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

From: Christoph Fritz
Date: Sat May 07 2011 - 18:25:06 EST


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.

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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