[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1796580
Title:
Touchscreen breaks after suspend on Acer Aspire Switch 11
To manage not
Good call, thanks!
This turns out to be fixed in the latest mainline kernel. Looking at the
git log for the i2c_hid driver, I found this commit which I suspect is
the fix for my problem.
https://github.com/torvalds/linux/commit/52cf93e63ee672a92f349edc6ddad86ec8808fd8
https://patchwork.kernel.org
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
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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
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
** 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
