Re: [PATCH v10 1/3] drivers: ddcci: add drivers for DDCCI

[Greg KH]

On Sun, Apr 03, 2022 at 04:08:49PM -0700, Yusuf Khan wrote:
> This patch adds the main DDCCI driver. This interfaces with I2C to allow the
> kernel to communicate with DDCCI supporting monitors, it exports a chardev
> and sysfs interface for userspace.

Where is the Documentation/ABI/ entries for the sysfs code, and where is
the userspace code that uses the chardev interface?  And why chardev?

This text says _what_ you are doing, but not _why_ you are doing it.

thanks,

greg k-h