summaryrefslogtreecommitdiff
path: root/include/linux/input
diff options
context:
space:
mode:
authorAngela Czubak <aczubak@google.com>2025-08-18 23:08:50 +0000
committerBenjamin Tissoires <bentiss@kernel.org>2025-09-15 14:32:55 +0200
commit4e584ac737884ef0fd80f6836b917972fad86b17 (patch)
treec4aff0c1ab2107df7a21b3dbf8dba8d9ebbe0cb8 /include/linux/input
parenta77efca3aa85e382b52b587ca9976c0f8e11d49c (diff)
Input: MT - add INPUT_MT_TOTAL_FORCE flags
Add a flag to generate ABS_PRESSURE as sum of ABS_MT_PRESSURE across all slots. This flag should be set if one knows a device reports true force and would like to report total force to the userspace. Signed-off-by: Angela Czubak <aczubak@google.com> Co-developed-by: Jonathan Denose <jdenose@google.com> Signed-off-by: Jonathan Denose <jdenose@google.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'include/linux/input')
-rw-r--r--include/linux/input/mt.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/input/mt.h b/include/linux/input/mt.h
index 2cf89a538b18..d30286298a00 100644
--- a/include/linux/input/mt.h
+++ b/include/linux/input/mt.h
@@ -17,6 +17,7 @@
#define INPUT_MT_DROP_UNUSED 0x0004 /* drop contacts not seen in frame */
#define INPUT_MT_TRACK 0x0008 /* use in-kernel tracking */
#define INPUT_MT_SEMI_MT 0x0010 /* semi-mt device, finger count handled manually */
+#define INPUT_MT_TOTAL_FORCE 0x0020 /* calculate total force from slots pressure */
/**
* struct input_mt_slot - represents the state of an input MT slot