e510e4fb54f 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -333,8 +333,12 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf, struct usb_host_interface *interface = intf->cur_altsetting; struct hid_descriptor *hid_desc; - /* default device to penabled */ + /* default features */ features->device_type = BTN_TOOL_PEN; + features->x_fuzz = 4; + features->y_fuzz = 4; + features->pressure_fuzz = 0; + features->distance_fuzz = 0; /* only Tablet PCs need to retrieve the info */ if ((features->type != TABLETPC) && (features->type != TABLETPC2FG)) diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 6e29badb969..6d7e1647715 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -951,9 +951,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOUCH, input_dev->keybit); - input_set_abs_params(input_dev, ABS_X, 0, features->x_max, 4, 0); - input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, 4, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, 0, 0); + input_set_abs_params(input_dev, ABS_X, 0, features->x_max, + features->x_fuzz, 0); + input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, + features->y_fuzz, 0); + input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, + features->pressure_fuzz, 0); __set_bit(ABS_MISC, input_dev->absbit); diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 99e1a54cd30..d769e9aa6f1 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -73,6 +73,10 @@ struct wacom_features { int y_phy; unsigned char unit; unsigned char unitExpo; + int x_fuzz; + int y_fuzz; + int pressure_fuzz; + int distance_fuzz; }; struct wacom_shared { |