thanks sir
On Sat, Dec 14, 2019 at 7:05 AM Nath Stone <1854...@bugs.launchpad.net>
wrote:
> Hi - message for AaronMa (mapengyu)
>
> I can confirm your steps work in the post above.
>
> I upgraded my kernel to '4.15.0-72-generic' and my touchpad stopped
> working
>
> Touchpad Hardware is: Synaptics TM2976-002
>
> My touchpad now works again after the following steps:
>
> Could you test the following kernel ppa please:
>
> sudo add-apt-repository ppa:mapengyu/bionic-oem
> sudo apt-get update
>
> sudo apt install linux-image-unsigned-4.15.0-73-generic linux-
> modules-4.15.0-73-generic linux-modules-extra-4.15.0-73-generic
>
> Note: For anyone else out there that needs this fix, if you are using
> the broadcom-sta ko for your wireless and it is loaded via dkms, you
> will also need to install the kernel headers in order for dkms to do its
> thing
>
> sudo apt-get install linux-headers-4.15.0-73-generic
>
> Thanks to AaronMa/whomever fixed the bug
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1854895).
> https://bugs.launchpad.net/bugs/1854798
>
> Title:
> Synaptics s3203 touchpad not working after update to kernel
> 4.15.0-72-generic
>
> Status in linux package in Ubuntu:
> Confirmed
> Status in linux source package in Bionic:
> Confirmed
>
> Bug description:
> SRU justification
> =
> [Impact]
> Synaptics s3203 touchpad not working after update to kernel
> 4.15.0-72-generic
>
> [Fix]
> After applied commit "Input: synaptics-rmi4 - avoid processing unknown
> IRQs",
> no irq response from touchpad.
> This commit is depended on commit:
> "Input: synaptics-rmi4 - convert irq distribution to irq_domain"
>
> [Test]
> Verified on hardware, tests results are good.
>
> [Regression Potential]
> Low.
> Fix bug that introduced by stable release update.
>
> 2nd and 3rd patches are fixes for the 1st patch.
> These commits are already included by eoan kernel, so bionic 4.15 only.
>
> Original reports
> ===
>
> environment:
> Dell Laptop XPS-9333
> Device:
> # xinput --list
> ⎡ Virtual core pointerid=2[master pointer
> (3)]
> ⎜ ↳ Virtual core XTEST pointer id=4[slave
> pointer (2)]
> ⎜ ↳ SYNAPTICS Synaptics Large Touch Screen id=9[slave
> pointer (2)]
> ⎜ ↳ Synaptics s3203 id=12 [slave
> pointer (2)]
> ⎜ ↳ Ultrathin Touch Mouse id=11 [slave
> pointer (2)]
> ⎣ Virtual core keyboard id=3[master keyboard
> (2)]
> ↳ Virtual core XTEST keyboard id=5[slave
> keyboard (3)]
> ↳ Dell WMI hotkeysid=13 [slave
> keyboard (3)]
> ↳ AT Translated Set 2 keyboardid=14 [slave
> keyboard (3)]
> ↳ Integrated_Webcam_HD: Integrate id=10 [slave
> keyboard (3)]
> ↳ DELL Wireless hotkeys id=15 [slave
> keyboard (3)]
> ↳ Video Bus id=7[slave
> keyboard (3)]
> ↳ Power Buttonid=8[slave
> keyboard (3)]
> ↳ Power Buttonid=6[slave
> keyboard (3)]
>
> # xinput --list-props 12
> Device 'Synaptics s3203':
>Device Enabled (142):1
>Coordinate Transformation Matrix (144): 1.00, 0.00,
> 0.00, 0.00, 1.00, 0.00, 0.00, 0.00, 1.00
>Device Accel Profile (270): 1
>Device Accel Constant Deceleration (271):2.50
>Device Accel Adaptive Deceleration (272):1.00
>Device Accel Velocity Scaling (273): 9.712231
>Synaptics Edges (304): 162, 3908, 133, 2339
>Synaptics Finger (305): 25, 30, 0
>Synaptics Tap Time (306):180
>Synaptics Tap Move (307):209
>Synaptics Tap Durations (308): 180, 180, 100
>Synaptics ClickPad (309):1
>Synaptics Middle Button Timeout (310): 0
>Synaptics Two-Finger Pressure (311): 282
>Synaptics Two-Finger Width (312):7
>Synaptics Scrolling Distance (313): -95, 95
>Synaptics Edge Scrolling (314): 0, 0, 0
>Synaptics Two-Finger Scrolling (315):1, 1
>Synaptics Move Speed (316): 1.00, 1.75, 0.042008, 0.00
>Synaptics Off (317): 0
>Synaptics Locked Drags (318):0
>Synaptics Locked Drags Timeout (319):5000
>Synaptics Tap Action (320): 0, 0, 0, 0, 1, 3, 2
>Synaptics Click Action (321):1, 3, 2
>Synaptics Circular Scrolling (322): 0
>Synaptics Circular Scrolling Distance (323): 0.10
>Synaptics Circular Scrolling Trigger (324): 0
>Synaptics Circular Pad (325):0
>Synaptics Palm Detection (326): 1
>Synaptics Palm Dimensions (327):
