linux-kernel - [048/101] HID: usbhid: Add support for SiGma Micro chip

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Date:	Wed, 02 Nov 2011 15:26:32 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Jeremiah Matthey <sprg86@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Jonathan Nieder <jrnieder@...il.com>
Subject: [048/101] HID: usbhid: Add support for SiGma Micro chip

2.6.33-longterm review patch.  If anyone has any objections, please let us know.

------------------

From: Jeremiah Matthey <sprg86@...il.com>

commit f5e4282586dc0c9dab8c7d32e6c43aa07f68586b upstream.

Patch to add SiGma Micro-based keyboards (1c4f:0002) to hid-quirks.

These keyboards dont seem to allow the records to be initialized, and hence a
timeout occurs when the usbhid driver attempts to initialize them. The patch
just adds the signature for these keyboards to the hid-quirks list with the
setting HID_QUIRK_NO_INIT_REPORTS. This removes the 5-10 second wait for the
timeout to occur.

Signed-off-by: Jeremiah Matthey <sprg86@...il.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Jonathan Nieder <jrnieder@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/hid/hid-ids.h           |    3 +++
 drivers/hid/usbhid/hid-quirks.c |    1 +
 2 files changed, 4 insertions(+)

--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -389,6 +389,9 @@
 #define USB_VENDOR_ID_SAMSUNG		0x0419
 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE	0x0001
 
+#define USB_VENDOR_ID_SIGMA_MICRO	0x1c4f
+#define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD	0x0002
+
 #define USB_VENDOR_ID_SONY			0x054c
 #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE	0x024b
 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER	0x0268
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -66,6 +66,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 
+	{ USB_VENDOR_ID_SIGMA_MICRO, USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD, HID_QUIRK_NO_INIT_REPORTS },
 	{ 0, 0 }
 };
 


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