Hi all,
I'm using a 5.8.x kernel and an USB multitouch device is reporting a weird
response in some situations. I put a coin or some object in the left edge of
the touch without entering the working area and then the next taps to the touch
are ignored.
With the evtest tool to get all the messages from multitouch I'm reading a lot
of EV_MSC events with code MSC_TIMESTAMP. Is it correct? Where this events
storm could come from? Maybe is it configurable some way?
# evtest /dev/input/event4
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x2b7f product 0xd200 version 0x110
Input device name: "Advanced Silicon S.A. CoolTouch® System Interface"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 330 (BTN_TOUCH)
Event type 3 (EV_ABS)
Event code 0 (ABS_X)
Value 29660
Min 0
Max 32767
Resolution 106
Event code 1 (ABS_Y)
Value 11404
Min 0
Max 32767
Resolution 188
Event code 47 (ABS_MT_SLOT)
Value 0
Min 0
Max 9
Event code 53 (ABS_MT_POSITION_X)
Value 0
Min 0
Max 32767
Resolution 106
Event code 54 (ABS_MT_POSITION_Y)
Value 0
Min 0
Max 32767
Resolution 188
Event code 57 (ABS_MT_TRACKING_ID)
Value 0
Min 0
Max 65535
Event type 4 (EV_MSC)
Event code 5 (MSC_TIMESTAMP)
Properties:
Property type 1 (INPUT_PROP_DIRECT)
Testing ... (interrupt to exit)
Event: time 1627381396.770902, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35023100
Event: time 1627381396.770902, -------------- SYN_REPORT ------------
Event: time 1627381396.780891, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35029400
Event: time 1627381396.780891, -------------- SYN_REPORT ------------
Event: time 1627381396.789895, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35035700
Event: time 1627381396.789895, -------------- SYN_REPORT ------------
Event: time 1627381396.798896, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35041900
Event: time 1627381396.798896, -------------- SYN_REPORT ------------
Event: time 1627381396.807889, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35048200
Event: time 1627381396.807889, -------------- SYN_REPORT ------------
Event: time 1627381396.816893, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35054400
Event: time 1627381396.816893, -------------- SYN_REPORT ------------
Event: time 1627381396.825891, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35060700
Event: time 1627381396.825891, -------------- SYN_REPORT ------------
Event: time 1627381396.834905, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35067000
Event: time 1627381396.834905, -------------- SYN_REPORT ------------
Event: time 1627381396.843914, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35073300
Event: time 1627381396.843914, -------------- SYN_REPORT ------------
Event: time 1627381396.852890, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35079600
Event: time 1627381396.852890, -------------- SYN_REPORT ------------
Event: time 1627381396.861899, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35085900
Event: time 1627381396.861899, -------------- SYN_REPORT ------------
Event: time 1627381396.871900, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35092200
Event: time 1627381396.871900, -------------- SYN_REPORT ------------
Event: time 1627381396.880903, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35098500
Event: time 1627381396.880903, -------------- SYN_REPORT ------------
Event: time 1627381396.889894, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35104800
Event: time 1627381396.889894, -------------- SYN_REPORT ------------
Event: time 1627381396.898894, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35111100
Event: time 1627381396.898894, -------------- SYN_REPORT ------------
Event: time 1627381396.907897, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35117400
Event: time 1627381396.907897, -------------- SYN_REPORT ------------
Event: time 1627381396.916905, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35123700
Event: time 1627381396.916905, -------------- SYN_REPORT ------------
Event: time 1627381396.925887, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35130000
Event: time 1627381396.925887, -------------- SYN_REPORT ------------
Event: time 1627381396.934912, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35136300
Event: time 1627381396.934912, -------------- SYN_REPORT ------------
Event: time 1627381396.943900, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35142500
Event: time 1627381396.943900, -------------- SYN_REPORT ------------
Event: time 1627381396.953893, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35148800
Event: time 1627381396.953893, -------------- SYN_REPORT ------------
Event: time 1627381396.962898, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35155100
Event: time 1627381396.962898, -------------- SYN_REPORT ------------
Event: time 1627381396.971896, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35161400
Event: time 1627381396.971896, -------------- SYN_REPORT ------------
Event: time 1627381396.980906, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35167700
Event: time 1627381396.980906, -------------- SYN_REPORT ------------
Event: time 1627381396.989911, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35174000
Event: time 1627381396.989911, -------------- SYN_REPORT ------------
Event: time 1627381396.998905, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35180300
Event: time 1627381396.998905, -------------- SYN_REPORT ------------
Event: time 1627381397.007899, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35186600
Event: time 1627381397.007899, -------------- SYN_REPORT ------------
Event: time 1627381397.016905, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35192900
Event: time 1627381397.016905, -------------- SYN_REPORT ------------
Event: time 1627381397.025898, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35199200
Event: time 1627381397.025898, -------------- SYN_REPORT ------------
Event: time 1627381397.034915, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35205500
Event: time 1627381397.034915, -------------- SYN_REPORT ------------
Event: time 1627381397.044908, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35211800
Event: time 1627381397.044908, -------------- SYN_REPORT ------------
Event: time 1627381397.053890, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35218100
Event: time 1627381397.053890, -------------- SYN_REPORT ------------
Event: time 1627381397.062903, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35224400
Event: time 1627381397.062903, -------------- SYN_REPORT ------------
Event: time 1627381397.071902, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35230700
Event: time 1627381397.071902, -------------- SYN_REPORT ------------
Event: time 1627381397.080904, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35237000
Event: time 1627381397.080904, -------------- SYN_REPORT ------------
Event: time 1627381397.089901, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35243200
Event: time 1627381397.089901, -------------- SYN_REPORT ------------
Event: time 1627381397.098905, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35249500
Event: time 1627381397.098905, -------------- SYN_REPORT ------------
Event: time 1627381397.107902, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35255800
Event: time 1627381397.107902, -------------- SYN_REPORT ------------
Event: time 1627381397.116900, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35262100
Event: time 1627381397.116900, -------------- SYN_REPORT ------------
Event: time 1627381397.126884, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35268400
Event: time 1627381397.126884, -------------- SYN_REPORT ------------
Event: time 1627381397.135916, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35274700
Event: time 1627381397.135916, -------------- SYN_REPORT ------------
Event: time 1627381397.144906, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35281000
Event: time 1627381397.144906, -------------- SYN_REPORT ------------
Event: time 1627381397.153898, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35287300
Event: time 1627381397.153898, -------------- SYN_REPORT ------------
Event: time 1627381397.162902, type 4 (EV_MSC), code 5 (MSC_TIMESTAMP), value
35293500
Event: time 1627381397.162902, -------------- SYN_REPORT ------------
Regards
Jorge
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