[SRU] [F] [linux-firmware] [PATCH 0/1] Fix an issue that HID devices are not scanned by Realtek 8822C

[Juerg Haefliger]

On Tue, 7 Jul 2020 18:07:38 +0800
Kai-Heng Feng <kai.heng.feng at canonical.com> wrote:

> > On Jul 7, 2020, at 14:28, Juerg Haefliger <juerg.haefliger at canonical.com> wrote:
> > 
> > On Mon, 6 Jul 2020 17:09:24 +0800
> > Kai-Heng Feng <kai.heng.feng at canonical.com> wrote:
> >   
> >>> On Jul 6, 2020, at 16:24, You-Sheng Yang <vicamo.yang at canonical.com> wrote:
> >>> 
> >>> Shouldn't we apply this to Eoan and Bionic as well?    
> >> 
> >> Because there's no guarantee that new firmware works under older kernels, like many firmware introduced regressions happened before.  
> > 
> > What about adding the updated fw with a different name and modify the hwe
> > kernel to load that blob?  
> 
> It can be done, but we need to maintain an extra tree for HWE kernel...

Isn't this bionic:linux-hwe-5.4? Or am I missing something?

 
> > Or is that not worth the effort?  
> 
> I'd say it's not worth it :)

Your typical hwe kernel user might disagree with you ;-) Does this work with
the 4.15 kernel but not with the 5.4 hwe kernel? If so then it's a regression.

...Juerg

 
> Kai-Heng
> 
> > 
> > ...Juerg
> > 
> >   
> >> Kai-Heng
> >>   
> >>> 
> >>> You-Sheng Yang
> >>> 
> >>> On 2020-07-06 15:52, Kai-Heng Feng wrote:    
> >>>> BugLink: https://bugs.launchpad.net/bugs/1886390
> >>>> 
> >>>> [Impact]
> >>>> HID devices are not scanned by Realtek 8822C Bluetooth, so keyboard or
> >>>> mouse cannot connect to the host.
> >>>> 
> >>>> [Fix]
> >>>> New firmware release for 8822C.
> >>>> 
> >>>> [Test]
> >>>> HID devices can be scanned now. Pairing and connecting also work.
> >>>> 
> >>>> [Regression Potential]
> >>>> Low. It's an upstream firmware release.
> >>>> 
> >>>> Max Chou (1):
> >>>> rtl_bt: Update RTL8822C BT FW to 0x0999_3AA1
> >>>> 
> >>>> rtl_bt/rtl8822cu_fw.bin | Bin 54320 -> 55296 bytes
> >>>> 1 file changed, 0 insertions(+), 0 deletions(-)
> >>>>   
> >>> 
> >>> -- 
> >>> kernel-team mailing list
> >>> kernel-team at lists.ubuntu.com
> >>> https://lists.ubuntu.com/mailman/listinfo/kernel-team    
> >> 
> >>   
> >   
> 

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