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| author | Ping Cheng <pinglinux@gmail.com> | 2011-01-25 18:03:13 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-01-25 18:04:05 -0800 |
| commit | 409550f2902470f0387fe40a7db441526e16b2c0 (patch) | |
| tree | 078db2747bc707fefcecd97925bffc14a11c41ef /drivers/input/tablet/wacom_wac.c | |
| parent | d38acb49b7368ac4e8ec0db0055155be0805db5d (diff) | |
| download | kernel_samsung_tuna-409550f2902470f0387fe40a7db441526e16b2c0.zip kernel_samsung_tuna-409550f2902470f0387fe40a7db441526e16b2c0.tar.gz kernel_samsung_tuna-409550f2902470f0387fe40a7db441526e16b2c0.tar.bz2 | |
Input: wacom - pass touch resolution to clients through input_absinfo
Also remove fake ABS_RX/ABS_RY "axes" that were used to report physical
dimensions now that we have better way.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/tablet/wacom_wac.c')
| -rw-r--r-- | drivers/input/tablet/wacom_wac.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index f44c822..367fa82 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1101,6 +1101,13 @@ void wacom_setup_device_quirks(struct wacom_features *features) } } +static unsigned int wacom_calculate_touch_res(unsigned int logical_max, + unsigned int physical_max) +{ + /* Touch physical dimensions are in 100th of mm */ + return (logical_max * 100) / physical_max; +} + void wacom_setup_input_capabilities(struct input_dev *input_dev, struct wacom_wac *wacom_wac) { @@ -1228,8 +1235,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, case TABLETPC: if (features->device_type == BTN_TOOL_DOUBLETAP || features->device_type == BTN_TOOL_TRIPLETAP) { - input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0); - input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0); + input_abs_set_res(input_dev, ABS_X, + wacom_calculate_touch_res(features->x_max, + features->x_phy)); + input_abs_set_res(input_dev, ABS_Y, + wacom_calculate_touch_res(features->y_max, + features->y_phy)); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); } @@ -1272,6 +1283,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, features->pressure_max, features->pressure_fuzz, 0); + input_abs_set_res(input_dev, ABS_X, + wacom_calculate_touch_res(features->x_max, + features->x_phy)); + input_abs_set_res(input_dev, ABS_Y, + wacom_calculate_touch_res(features->y_max, + features->y_phy)); } else if (features->device_type == BTN_TOOL_PEN) { __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); __set_bit(BTN_TOOL_PEN, input_dev->keybit); |