HID: Sunplus Wireless Desktop needs report descriptor fixup

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>

1 files changed, 21 insertions, 1 deletions

diff --git a/drivers/hid/hid-input-quirks.c b/drivers/hid/hid-input-quirks.c
index dceadd0c1419..845d31d08fa5 100644
--- a/drivers/hid/hid-input-quirks.c
+++ b/drivers/hid/hid-input-quirks.c
@@ -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 }
 };