lkml.org 
[lkml]   [2010]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 1/5] input: wacom: Add fuzz parameters to features
    Date
    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>
    ---
    drivers/input/tablet/wacom_sys.c | 6 +++++-
    drivers/input/tablet/wacom_wac.c | 9 ++++++---
    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 42ba369..e510e4f 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 40d77ba..bfe5654 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 99e1a54..d769e9a 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 {
    --
    1.7.1


    \
     
     \ /
      Last update: 2010-09-03 14:23    [W:0.024 / U:1.372 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site