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From: Sakari Ailus <sakari.ailus@iki.fi>
To: Denis Benato <denis.benato@linux.dev>
Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
	"Benjamin Tissoires" <bentiss@kernel.org>,
	"Jiri Kosina" <jikos@kernel.org>,
	"Luke D . Jones" <luke@ljones.dev>,
	"Mateusz Schyboll" <dragonn@op.pl>,
	"Denis Benato" <benato.denis96@gmail.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>
Subject: Re: [PATCH 2/2] hid: asus: always fully initialize devices
Date: Mon, 26 Oct 2026 11:55:41 +0200	[thread overview]
Message-ID: <at8jnW4RaMPJItUK@valkosipuli.retiisi.eu> (raw)
In-Reply-To: <20260216175539.12415-2-denis.benato@linux.dev>

Hi Benato,

On Mon, Feb 16, 2026 at 06:55:39PM +0100, Denis Benato wrote:
> ASUS has more devices other than laptop keyboards which needs
> to be initializated: the init sequence is the same as keyboards.
> 
> ID1 and ID2 are USB report IDs that are correctly enumerated:
> send init commands to all devices that supports those reports IDs.
> 
> Signed-off-by: Denis Benato <denis.benato@linux.dev>

This patch appears to break input devices on Asus T100TA. With the patch
applied, I'm getting a steady flow of:

[  256.358075] usb 1-3: USB disconnect, device number 120
[  257.034324] usb 1-3: new full-speed USB device number 121 using xhci_hcd
[  257.175003] usb 1-3: New USB device found, idVendor=0b05, idProduct=17e0, bcdDevice= 2.49
[  257.175050] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[  257.175073] usb 1-3: Product: ASUS Base Station(T100)
[  257.175091] usb 1-3: Manufacturer: ASUSTek COMPUTER INC.
[  257.180978] input: ASUSTek COMPUTER INC. ASUS Base Station(T100) as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:0B05:17E0.02DB/input/input749
[  257.266585] asus 0003:0B05:17E0.02DB: input,hidraw1: USB HID v1.11 Keyboard [ASUSTek COMPUTER INC. ASUS Base Station(T100)] on usb-0000:00:14.0-3/input0
[  257.270711] asus 0003:0B05:17E0.02DC: Fixing up Asus T100 keyb report descriptor
[  257.272302] input: ASUSTek COMPUTER INC. ASUS Base Station(T100) as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.1/0003:0B05:17E0.02DC/input/input750
[  257.327059] asus 0003:0B05:17E0.02DC: input,hiddev0,hidraw2: USB HID v1.11 Device [ASUSTek COMPUTER INC. ASUS Base Station(T100)] on usb-0000:00:14.0-3/input1
[  257.332642] input: ASUSTek COMPUTER INC. ASUS Base Station(T100) as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.2/0003:0B05:17E0.02DD/input/input751
[  257.334115] asus 0003:0B05:17E0.02DD: input,hiddev1,hidraw3: USB HID v1.11 Mouse [ASUSTek COMPUTER INC. ASUS Base Station(T100)] on usb-0000:00:14.0-3/input2
[  257.336098] asus 0003:0B05:17E0.02DD: Asus handshake 5d failed to send: -71
[  257.336263] asus 0003:0B05:17E0.02DD: Failed to initialize 0x5d: -71.
[  257.336605] asus 0003:0B05:17E0.02DD: Asus failed to start multitouch: -71
[  257.367022] asus 0003:0B05:17E0.02DD: probe with driver asus failed with error -71
[  257.367917] usb 1-3: USB disconnect, device number 121

I haven't tried to debug this yet so just FYI.

-- 
Kind regards,

Sakari Ailus

  parent reply	other threads:[~2026-10-26  9:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-16 17:55 [PATCH 1/2] hid: asus: add xg mobile 2023 external hardware support Denis Benato
2026-02-16 17:55 ` [PATCH 2/2] hid: asus: always fully initialize devices Denis Benato
2026-02-27 13:11   ` Jiri Kosina
2026-10-26  9:55   ` Sakari Ailus [this message]
2026-10-26 10:00     ` Denis Benato
2026-10-26 11:32       ` Sakari Ailus
2026-10-26 11:46         ` Denis Benato
2026-02-27 13:11 ` [PATCH 1/2] hid: asus: add xg mobile 2023 external hardware support Jiri Kosina

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