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added support for pure REL/ABS devices (such as rotary encoders) #14945

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added support for pure REL/ABS devices (such as rotary encoders) #14945

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6d7ff3d
added support for pure REL/ABS devices (such as rotary encoders)
Feb 28, 2021
07a7f55
added a commit to the patch add-rotary_encoder.patch
Feb 28, 2021
ebd1feb
renamed:
Mar 2, 2021
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26 changes: 26 additions & 0 deletions utils/triggerhappy/patches/001-add_REL-ABS-devices.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
Date: 28 Feb 2018 18:29:50 +0100
Subject: [PATCH] added support for pure REL/ABS devices (such as rotary encoders)

Some input devices such as rotary encoders don't have keys or switches,
but can generate EV_REL/EV_ABS events.
This simple change allows these devices to be used with triggerhappy.

Developer: https://github.com/trurle

Signed-off-by: Semen Kreyda <aswerklon@gmail.com>
---
devices.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletions(-)

--- a/devices.c
+++ b/devices.c
@@ -45,7 +45,8 @@
int rc = ioctl(fd, EVIOCGBIT(0,sizeof(bits)), bits);
return rc > 0 && (
/* we only consider devices with keys or switches suitable */
- test_bit(EV_KEY, bits) || test_bit(EV_SW, bits)
+ test_bit(EV_KEY, bits) || test_bit(EV_SW, bits) ||
+ test_bit(EV_REL, bits) || test_bit(EV_ABS, bits)
);
}