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HID: Sunplus Wireless Desktop needs report descriptor fixup

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This device has reports lower logical maximum compared to the real
usages for Zoom+ and Zoom- it emits.

This patch bumps the values in the report descriptor up, and also
adjusts HID_MAX_USAGE accordingly.

Reported-by: Khelben Blackstaff <eye.of.the.8eholder@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Jiri Kosina 2008-03-14 16:53:07 +01:00
parent 974faac464
commit 5f1ab74f65
3 changed files with 42 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
drivers/hid/hid-input-quirks.c
View file

@ -276,6 +276,21 @@ static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
return 1;
}
static int quirk_sunplus_wdesktop(struct hid_usage *usage, struct input_dev *input,
unsigned long **bit, int *max)
{
if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
return 0;
switch (usage->hid & HID_USAGE) {
case 0x2003: map_key_clear(KEY_ZOOMIN); break;
case 0x2103: map_key_clear(KEY_ZOOMOUT); break;
default:
return 0;
}
return 1;
}
#define VENDOR_ID_BELKIN 0x1020
#define DEVICE_ID_BELKIN_WIRELESS_KEYBOARD 0x0006
@ -306,6 +321,9 @@ static int quirk_btc_8193(struct hid_usage *usage, struct input_dev *input,
#define VENDOR_ID_PETALYNX 0x18b1
#define DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037
#define VENDOR_ID_SUNPLUS 0x04fc
#define DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8
static const struct hid_input_blacklist {
__u16 idVendor;
__u16 idProduct;
@ -332,7 +350,9 @@ static const struct hid_input_blacklist {
{ VENDOR_ID_MONTEREY, DEVICE_ID_GENIUS_KB29E, quirk_cherry_genius_29e },
{ VENDOR_ID_PETALYNX, DEVICE_ID_PETALYNX_MAXTER_REMOTE, quirk_petalynx_remote },
{ VENDOR_ID_SUNPLUS, DEVICE_ID_SUNPLUS_WDESKTOP, quirk_sunplus_wdesktop },
{ 0, 0, 0 }
};

19
drivers/hid/usbhid/hid-quirks.c
View file

@ -381,6 +381,9 @@
#define USB_VENDOR_ID_SUN 0x0430
#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab
#define USB_VENDOR_ID_SUNPLUS 0x04fc
#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8
#define USB_VENDOR_ID_TOPMAX 0x0663
#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103
@ -735,6 +738,8 @@ static const struct hid_rdesc_blacklist {
{ USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE, HID_QUIRK_RDESC_SAMSUNG_REMOTE },
{ USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP, HID_QUIRK_RDESC_SUNPLUS_WDESKTOP },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
{ USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2, HID_QUIRK_RDESC_SWAPPED_MIN_MAX },
@ -1009,6 +1014,17 @@ static void usbhid_fixup_logitech_descriptor(unsigned char *rdesc, int rsize)
}
}
static void usbhid_fixup_sunplus_wdesktop(unsigned char *rdesc, int rsize)
{
if (rsize >= 107 && rdesc[104] == 0x26
&& rdesc[105] == 0x80
&& rdesc[106] == 0x03) {
printk(KERN_INFO "Fixing up Sunplus Wireless Desktop report descriptor\n");
rdesc[105] = rdesc[110] = 0x03;
rdesc[106] = rdesc[111] = 0x21;
}
}
/*
* Samsung IrDA remote controller (reports as Cypress USB Mouse).
*
@ -1182,4 +1198,7 @@ void usbhid_fixup_report_descriptor(const u16 idVendor, const u16 idProduct,
__usbhid_fixup_report_descriptor(quirks, rdesc, rsize);
}
if (quirks & HID_QUIRK_RDESC_SUNPLUS_WDESKTOP)
usbhid_fixup_sunplus_wdesktop(rdesc, rsize);
}

3
include/linux/hid.h
View file

@ -298,6 +298,7 @@ struct hid_item {
#define HID_QUIRK_RDESC_BUTTON_CONSUMER 0x00000020
#define HID_QUIRK_RDESC_SAMSUNG_REMOTE 0x00000040
#define HID_QUIRK_RDESC_MICROSOFT_RECV_1028 0x00000080
#define HID_QUIRK_RDESC_SUNPLUS_WDESKTOP 0x00000100
/*
* This is the global environment of the parser. This information is
@ -322,7 +323,7 @@ struct hid_global {
* This is the local environment. It is persistent up the next main-item.
*/
#define HID_MAX_USAGES 8192
#define HID_MAX_USAGES 12288
#define HID_DEFAULT_NUM_COLLECTIONS 16
struct hid_local {