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| author | Chuck Ebbert <cebbert@redhat.com> | 2010-09-13 15:57:40 -0400 |
|---|---|---|
| committer | Chuck Ebbert <cebbert@redhat.com> | 2010-09-13 15:57:40 -0400 |
| commit | 1d13b01aba24af0a9dffa76d85abaa02e80ba687 (patch) | |
| tree | c05557705dd6cd332da843344805e6377fd66c5f /wacom-01-add-fuzz-parameters-to-features.patch | |
| parent | db42d7353c3452dc3f7b98d25778e7a7754c9685 (diff) | |
| download | kernel-1d13b01aba24af0a9dffa76d85abaa02e80ba687.tar.gz kernel-1d13b01aba24af0a9dffa76d85abaa02e80ba687.tar.xz kernel-1d13b01aba24af0a9dffa76d85abaa02e80ba687.zip | |
Add preliminary support for Wacom Bamboo pen and touch devices.
Diffstat (limited to 'wacom-01-add-fuzz-parameters-to-features.patch')
| -rw-r--r-- | wacom-01-add-fuzz-parameters-to-features.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/wacom-01-add-fuzz-parameters-to-features.patch b/wacom-01-add-fuzz-parameters-to-features.patch new file mode 100644 index 000000000..4162726d3 --- /dev/null +++ b/wacom-01-add-fuzz-parameters-to-features.patch @@ -0,0 +1,69 @@ +From: Henrik Rydberg <rydberg@euromail.se> +Date: Sun, 5 Sep 2010 19:25:11 +0000 (-0700) +Subject: Input: wacom - add fuzz parameters to features +X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fdtor%2Finput.git;a=commitdiff_plain;h=fed87e655a2c20468d628b37424af58287803afe + +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> +--- + +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 6e29bad..6d7e164 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 { |