[SRU] [B/C/D/Unstable] [PATCH 0/1] Ignore "incomplete report" from Elan touchpanels

[Stefan Bader]

On 29.01.19 09:44, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1813733
> 
> [Impact]
> When using Elan touchpanels, this message keeps getting spurted out:
> [  136.138487] i2c_hid i2c-DELL08D6:00: i2c_hid_get_input: incomplete report (14/65535)
> This is an error message, so systemd-journald flushes to disk as soon as
> the message shows. This prevents the storage enters power saving state,
> hurting battery time.
> 
> Other than the annoying message, the touchpad itself works fine.
> 
> [Fix]
> Just warn once to avoid the annoying message.
> 
> [Test]
> The annoying message stops once the fix applied.
> 
> [Regression Potential]
> None. The user still gets the warning from dmesg without all the
> flooding.
> 
> Kai-Heng Feng (1):
>   HID: i2c-hid: Ignore input report if there's no data present on Elan
>     touchpanels
> 
>  drivers/hid/i2c-hid/i2c-hid-core.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
Is this just bad memory of mine or has this incomplete report thing seen
multiple fixes and fixes on top of those fixes? And if so, are we done now?

-Stefan


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20190130/eeb9e08e/attachment.sig>