From: Francesco Lavra <flavra@baylibre.com>
To: Andi Shyti <andi.shyti@kernel.org>,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org
Subject: Re: [PATCH v4] i2c: Add FTDI FT4222H USB I2C adapter
Date: Mon, 27 Jul 2026 10:07:08 +0200 [thread overview]
Message-ID: <7d9d7bfac46269c1a66b6aff25a28d12354cc3c3.camel@baylibre.com> (raw)
In-Reply-To: <f5991c1e5c1c71746b543258ead46caac0e6ac6e.camel@baylibre.com>
Another friendly ping
On Thu, 2026-04-30 at 17:40 +0200, Francesco Lavra wrote:
> Friendly ping
>
> On Wed, 2026-02-25 at 12:20 +0100, Francesco Lavra wrote:
> > FT4222H exports a USB interface to operate as I2C bus master when set
> > up
> > (via the DCNF pins) in configuration mode 0 or 3.
> > The USB communication protocol implemented by the FT4222 chip is not
> > publicly documented, therefore the name assigned to the various defines
> > used in the USB communication code is a semi-educated guess after
> > sniffing
> > USB traffic generated with the FTDI FT4222 userspace library.
> >
> > Signed-off-by: Francesco Lavra <flavra@baylibre.com>
>
next prev parent reply other threads:[~2026-07-27 8:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 11:20 Francesco Lavra
2026-04-30 15:40 ` Francesco Lavra
2026-07-27 8:07 ` Francesco Lavra [this message]
2026-09-10 9:16 ` Francesco Lavra
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