Re: [PATCH v5 0/6] Add spi-hid, transport for HID over SPI bus

Konrad Dybcio
2025-02-25T21:00:11Z

On 7.07.2022 6:58 PM, Jarrett Schultz wrote:
> From: Jarrett Schultz <jaschultz@microsoft.com>
>
> Surface Duo devices use a touch digitizer that communicates to the main
> SoC via SPI and presents itself as a HID device. This patch's goal is to
> add the spi-hid transport driver to drivers/hid. The driver follows the
> publically available HID Over SPI Protocol Specification version 1.0.
>
> The specification is available at
> https://www.microsoft.com/en-us/download/details.aspx?id=103325.

Hi, I know this is a bit of an old thread..

The spec mentions some oddities around dual or quad SPI - do you
perhaps have some version of this patchset that implements those?

Konrad