From: Johan Hovold <johan@kernel.org>
To: linux-usb@vger.kernel.org
Cc: gregkh@linuxfoundation.org, Blake LaFleur <blake.k.lafleur@gmail.com>
Subject: Re: [PATCH] USB: serial: ch341: Add product ID for CH9102
Date: Wed, 8 Jan 2025 11:34:02 +0100 [thread overview]
Message-ID: <Z35Umg4mgUd-9SPY@hovoldconsulting.com> (raw)
In-Reply-To: <Z1lc8O22rnS_e9w0@hovoldconsulting.com>
On Wed, Dec 11, 2024 at 10:35:44AM +0100, Johan Hovold wrote:
> On Sun, Dec 08, 2024 at 02:11:15AM -0600, Blake LaFleur wrote:
> > Adds a PID for the CH9102 chipset that can be found in some cheap ESP
> > development boards.
> >
> > Example: LILYGO T-Display (and its S3 variant)
> > https://lilygo.cc/products/lilygo%C2%AE-ttgo-t-display-1-14-inch-lcd-esp32-control-board
> >
> > After patching the driver to include idProduct=0x55d4 the devices work
> > as expected.
>
> Thanks for the patch. This is the first time I hear of CH9102.
>
> Are there any errors or messages at all in the logs when you use this
> device or does it appear to be perfectly compatible with the older
> models?
For the record, Blake reported off list that this device is in fact a
CDC-ACM device.
There is a vendor driver here:
https://github.com/WCHSoftGroup/ch343ser_linux
Johan
prev parent reply other threads:[~2025-01-08 10:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-08 8:11 [PATCH] USB: serial: ch341: Add product ID for CH9102 Blake LaFleur
2024-12-11 9:35 ` Johan Hovold
2025-01-08 10:34 ` Johan Hovold [this message]
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