Re: [PATCH RESEND 0/5] HID: multitouch: Add support for Touch Bars on x86 MacBook Pros

[Jiri Kosina]

On Mon, 10 Mar 2025, Aditya Garg wrote:

> Hi all!
> 
> This patch series aims to improve the Touch Bar support for x86 Macs.
> 
> Recently, the hid-appletb-kbd and hid-appletb-bl drivers were upstreamed
> into the Linux kernel [1]. They enabled the Touch Bar to display a
> predefined set of media and function keys, exactly the same it does on
> Windows Bootcamp.
> 
> Now we are about to get support added for the DRM mode of the Touch Bar
> as well [2].
> 
> The DRM mode enables the Touch Bar to act as a second display,
> just like macOS. So now you can add a widget, put a clock or anything
> else on the Touch Bar as long as you can develop a daemon.
> 
> Now via these patches, in the DRM mode, we can use the Touch Bar as a
> touch screen. The Touch Bar seems to be not compliant with the HID spec,
> thus via these patches several tweaks have been done under the cover of
> a single quirk, MT_QUIRK_APPLE_TOUCHBAR.
> 
> For the case of T2 Macs, apple-bce [3], the driver for the T2 Security
> Chip is also needed for all the peripherals, including the Touch Bar
> to work. It is still WIP, and will be subsequently sent later to the
> appropriate tree. Till then, I'll suggest for get the driver from [3],
> or more preferably, get Linux support from https://t2linux.org/.

Benjamin, could you please Ack this series?

Thanks,

-- 
Jiri Kosina
SUSE Labs