summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJim Duchek <jim.duchek@gmail.com>2008-03-14 17:53:49 +0300
committerJiri Kosina <jkosina@suse.cz>2008-04-22 13:34:57 +0400
commit974faac46455076c709a745f546b348017ad18dc (patch)
tree8c1297b5025b3af54308176870adfe561ea2f422
parentf345c37c37641beceb0e52f61bb4cbc72904ee09 (diff)
downloadlinux-974faac46455076c709a745f546b348017ad18dc.tar.xz
HID: quirk for MS Wireless Desktop Receiver (model 1028)
Microsoft's wireless desktop receiver (Model 1028) has a bug in the report descriptor -- namely, in four seperate places it uses USAGE_MIN and _MAX when it quite obviously doesn't intend to. In other words, it reports that it has pretty much _everything_ in 'consumer' and 'generic desktop'. And then the X evdev driver believes I have a mouse with 36 absolute axes and a huge pile of keys and buttons, when I in fact, should have zero. 255/256 in three of the cases, and 0-1024 in another. This patch fixes the report descriptor of this device before it enters the HID parser. Signed-off-by: Jim Duchek <jim.duchek@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
-rw-r--r--drivers/hid/usbhid/hid-quirks.c26
-rw-r--r--include/linux/hid.h1
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 54b8f8311f94..81dc5e353dd8 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -335,6 +335,7 @@
#define USB_VENDOR_ID_MICROSOFT 0x045e
#define USB_DEVICE_ID_SIDEWINDER_GV 0x003b
#define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d
+#define USB_DEVICE_ID_DESKTOP_RECV_1028 0x00f9
#define USB_DEVICE_ID_MS_NE4K 0x00db
#define USB_DEVICE_ID_MS_LK6K 0x00f9
@@ -724,6 +725,7 @@ static const struct hid_rdesc_blacklist {
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER, HID_QUIRK_RDESC_LOGITECH },
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER, HID_QUIRK_RDESC_LOGITECH },
{ USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2, HID_QUIRK_RDESC_LOGITECH },
+ { USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_DESKTOP_RECV_1028, HID_QUIRK_RDESC_MICROSOFT_RECV_1028 },
{ USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E, HID_QUIRK_RDESC_BUTTON_CONSUMER },
@@ -1094,6 +1096,28 @@ static void usbhid_fixup_button_consumer_descriptor(unsigned char *rdesc, int rs
}
}
+/*
+ * Microsoft Wireless Desktop Receiver (Model 1028) has several
+ * 'Usage Min/Max' where it ought to have 'Physical Min/Max'
+ */
+static void usbhid_fixup_microsoft_descriptor(unsigned char *rdesc, int rsize)
+{
+ if (rsize == 571 && rdesc[284] == 0x19
+ && rdesc[286] == 0x2a
+ && rdesc[304] == 0x19
+ && rdesc[306] == 0x29
+ && rdesc[352] == 0x1a
+ && rdesc[355] == 0x2a
+ && rdesc[557] == 0x19
+ && rdesc[559] == 0x29) {
+ printk(KERN_INFO "Fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n");
+ rdesc[284] = rdesc[304] = rdesc[558] = 0x35;
+ rdesc[352] = 0x36;
+ rdesc[286] = rdesc[355] = 0x46;
+ rdesc[306] = rdesc[559] = 0x45;
+ }
+}
+
static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned rsize)
{
if ((quirks & HID_QUIRK_RDESC_CYMOTION))
@@ -1117,6 +1141,8 @@ static void __usbhid_fixup_report_descriptor(__u32 quirks, char *rdesc, unsigned
if (quirks & HID_QUIRK_RDESC_SAMSUNG_REMOTE)
usbhid_fixup_samsung_irda_descriptor(rdesc, rsize);
+ if (quirks & HID_QUIRK_RDESC_MICROSOFT_RECV_1028)
+ usbhid_fixup_microsoft_descriptor(rdesc, rsize);
}
/**
diff --git a/include/linux/hid.h b/include/linux/hid.h
index af1f7e57a12d..e9701f22d423 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -297,6 +297,7 @@ struct hid_item {
#define HID_QUIRK_RDESC_MACBOOK_JIS 0x00000010
#define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020
#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040
+#define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080
/*
* This is the global environment of the parser. This information is