[PATCH v2] input: wacom - Pass touch resolution to clients through input_absinfo
From: Ping Cheng <hidden>
Date: 2011-01-24 23:06:40
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Fixed the workaround used for kernels older than 2.6.35. Signed-off-by: Ping Cheng <redacted> --- drivers/input/tablet/wacom_wac.c | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index f44c822..12d5ccf 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c@@ -1228,8 +1228,11 @@ 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); + /* set touch resolution in points/mm */ + input_abs_set_res(input_dev, ABS_X, + 100 * features->x_max / features->x_phy); + input_abs_set_res(input_dev, ABS_Y, + 100 * features->y_max / features->y_phy); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); }
@@ -1272,6 +1275,11 @@ 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); + /* set touch resolution in points/mm */ + input_abs_set_res(input_dev, ABS_X, + 100 * features->x_max / features->x_phy); + input_abs_set_res(input_dev, ABS_Y, + 100 * 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);
--
1.7.3.4