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List:       git-commits-head
Subject:    HID: usbhid: Quirk a AMI virtual mouse and keyboard with ALWAYS_POLL
From:       "Linux Kernel Mailing List" <linux-kernel () vger ! kernel ! org>
Date:       2017-01-31 21:57:06
Message-ID: 20170131215706.76ED6660F3B () gitolite ! kernel ! org
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Web:        https://git.kernel.org/torvalds/c/ed9ab4287f96e66340e0390e2c583f2f9110cba0
Commit:     ed9ab4287f96e66340e0390e2c583f2f9110cba0
Parent:     282e4637bc1c0b338708bcebd09d31c69abec070
Refname:    refs/heads/master
Author:     Colin Ian King <colin.king@canonical.com>
AuthorDate: Thu Jan 26 17:34:40 2017 +0000
Committer:  Jiri Kosina <jkosina@suse.cz>
CommitDate: Thu Jan 26 21:53:26 2017 +0100

    HID: usbhid: Quirk a AMI virtual mouse and keyboard with ALWAYS_POLL
    
    Quirking the following AMI USB device with ALWAYS_POLL fixes an AMI
    virtual keyboard and mouse from not responding and timing out when
    it is attached to a ppc64el Power 8 system and when we have some
    rapid open/closes on the mouse device.
    
     usb 1-3: new high-speed USB device number 2 using xhci_hcd
     usb 1-3: New USB device found, idVendor=046b, idProduct=ff01
     usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
     usb 1-3: Product: Virtual Hub
     usb 1-3: Manufacturer: American Megatrends Inc.
     usb 1-3: SerialNumber: serial
     usb 1-3.3: new high-speed USB device number 3 using xhci_hcd
     usb 1-3.3: New USB device found, idVendor=046b, idProduct=ff31
     usb 1-3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
     usb 1-3.3: Product: Virtual HardDisk Device
     usb 1-3.3: Manufacturer: American Megatrends Inc.
     usb 1-3.4: new low-speed USB device number 4 using xhci_hcd
     usb 1-3.4: New USB device found, idVendor=046b, idProduct=ff10
     usb 1-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
     usb 1-3.4: Product: Virtual Keyboard and Mouse
     usb 1-3.4: Manufacturer: American Megatrends Inc.
    
    With the quirk I have not been able to trigger the issue with
    half an hour of saturation soak testing.
    
    Signed-off-by: Colin Ian King <colin.king@canonical.com>
    Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---
 drivers/hid/hid-ids.h           | 3 +++
 drivers/hid/usbhid/hid-quirks.c | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index f46f2c5..350accf 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -76,6 +76,9 @@
 #define USB_VENDOR_ID_ALPS_JP		0x044E
 #define HID_DEVICE_ID_ALPS_U1_DUAL	0x120B
 
+#define USB_VENDOR_ID_AMI		0x046b
+#define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE	0xff10
+
 #define USB_VENDOR_ID_ANTON		0x1130
 #define USB_DEVICE_ID_ANTON_TOUCH_PAD	0x3101
 
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index e9d6cc7..30a2977 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -57,6 +57,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_AIREN, USB_DEVICE_ID_AIREN_SLIMPLUS, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_AKAI, USB_DEVICE_ID_AKAI_MPKMINI2, HID_QUIRK_NO_INIT_REPORTS },
 	{ USB_VENDOR_ID_AKAI_09E8, USB_DEVICE_ID_AKAI_09E8_MIDIMIX, HID_QUIRK_NO_INIT_REPORTS },
+	{ USB_VENDOR_ID_AMI, USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE, HID_QUIRK_ALWAYS_POLL },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET },
--
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