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| author | Henrik Rydberg <rydberg@euromail.se> | 2010-12-06 10:05:43 +0100 |
|---|---|---|
| committer | Henrik Rydberg <rydberg@euromail.se> | 2010-12-16 10:42:29 +0100 |
| commit | e42a98b520bb22535687ead3120e80edc268279a (patch) | |
| tree | cd8bfdc35552a3d3911928b0d1a6600e85793264 /include | |
| parent | c5f4dec1ceb6ab773bbbefbe64a7c990c7d6b17f (diff) | |
| download | linux-e42a98b520bb22535687ead3120e80edc268279a.tar.gz linux-e42a98b520bb22535687ead3120e80edc268279a.tar.bz2 linux-e42a98b520bb22535687ead3120e80edc268279a.zip | |
input: mt: Add hovering distance axis
Touch devices capable of hovering, i.e., fingers detected a
distance from the surface, are not supported by the current
input MT protocol. This patch adds ABS_MT_DISTANCE, which may
be used to indicate the distance between the contact and the
surface.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/input.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/input.h b/include/linux/input.h index 6de145df4c1c..b3a1e02080c0 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -733,11 +733,12 @@ struct input_keymap_entry { #define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */ #define ABS_MT_TRACKING_ID 0x39 /* Unique ID of initiated contact */ #define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */ +#define ABS_MT_DISTANCE 0x3b /* Contact hover distance */ #ifdef __KERNEL__ /* Implementation details, userspace should not care about these */ #define ABS_MT_FIRST ABS_MT_TOUCH_MAJOR -#define ABS_MT_LAST ABS_MT_PRESSURE +#define ABS_MT_LAST ABS_MT_DISTANCE #endif #define ABS_MAX 0x3f |