Re: [PATCH 2/3] usb: typec: ucsi: Enable debugfs for message_out data structure

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Thu, Jun 05, 2025 at 06:38:14PM -0700, Pooja Katiyar wrote:
> Add debugfs entry for writing message_out data structure to handle
> UCSI 2.1 and 3.0 commands through debugfs interface.
> 
> Users writing to the message_out debugfs file should ensure the input
> data adheres to the following format:
> 1. Input must be a non-empty valid hexadecimal string.
> 2. Input length of hexadecimal string must not exceed 256 bytes of
>    length to be in alignment with the message out data structure size
>    as per the UCSI specification v2.1.
> 3. If the input string length is odd, then user needs to prepend a
>    '0' to the first character for proper hex conversion.
> 
> Below are examples of valid hex strings. Note that these values are
> just examples. The exact values depend on specific command use case.
> 
> 	#echo 1A2B3C4D > message_out
> 	#echo 01234567 > message_out

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>


-- 
With Best Regards,
Andy Shevchenko