linux-kernel - Re: Patch for drivers/usb/serial/ch341.c enabling parity

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Message-ID: <20170403081451.GB25742@localhost>
Date:   Mon, 3 Apr 2017 10:14:51 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Leif Neland <leif@...and.dk>, linux-kernel@...r.kernel.org,
        Johan Hovold <johan@...nel.org>,
        linux-usb <linux-usb@...r.kernel.org>
Subject: Re: Patch for drivers/usb/serial/ch341.c enabling parity

On Sun, Apr 02, 2017 at 10:12:38AM -0700, Joe Perches wrote:
> On Sun, 2017-04-02 at 18:57 +0200, Leif Neland wrote:
> > There is a patch
> > https://github.com/karlp/ch341-linux/blob/master/0001-usb-serial-ch341-Add-parity-support.patch
> > which enables parity selection for the ch341 USB-RS485 adapter.
> > 
> > From: Karl Palsson <karlp@...ak.net.au> Date: Tue, 18 Mar 2014 23:33:27
> > +0000
> > 
> > This adapter is available for cheap on eBay.
> > 
> > The patch made me able to use this adapter for polling my modbus
> > power-meter with raspberry pi.
> > 
> > Would it be possible to get this into the official distribution?

> You should really ask the usb serial maintainer.

Support for changing the parity setting was recently added to this
driver. Please give 4.10 a try.

Johan