diff options
Diffstat (limited to 'wacom-05-add-a-quirk-for-low-resolution-bamboo-devices.patch')
| -rw-r--r-- | wacom-05-add-a-quirk-for-low-resolution-bamboo-devices.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/wacom-05-add-a-quirk-for-low-resolution-bamboo-devices.patch b/wacom-05-add-a-quirk-for-low-resolution-bamboo-devices.patch deleted file mode 100644 index 1809ec03e..000000000 --- a/wacom-05-add-a-quirk-for-low-resolution-bamboo-devices.patch +++ /dev/null @@ -1,69 +0,0 @@ -From: Henrik Rydberg <rydberg@euromail.se> -Date: Sun, 5 Sep 2010 19:57:13 +0000 (-0700) -Subject: Input: wacom - add a quirk for low resolution Bamboo devices -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fdtor%2Finput.git;a=commitdiff_plain;h=f4ccbef2886968ed409939531f6dd0474d53a12a - -Input: wacom - add a quirk for low resolution Bamboo devices - -The Bamboo Touch reports a sub-screen resolution of 480x320. The -signal-to-noise ratio is only about 100, so filtering is needed in -order to reduce the jitter to a usable level. However, the low -resolution leads to round-off errors in the EWMA filter, resulting in -extremely jerky pointer motion. This patch explicitly sets a higher -resolution for those devices, and tells this to the completion handler -via a low-resolution quirk. - -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_wac.c b/drivers/input/tablet/wacom_wac.c -index 4e9b1dd..2f4411a 100644 ---- a/drivers/input/tablet/wacom_wac.c -+++ b/drivers/input/tablet/wacom_wac.c -@@ -857,6 +857,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) - - static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len) - { -+ struct wacom_features *features = &wacom->features; - struct input_dev *input = wacom->input; - unsigned char *data = wacom->data; - int sp = 0, sx = 0, sy = 0, count = 0; -@@ -871,6 +872,10 @@ static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len) - if (p) { - int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff; - int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff; -+ if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) { -+ x <<= 5; -+ y <<= 5; -+ } - input_report_abs(input, ABS_MT_PRESSURE, p); - input_report_abs(input, ABS_MT_POSITION_X, x); - input_report_abs(input, ABS_MT_POSITION_Y, y); -@@ -1010,8 +1015,13 @@ void wacom_setup_device_quirks(struct wacom_features *features) - /* quirks for bamboo touch */ - if (features->type == BAMBOO_PT && - features->device_type == BTN_TOOL_TRIPLETAP) { -+ features->x_max <<= 5; -+ features->y_max <<= 5; -+ features->x_fuzz <<= 5; -+ features->y_fuzz <<= 5; - features->pressure_max = 256; - features->pressure_fuzz = 16; -+ features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES; - } - } - -diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h -index a23d6a5..00ca015 100644 ---- a/drivers/input/tablet/wacom_wac.h -+++ b/drivers/input/tablet/wacom_wac.h -@@ -40,6 +40,7 @@ - - /* device quirks */ - #define WACOM_QUIRK_MULTI_INPUT 0x0001 -+#define WACOM_QUIRK_BBTOUCH_LOWRES 0x0002 - - /* largest reported tracking id */ - #define MAX_TRACKING_ID 0xfff |