Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Fri, 20 Jan 2023 11:23:17 +0200
From:   Heikki Krogerus <heikki.krogerus@linux.intel.com>
To:     Prashant Malani <pmalani@chromium.org>
Cc:     linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
        bleung@chromium.org, stable@vger.kernel.org
Subject: Re: [PATCH] usb: typec: altmodes/displayport: Update active state
Message-ID: <Y8pdha65Co0DCihr@kuha.fi.intel.com>
References: <20230118031514.1278139-1-pmalani@chromium.org>
 <Y8e+YlKiC6FHdQ5s@kuha.fi.intel.com>
 <CACeCKafPzxYWh5a4xmeggc+4zRou73kHnwV-G5xMfQDheGgGdg@mail.gmail.com>
 <Y8kMsw/wT35KN7VK@kuha.fi.intel.com>
 <CACeCKaceu1KCPtpavBn23qyM29Eacxhm6L9SN78ZQxdzRCOk6Q@mail.gmail.com>
 <CACeCKaea_ZtzUZNAHMaDU9ff_BBs6sF_DqqMnkFcW_=_txVL4w@mail.gmail.com>
 <Y8pb+BTd7VJqwLzq@kuha.fi.intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Y8pb+BTd7VJqwLzq@kuha.fi.intel.com>
Precedence: bulk

On Fri, Jan 20, 2023 at 11:16:43AM +0200, Heikki Krogerus wrote:
> It's not be possible to enter a mode with tcpm.c unless there is
> a driver for the altmode currently. Something has to take care of the
> altmode, and if that something is not the altmode driver it would need
> to be the user space. Right now we don't have an interface for that.
> 
> In any case, if there's no driver for the altmode, then the partner
> altmode "active" file should not be visible.

I meant read-only :-).

thanks,

-- 
heikki