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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-04-08 21:26:21 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-08 21:26:21 (GMT) |
| commit | 462b69b1e43ceccab68a47d65b1e46520cd0fdc0 (patch) | |
| tree | 3c961fcb5889c5ab14ab36d8ef7421fc96c95959 /Documentation/input/multi-touch-protocol.txt | |
| parent | d8bf368d0631d4bc2612d8bf2e4e8e74e620d0cc (diff) | |
| parent | f22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff) | |
| download | linux-462b69b1e43ceccab68a47d65b1e46520cd0fdc0.tar.xz | |
Merge branch 'linus' into irq/core to get the GIC updates which
conflict with pending GIC changes.
Conflicts:
drivers/usb/isp1760/isp1760-core.c
Diffstat (limited to 'Documentation/input/multi-touch-protocol.txt')
| -rw-r--r-- | Documentation/input/multi-touch-protocol.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt index 7b4f59c..b85d000 100644 --- a/Documentation/input/multi-touch-protocol.txt +++ b/Documentation/input/multi-touch-protocol.txt @@ -312,9 +312,12 @@ ABS_MT_TOOL_TYPE The type of approaching tool. A lot of kernel drivers cannot distinguish between different tool types, such as a finger or a pen. In such cases, the -event should be omitted. The protocol currently supports MT_TOOL_FINGER and -MT_TOOL_PEN [2]. For type B devices, this event is handled by input core; -drivers should instead use input_mt_report_slot_state(). +event should be omitted. The protocol currently supports MT_TOOL_FINGER, +MT_TOOL_PEN, and MT_TOOL_PALM [2]. For type B devices, this event is handled +by input core; drivers should instead use input_mt_report_slot_state(). +A contact's ABS_MT_TOOL_TYPE may change over time while still touching the +device, because the firmware may not be able to determine which tool is being +used when it first appears. ABS_MT_BLOB_ID |