APPLIED: [SRU] [Bionic] [PATCH 0/1] Fix non-working touchpad after reboot

[Khaled Elmously]

On 2018-12-20 14:52:52 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1728244
> 
> [Note]
> This patch is required for another SRU "Fix and issue that LG I2C
> touchscreen stops working after reboot".
> 
> [Impact]
> Hantick touchpad stops working after reboot.
> 
> [Fix]
> Disable runtime power management for the touchpad.
> 
> [Test]
> User confirmed it fixed the issue.
> Some users reported it doesn't work for them, I'll ask them to file new
> bugs for different touchpads.
> 
> [Regression Potential]
> Low. Disable runtime power management doesn't affect devivce's
> funtionality. In general desktop usage the graphical session opens the
> touchpad HID device so the touchpad never get runtime suspended, so it
> won't hurt power in this case.
> 
> Anisse Astier (1):
>   HID: i2c-hid: disable runtime PM operations on hantick touchpad
> 
>  drivers/hid/i2c-hid/i2c-hid.c | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> -- 
> 2.17.1
> 
> 
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