[Ubuntu-x-swat] [Bug 1796580] Re: Touchscreen breaks after suspend on Acer Aspire Switch 11

2018-10-07 Thread Timo Aaltonen
you could try installing newer mainline kernels to see if they help http://kernel.ubuntu.com/~kernel-ppa/mainline/ ** Package changed: xinput (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member

[Ubuntu-x-swat] [Bug 1796580] Re: Touchscreen breaks after suspend on Acer Aspire Switch 11

2018-10-07 Thread Matthijs Kooijman
I also ran the i2c_hid module with debug enabled (`modprobe i2c_hid debug=1`), which gives a bit of insight in what commands are sent to the touch screen. On a suspend, it seems to send a sleep command. On a resume, it sends a power on command, followed by a reset command (which is properly acknowl

[Ubuntu-x-swat] [Bug 1796580] Re: Touchscreen breaks after suspend on Acer Aspire Switch 11

2018-10-07 Thread Matthijs Kooijman
I dug around a bit, and found that the touchscreen can also be fixed by reloading the ic2_hid module. It also works to reinitialize just the hid driver for the touchscreen (rather than reloading the entire module) by running: echo 0018:06CB:77B2.000C > /sys/bus/hid/drivers/hid-multitouch/unbind e

[Ubuntu-x-swat] [Bug 1796580] Re: Touchscreen breaks after suspend on Acer Aspire Switch 11

2018-10-07 Thread Matthijs Kooijman
** Description changed: I'm not entirely sure this bug belongs in package xinput, but I'm - following the lead of #1275416, which describes the same symptoms (but - on other hardware, so likely a different underlying problem). + following the lead of + https://bugs.launchpad.net/ubuntu/+source/x