linux-kernel - Re: USB keyboard recognized as HID keyboard but doesn't work

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Message-ID: <4DC8F62E.90308@sieker.io>
Date:	Tue, 10 May 2011 10:24:14 +0200
From:	"Adi J. Sieker" <adi@...ker.io>
To:	Christoph Fritz <chf.fritz@...glemail.com>
CC:	Jiri Kosina <jkosina@...e.cz>,
	Alan Stern <stern@...land.harvard.edu>,
	Oliver Neukum <oliver@...kum.org>,
	USB list <linux-usb@...r.kernel.org>,
	linux-input@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: USB keyboard recognized as HID keyboard but doesn't work

On 08/05/11 00:24, Christoph Fritz wrote:
> On Fri, 2011-05-06 at 15:59 +0200, Adi J. Sieker wrote:
>> On 06/05/11 14:58, Jiri Kosina wrote:
>>> On Tue, 3 May 2011, Alan Stern wrote:
>>>
>>>>> Do you know of a way for me to tell the kernel/usbhid to use interface 1
>>>>> and ignore interface 0?
>>>>
>>>> Well, you can always unbind interface 0 from usbhid -- it corresponds
>>>> to the 2-1.1:1.0 file in /sys/bus/usb/drivers/usbhid/.  If you do that,
>>>> you'll probably find the few keys which _do_ currently work suddenly
>>>> stop working.
>>>>
>>>> But there's nothing to be done immediately about interface 1; usbhid is
>>>> _already_ using it.  It just isn't using it correctly.
>>>
>>> Adi,
>>>
>>> could you please provide output of
>>>
>>> 	cat /syse/kernel/debug/hid/<keyboard>/rdesc
>>>
>>> anytime after the keyboard has been plugged, and
>>
>> in /sys/kernel/debug/hid I have two devices for the keyboard. One is
>> 0003:060B:0230.0002 and the other 0003:060B:0230.0003
>>
>> attached are the rdesc files for both devices.
>>
>>>
>>> 	cat /syse/kernel/debug/hid/<keyboard>/events
>>   >  from the time you press any of the working and non-working keys? (both
>>   >  cases will be interesting).
>>
>> I only get events for the working keys on the *:0002 device.
>> All other files were empty after I pressed some keys.
>>
>> The events for the working keys are attached in the *.events file.
>> I first pressed backspace and then the menu key.
>
> Hi Adi,
>
>   I'm not sure about my patch below because of interface one, maybe you
> can give it a try.
>
Hi Christoph,

I haven't gotten around to compiling a new kernel yet.
Tzy-Jye Daniel Lin mentioned in a mail to me that adding
usbhid.quirks=0x060b:0x0230:0x0040 to the kernel command line
would achieve the same as the patch you posted.
I did try that on a 2.6.32 kernel and that didn't help.
I'll still generate a new kernel with your patch applied it's probably 
going to take a couple of days though.

Cheers
    Adi


the suppllied patch


> Thanks,
>   -- chf
>
> ---
> Subject: [PATCH] HID: add quirk for Solid Year keyboard ACK231
>
> This patch adds HID_QUIRK_MULTI_INPUT to Solid Year keyboard ACK231
> which reports keystrokes from inside a firmware-configuration
> interface instead of using its own interface.
>
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 00a94b5..abbace9 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -528,6 +528,9 @@
>   #define USB_VENDOR_ID_SKYCABLE			0x1223
>   #define	USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER	0x3F07
>
> +#define USB_VENDOR_ID_SOLIDYEAR		0x060b
> +#define USB_DEVICE_ID_SOLIDYEAR_KEYBOARD_ACK231	0x0230
> +
>   #define USB_VENDOR_ID_SONY			0x054c
>   #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE	0x024b
>   #define USB_DEVICE_ID_SONY_PS3_CONTROLLER	0x0268
> diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
> index a8426f1..b099380 100644
> --- a/drivers/hid/usbhid/hid-quirks.c
> +++ b/drivers/hid/usbhid/hid-quirks.c
> @@ -49,6 +49,7 @@
>   	{ USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT },
>   	{ USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
>   	{ USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT },
> +	{ USB_VENDOR_ID_SOLIDYEAR, USB_DEVICE_ID_SOLIDYEAR_KEYBOARD_ACK231, HID_QUIRK_MULTI_INPUT },
>   	{ USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS, HID_QUIRK_MULTI_INPUT },
>
>   	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
>
>

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