Bug 1391733 - ELAN Touchpad stopped working after kernel 4.8.2-200 update
Summary: ELAN Touchpad stopped working after kernel 4.8.2-200 update
Keywords:
Status: CLOSED UPSTREAM
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 24
Hardware: Unspecified
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-11-03 21:01 UTC by Francisco de la Peña
Modified: 2016-11-04 13:50 UTC (History)
7 users (show)

Fixed In Version:
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Last Closed: 2016-11-04 13:50:18 UTC
Type: Bug
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Description Francisco de la Peña 2016-11-03 21:01:17 UTC 
Description of problem:
 ELAN Touchpad stopped working in kernel 4.8.2. In kernel 4.7.9 works.

 dmesg relevant lines in 4.8.2-200:

 hid-generic 0018:04F3:300B.0002: unexpected long global item
 hid-generic: probe of 0018:04F3:300B.0002 failed with error -22

 dmesg relevant lines in 4.7.9-200:

 hid-multitouch 0018:04F3:300B.0002: Ignoring the extra HID_DG_INPUTMODE
 input: ELAN0501:00 04F3:300B Touchpad as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-ELAN0501:00/0018:04F3:300B.0002/input/input10
 hid-multitouch 0018:04F3:300B.0002: input,hidraw1: I2C HID v1.00 Mouse [ELAN0501:00 04F3:300B] on i2c-ELAN0501:00


Version-Release number of selected component (if applicable):

 4.8.2-200.fc24.x86_64

How reproducible:
 Always when using this laptop model: Acer Aspire E15 E5-574-58JV

Steps to Reproduce:
1. install kernel-4.8.2-200.fc24.x86_64
2. reboot and boot with the previous selected kernel
3. try to use the touchpad

Actual results:
 Touchpad does not work, xinput does not list it.

Expected results:
 Touchpad gets listed in xinput and works.

Additional info:
Comment 1 Francisco de la Peña 2016-11-04 13:50:18 UTC 
kernel-4.8.4-200 seems to fix this issue.
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