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 <hanipouspi...@gmail.com> >> wrote: >>>> Hi Dmitry, >>>> >>>> On Fri, Apr 17, 2015 at 5:56 AM, Dmitry Tunin <hanipouspi...@gmail.com> >>>> 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 > > # 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html