Linux LED subsystem development
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From: Andreas Bergmeier <abergmeier@gmx.net>
To: Andreas Bergmeier <abergmeier@gmx.net>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>,
	linux-input@vger.kernel.org,
	USB mailing list <linux-usb@vger.kernel.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Jiri Kosina <jikos@kernel.org>,
	linux-leds@vger.kernel.org,
	Nestor Lopez Casado <nlopezcasad@logitech.com>
Subject: Re: Litra Glow on Linux
Date: Sun, 27 Nov 2022 12:04:09 +0100 (CET)	[thread overview]
Message-ID: <5ea1b921-d4b3-403c-64cd-58939571c638@9300> (raw)
In-Reply-To: <e6cb795-e8c4-4570-7a7b-3bbd133b98cb@9300>


On Sat, 19 Nov 2022, Andreas Bergmeier wrote:

> So after some tinkering I have code now that succeeds in retrieving state
> via sending reports once. After that all following sends time out.
> I am at a loss what I am doing wrong, tbh. RFC below.
I noticed that by default hidraw, hiddev and hid-input are loaded for
Glow. Probably because it exposes a Consumer Control page in Reports.
Is it possible that hid-input interferes with hid-logitech-hidpp?
I was trying to disable hid-input using
- HIDPP_QUIRK_NO_HIDINPUT
- hid_ignore_list

For the former it still seems to load hid-input.
For the latter it doesn't seem to load hid-logitech-hidpp.
I couldn't yet untangle all the hid driver indirections and loading.

      reply	other threads:[~2022-11-27 11:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Y1AVDck5sQf8+QFX@rowland.harvard.edu>
     [not found] ` <CABfF9mPU52OXTGcsbatJCG4nbP4zaPN3iJnttMg+xRyGY6dUEQ@mail.gmail.com>
     [not found]   ` <CAO-hwJJ7cF-4kd8Mi6bb5n-k5LuMrWbpdMqFs82y7iQOscr-7g@mail.gmail.com>
     [not found]     ` <CABfF9mNfU=swmpVXfVr7pYWs72jrd-HDY8+_NXyBDAKa4CWG5Q@mail.gmail.com>
     [not found]       ` <CAO-hwJ+i3zd=CyU0T+Nb1vGfZfenMBH16ern_ncTTKEpyGAuBA@mail.gmail.com>
     [not found]         ` <CABfF9mNrMx2BzU5tbBeapY15M4Ls_5xYBGfVB=Up5TJu=eWCcg@mail.gmail.com>
2022-10-31  9:30           ` Litra Glow on Linux Benjamin Tissoires
2022-11-04  7:45             ` Andreas Bergmeier
2022-11-04 11:40               ` Pavel Machek
2022-11-09 20:27             ` Andreas Bergmeier
2022-11-10  3:29               ` Andreas Bergmeier
2022-11-10  9:22                 ` Benjamin Tissoires
2022-11-10 12:24                   ` Andreas Bergmeier
2022-11-10 13:39                     ` Benjamin Tissoires
2022-11-19 20:18                       ` Andreas Bergmeier
2022-11-27 11:04                         ` Andreas Bergmeier [this message]

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