From: Oliver Neukum <oneukum@suse.com>
To: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>
Subject: Re: ttyACM and BREAK chars ?
Date: Wed, 11 Sep 2019 16:22:09 +0200 [thread overview]
Message-ID: <1568211729.11279.6.camel@suse.com> (raw)
In-Reply-To: <f7e55901a096024af2d77ae7838df3b658f2c28d.camel@infinera.com>
Am Mittwoch, den 11.09.2019, 12:39 +0000 schrieb Joakim Tjernlund:
> Every now and then my ttyACM0 hangs up or sends a BREAK char to my device.
> I am trying to make ttyACM ignore incoming(over USB) and not emit
> any BREAK automatically using termios (IGN_BRK) but that does not make a difference.
>
> Is BREAK handling unimpl. in ttyACM ?
acm_send_break() implements it.
But the support is optional in ACM devices.
What is bmCapabilities in sysfs for your device?
Regards
Oliver
next prev parent reply other threads:[~2019-09-11 14:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 12:39 ttyACM and BREAK chars ? Joakim Tjernlund
2019-09-11 14:22 ` Oliver Neukum [this message]
2019-09-11 14:34 ` Joakim Tjernlund
2019-09-11 18:27 ` Oliver Neukum
2019-09-12 7:09 ` Joakim Tjernlund
2019-09-12 8:30 ` Oliver Neukum
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