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From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
To: Samuel Thibault <samuel.thibault@ens-lyon.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] Input: leds - force the LED status after .probe()
Date: Fri, 27 Jan 2017 19:19:25 +0100	[thread overview]
Message-ID: <20170127181925.GI13244@mail.corp.redhat.com> (raw)
In-Reply-To: <20170127173400.GA9511@var.bordeaux.inria.fr>

On Jan 27 2017 or thereabouts, Samuel Thibault wrote:
> Benjamin Tissoires, on Fri 27 Jan 2017 18:13:18 +0100, wrote:
> > Once the host has set the initial setting of the LEDs after a new
> > USB keyboard gets connected, they appear to have a SET_IDLE command
> > sent which turns of the LEDs.
> > This means that the initial step of setting the LEDs on a keyboard is
> > just reset once .probe() finishes.
> > To be sure we set the LEDs, start a delayed task to try to resend
> > them after 1 sec.
> 
> If there is such issue, I'd say fix the issue (what is sending
> SET_IDLE?) instead of working around it.
> 

That is the question. I am not even sure who sends the SET_IDLE, and if
this is something that can be controlled without disturbing too many
devices. I'll dig further then.

Cheers,
Benjamin

  reply	other threads:[~2017-01-27 18:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-27 17:13 [PATCH 0/4] TTY: fix Caps Lock LED Benjamin Tissoires
2017-01-27 17:13 ` [PATCH 1/4] tty/vt/keyboard: use defined macros for masks Benjamin Tissoires
2017-01-27 17:18   ` Samuel Thibault
2017-01-27 17:13 ` [PATCH 2/4] tty/vt/keyboard: Fix Caps Lock LED on major distributions Benjamin Tissoires
2017-01-27 17:25   ` Samuel Thibault
2017-01-27 17:29     ` Dmitry Torokhov
2017-01-27 17:13 ` [PATCH 3/4] tty/vt/keyboard: reset the LEDs state at each console change Benjamin Tissoires
2017-01-27 17:31   ` Samuel Thibault
2017-01-27 18:18     ` Benjamin Tissoires
2017-01-27 17:13 ` [PATCH 4/4] Input: leds - force the LED status after .probe() Benjamin Tissoires
2017-01-27 17:34   ` Samuel Thibault
2017-01-27 18:19     ` Benjamin Tissoires [this message]
2017-01-27 17:23 ` [PATCH 0/4] TTY: fix Caps Lock LED Samuel Thibault
2017-01-27 18:34   ` Benjamin Tissoires
2017-01-27 18:47     ` Samuel Thibault

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