17.04.2015 18:43, Benjamin Tissoires пишет: > On Fri, Apr 17, 2015 at 10:56 AM, Dmitry Tunin <hanipouspilot@xxxxxxxxx> wrote: >> >> >> 17.04.2015 17:49, Dmitry Tunin пишет: >>> 17.04.2015 16:57, Benjamin Tissoires пишет: >>>> On Fri, Apr 17, 2015 at 9:39 AM, Dmitry Tunin <hanipouspilot@xxxxxxxxx> wrote: >>>>>> Hi Dmitry, >>>>>> >>>>>> On Fri, Apr 17, 2015 at 5:56 AM, Dmitry Tunin <hanipouspilot@xxxxxxxxx> wrote: >>>>>>>> I noticed that myself and got some complaints like this. >>>>>>>> https://github.com/hanipouspilot/ubuntu-fixes/issues/2 >>>>>>>> >>>>>>>> General issue is that when one finger is on the touchpad, movement of a second finger is ignored, if the first finger does not move. >>>>>>>> Usually with other touchpads, when you have one finger on the touchpad and move the other, it is recognized as two-finger scrolling. >>>>>>>> The device itself sends relative packages as normal in that case, but linux driver ignores them, until first finger is moved. >>>>>>>> >>>>>>>> I guess, Windows driver behaves same way. I can't test it, since I do not have Windows installed on that laptop. >>>>>>>> >>>>>>>> As I understood, Windows driver ignores that one finger is on button area and recognizes movement of the other as one-finger movement. >>>>>>>> >>>>>>>> It is clear that we do not know the full protocol or parameters of all touchpad models to have that button area always correct. >>>>>>>> But it looks like button area is set when 3rd byte in abs package is 00. There is a good chance that it is common for all touchpad models. >>>>>>>> >>>>>>>> Do you have ideas how to fix it the easiest way? >>>>>>>> >>>>>>>> Regards, >>>>>>>> >>>>>>>> Dmitry >>>>>>>> >>>>>>> >>>>>>> I looked at it some more and noticed that if I put one finger on touchpad, then another, then move the second one, rel packets are ignored. >>>>>>> But if keeping both fingers on touchpad, I move the first one, rel packets work OK. >>>>>>> This is wrong. I can't get what's wrong with the code at the moment. >>>>>> >>>>>> >>>>>> It looks like your touchpad is in the mouse emulation mode, not the >>>>>> raw touch mode. What you get is fed by the touchpad FW ans there is >>>>>> nothing we can do in userspace to fix that. >>>>>> That being said, there has been a lot of work with the focaltech >>>>>> drivers in the previous kernel releases, and maybe trying a v4.0 will >>>>>> switch your touchpad in the raw mode. >>>>>> Once it is in raw mode, the software buttons, scrolling and gestures >>>>>> are all treated in userspace and you will get the expected behavior. >>>>>> >>>>>> Cheers, >>>>>> Benjamin >>>>>> >>>>> >>>>> No, the mouse is in proprietary mode. Multitouch is supported. In emulation mode it is not supported at all. >>>>> I am testing actually the driver from kernel 4.0. Everything works great except this strange problem, when some relative packets are ignored. >>>>> I mentioned above the test case. Now I added some debug and trying to figure it out. But no success so far. >>>>> >>>>> >>>> >>>> If you are in absolute (raw) mode, then can you share the evemu-record >>>> of the gesture you are trying to support? >>>> We should be able to see what is going on and be able to pinpoint if >>>> this is a kernel problem or a user space problem. >>>> >>>> Cheers, >>>> Benjamin >>>> >>> >>> Here is the record. I put one finger on the touchpad and moved the other from top to bottom. This gesture is ignored. >>> But if I move first finger or both, it is recognized as scrolling > > OK, this evemu-record is clean in term of protocol handling. > It looks like the first finger is in the middle of the touchpad. > Besides that I do not see any problems (and this works fine on Fedora > with libinput). > > It must be a user-space problem. Can you tell us which distribution > you are using and which driver is handling the touchpad (xorg-evdev, > xorg-synaptics, xorg-libinput, wayland, mir)? > > Benjamin I am usung Ubuntu. I guess xorg-synaptics is handling the touchpad. > >>> >>> # EVEMU 1.2 >>> # Input device name: "PS/2 FocalTech FocalTech Touchpad" >>> # Input device ID: bus 0x11 vendor 0x02 product 0x01 version 0000 >>> # Supported events: >>> # Event type 0 (EV_SYN) >>> # Event code 0 (SYN_REPORT) >>> # Event code 1 (SYN_CONFIG) >>> # Event code 3 (SYN_MAX) >>> # Event type 1 (EV_KEY) >>> # Event code 272 (BTN_LEFT) >>> # Event code 325 (BTN_TOOL_FINGER) >>> # Event code 328 (BTN_TOOL_QUINTTAP) >>> # Event code 330 (BTN_TOUCH) >>> # Event code 333 (BTN_TOOL_DOUBLETAP) >>> # Event code 334 (BTN_TOOL_TRIPLETAP) >>> # Event code 335 (BTN_TOOL_QUADTAP) >>> # Event type 3 (EV_ABS) >>> # Event code 0 (ABS_X) >>> # Value 1051 >>> # Min 0 >>> # Max 2944 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Event code 1 (ABS_Y) >>> # Value 920 >>> # Min 0 >>> # Max 1664 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Event code 47 (ABS_MT_SLOT) >>> # Value 0 >>> # Min 0 >>> # Max 4 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Event code 53 (ABS_MT_POSITION_X) >>> # Value 0 >>> # Min 0 >>> # Max 2944 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Event code 54 (ABS_MT_POSITION_Y) >>> # Value 0 >>> # Min 0 >>> # Max 1664 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Event code 57 (ABS_MT_TRACKING_ID) >>> # Value 0 >>> # Min 0 >>> # Max 65535 >>> # Fuzz 0 >>> # Flat 0 >>> # Resolution 0 >>> # Properties: >>> # Property type 0 (INPUT_PROP_POINTER) >>> # Property type 2 (INPUT_PROP_BUTTONPAD) >>> N: PS/2 FocalTech FocalTech Touchpad >>> I: 0011 0002 0001 0000 >>> P: 05 00 00 00 00 00 00 00 >>> B: 00 0b 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 01 00 00 00 00 00 >>> B: 01 20 e5 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 01 00 00 00 00 00 00 00 00 >>> B: 02 00 00 00 00 00 00 00 00 >>> B: 03 03 00 00 00 00 80 60 02 >>> B: 04 00 00 00 00 00 00 00 00 >>> B: 05 00 00 00 00 00 00 00 00 >>> B: 11 00 00 00 00 00 00 00 00 >>> B: 12 00 00 00 00 00 00 00 00 >>> B: 15 00 00 00 00 00 00 00 00 >>> B: 15 00 00 00 00 00 00 00 00 >>> A: 00 0 2944 0 0 0 >>> A: 01 0 1664 0 0 0 >>> A: 2f 0 4 0 0 0 >>> A: 35 0 2944 0 0 0 >>> A: 36 0 1664 0 0 0 >>> A: 39 0 65535 0 0 0 >>> ################################ >>> # Waiting for events # >>> ################################ >>> E: 0.000000 0003 0039 0279 # EV_ABS / ABS_MT_TRACKING_ID 279 >>> E: 0.000000 0003 0035 0750 # EV_ABS / ABS_MT_POSITION_X 750 >>> E: 0.000000 0003 0036 0680 # EV_ABS / ABS_MT_POSITION_Y 680 >>> E: 0.000000 0001 014a 0001 # EV_KEY / BTN_TOUCH 1 >>> E: 0.000000 0001 0145 0001 # EV_KEY / BTN_TOOL_FINGER 1 >>> E: 0.000000 0003 0000 0750 # EV_ABS / ABS_X 750 >>> E: 0.000000 0003 0001 0680 # EV_ABS / ABS_Y 680 >>> E: 0.000000 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 0.160846 0003 0036 0678 # EV_ABS / ABS_MT_POSITION_Y 678 >>> E: 0.160846 0003 0001 0678 # EV_ABS / ABS_Y 678 >>> E: 0.160846 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 0.853482 0003 002f 0001 # EV_ABS / ABS_MT_SLOT 1 >>> E: 0.853482 0003 0039 0280 # EV_ABS / ABS_MT_TRACKING_ID 280 >>> E: 0.853482 0003 0035 2238 # EV_ABS / ABS_MT_POSITION_X 2238 >>> E: 0.853482 0003 0036 0046 # EV_ABS / ABS_MT_POSITION_Y 46 >>> E: 0.853482 0001 0145 0000 # EV_KEY / BTN_TOOL_FINGER 0 >>> E: 0.853482 0001 014d 0001 # EV_KEY / BTN_TOOL_DOUBLETAP 1 >>> E: 0.853482 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.053646 0003 0035 2237 # EV_ABS / ABS_MT_POSITION_X 2237 >>> E: 1.053646 0003 0036 0049 # EV_ABS / ABS_MT_POSITION_Y 49 >>> E: 1.053646 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.069850 0003 0036 0053 # EV_ABS / ABS_MT_POSITION_Y 53 >>> E: 1.069850 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.086012 0003 0035 2240 # EV_ABS / ABS_MT_POSITION_X 2240 >>> E: 1.086012 0003 0036 0068 # EV_ABS / ABS_MT_POSITION_Y 68 >>> E: 1.086012 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.102159 0003 0035 2242 # EV_ABS / ABS_MT_POSITION_X 2242 >>> E: 1.102159 0003 0036 0092 # EV_ABS / ABS_MT_POSITION_Y 92 >>> E: 1.102159 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.118366 0003 0036 0108 # EV_ABS / ABS_MT_POSITION_Y 108 >>> E: 1.118366 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.134448 0003 0036 0135 # EV_ABS / ABS_MT_POSITION_Y 135 >>> E: 1.134448 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.150600 0003 0035 2240 # EV_ABS / ABS_MT_POSITION_X 2240 >>> E: 1.150600 0003 0036 0200 # EV_ABS / ABS_MT_POSITION_Y 200 >>> E: 1.150600 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.166755 0003 0035 2236 # EV_ABS / ABS_MT_POSITION_X 2236 >>> E: 1.166755 0003 0036 0236 # EV_ABS / ABS_MT_POSITION_Y 236 >>> E: 1.166755 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.182997 0003 0035 2234 # EV_ABS / ABS_MT_POSITION_X 2234 >>> E: 1.182997 0003 0036 0278 # EV_ABS / ABS_MT_POSITION_Y 278 >>> E: 1.182997 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.203908 0003 0035 2230 # EV_ABS / ABS_MT_POSITION_X 2230 >>> E: 1.203908 0003 0036 0326 # EV_ABS / ABS_MT_POSITION_Y 326 >>> E: 1.203908 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.220070 0003 0035 2228 # EV_ABS / ABS_MT_POSITION_X 2228 >>> E: 1.220070 0003 0036 0382 # EV_ABS / ABS_MT_POSITION_Y 382 >>> E: 1.220070 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.236227 0003 0036 0410 # EV_ABS / ABS_MT_POSITION_Y 410 >>> E: 1.236227 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.252415 0003 0036 0459 # EV_ABS / ABS_MT_POSITION_Y 459 >>> E: 1.252415 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.268505 0003 0035 2226 # EV_ABS / ABS_MT_POSITION_X 2226 >>> E: 1.268505 0003 0036 0584 # EV_ABS / ABS_MT_POSITION_Y 584 >>> E: 1.268505 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.285702 0003 0035 2224 # EV_ABS / ABS_MT_POSITION_X 2224 >>> E: 1.285702 0003 0036 0666 # EV_ABS / ABS_MT_POSITION_Y 666 >>> E: 1.285702 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.304459 0003 0035 2222 # EV_ABS / ABS_MT_POSITION_X 2222 >>> E: 1.304459 0003 0036 0738 # EV_ABS / ABS_MT_POSITION_Y 738 >>> E: 1.304459 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.322557 0003 002f 0000 # EV_ABS / ABS_MT_SLOT 0 >>> E: 1.322557 0003 0035 0751 # EV_ABS / ABS_MT_POSITION_X 751 >>> E: 1.322557 0003 0036 0676 # EV_ABS / ABS_MT_POSITION_Y 676 >>> E: 1.322557 0003 002f 0001 # EV_ABS / ABS_MT_SLOT 1 >>> E: 1.322557 0003 0035 2220 # EV_ABS / ABS_MT_POSITION_X 2220 >>> E: 1.322557 0003 0036 0804 # EV_ABS / ABS_MT_POSITION_Y 804 >>> E: 1.322557 0003 0000 0751 # EV_ABS / ABS_X 751 >>> E: 1.322557 0003 0001 0676 # EV_ABS / ABS_Y 676 >>> E: 1.322557 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.339614 0003 0036 0835 # EV_ABS / ABS_MT_POSITION_Y 835 >>> E: 1.339614 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.356413 0003 0035 2218 # EV_ABS / ABS_MT_POSITION_X 2218 >>> E: 1.356413 0003 0036 0940 # EV_ABS / ABS_MT_POSITION_Y 940 >>> E: 1.356413 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.374034 0003 002f 0000 # EV_ABS / ABS_MT_SLOT 0 >>> E: 1.374034 0003 0036 0674 # EV_ABS / ABS_MT_POSITION_Y 674 >>> E: 1.374034 0003 002f 0001 # EV_ABS / ABS_MT_SLOT 1 >>> E: 1.374034 0003 0036 0979 # EV_ABS / ABS_MT_POSITION_Y 979 >>> E: 1.374034 0003 0001 0674 # EV_ABS / ABS_Y 674 >>> E: 1.374034 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.391422 0003 0035 2214 # EV_ABS / ABS_MT_POSITION_X 2214 >>> E: 1.391422 0003 0036 1098 # EV_ABS / ABS_MT_POSITION_Y 1098 >>> E: 1.391422 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.408860 0003 0035 2210 # EV_ABS / ABS_MT_POSITION_X 2210 >>> E: 1.408860 0003 0036 1168 # EV_ABS / ABS_MT_POSITION_Y 1168 >>> E: 1.408860 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.425074 0003 0035 2206 # EV_ABS / ABS_MT_POSITION_X 2206 >>> E: 1.425074 0003 0036 1238 # EV_ABS / ABS_MT_POSITION_Y 1238 >>> E: 1.425074 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.441161 0003 0035 2204 # EV_ABS / ABS_MT_POSITION_X 2204 >>> E: 1.441161 0003 0036 1312 # EV_ABS / ABS_MT_POSITION_Y 1312 >>> E: 1.441161 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.457252 0003 0035 2200 # EV_ABS / ABS_MT_POSITION_X 2200 >>> E: 1.457252 0003 0036 1384 # EV_ABS / ABS_MT_POSITION_Y 1384 >>> E: 1.457252 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.473426 0003 0035 2198 # EV_ABS / ABS_MT_POSITION_X 2198 >>> E: 1.473426 0003 0036 1450 # EV_ABS / ABS_MT_POSITION_Y 1450 >>> E: 1.473426 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.489499 0003 0036 1484 # EV_ABS / ABS_MT_POSITION_Y 1484 >>> E: 1.489499 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.505633 0003 0036 1532 # EV_ABS / ABS_MT_POSITION_Y 1532 >>> E: 1.505633 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.521753 0003 0036 1580 # EV_ABS / ABS_MT_POSITION_Y 1580 >>> E: 1.521753 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 1.537900 0003 0039 -001 # EV_ABS / ABS_MT_TRACKING_ID -1 >>> E: 1.537900 0001 0145 0001 # EV_KEY / BTN_TOOL_FINGER 1 >>> E: 1.537900 0001 014d 0000 # EV_KEY / BTN_TOOL_DOUBLETAP 0 >>> E: 1.537900 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> E: 2.342684 0003 002f 0000 # EV_ABS / ABS_MT_SLOT 0 >>> E: 2.342684 0003 0039 -001 # EV_ABS / ABS_MT_TRACKING_ID -1 >>> E: 2.342684 0001 014a 0000 # EV_KEY / BTN_TOUCH 0 >>> E: 2.342684 0001 0145 0000 # EV_KEY / BTN_TOOL_FINGER 0 >>> E: 2.342684 0000 0000 0000 # ------------ SYN_REPORT (0) ---------- >>> >> >> In addition. I grab packages through serio_raw and see that in both cases packages are sent normally form the device. >> This must be something with state->finger[i].active or valid. But I added debug to the code and can't catch any problem there either. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
