Re: [PATCH 0/3] Touch Bar and Keyboard backlight driver for Intel Macs

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On Fri, Feb 10, 2023 at 5:41 AM Aditya Garg <gargaditya08@xxxxxxxx> wrote:
>
> Greetings from t2linux!
>
> 2 years ago an attempt was made to send the driver for the Touch Bar on
> MacBook Pros by Ronald Tschalär [1].
>
> Due to some issues pointed out by the maintainers upstream, unfortunately
> it didn't make it upstream. Now we at t2linux [2] have addressed those
> issues in this patchset and also improved the touchbar driver for the T2
> Macs. We also have added a new driver for keyboard backlight support on
> T2 MacBooks with Magic Keyboard.
>
> The first 2 patches of this patchset are the ones sent by Ronald before,
> with the issues addressed as pointed out in [1].
>
> The third patch introduces a new driver, apple-magic-backlight, which adds
> support for keyboard backlight on T2 MacBooks with the Magic Keyboard.
>
> Note: Apart from these drivers, for the T2 Macs, an additional driver
> shall be required to communicate with the T2 Security Chip, as the Touch
> Bar, the internal keyboard, trackpad, camera, ambient light sensor,
> headphone controls, and NCM Ethernet are accessed through a USB VHCI
> created with DMA channels to the "T2 Bridge Controller" 106b:1801 PCI
> device. A work in progress linux driver called apple-bce [3], or USB
> device passthrough to a Linux VM guest on a Windows host with Apple
> Bootcamp drivers can be used to get Linux these USB devices working and
> test these patches.
>
> [1] https://lore.kernel.org/lkml/20210228012643.69944-1-ronald@xxxxxxxxxxxxx/
> [2] https://t2linux.org/
> [3] https://github.com/t2linux/apple-bce-drv

Quick observation. Do you miss the Co-developed-by: tags in the patches?

-- 
With Best Regards,
Andy Shevchenko




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