HID: add MacBookAir4,2 to hid_have_special_driver[]

[karo-tx-linux.git] / drivers / hid / hid-core.c

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 6f3289a5788812ef573561482f581d04ca6524cc..681387377ed379c668ba1df9d1071f3a8f9df91d 100644 (file)
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -29,6 +29,7 @@
 #include <linux/wait.h>
 #include <linux/vmalloc.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 
 #include <linux/hid.h>
 #include <linux/hiddev.h>
@@ -1085,16 +1086,25 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
        struct hid_report *report;
        char *buf;
        unsigned int i;
-       int ret;
+       int ret = 0;
 
-       if (!hid || !hid->driver)
+       if (!hid)
                return -ENODEV;
+
+       if (down_trylock(&hid->driver_lock))
+               return -EBUSY;
+
+       if (!hid->driver) {
+               ret = -ENODEV;
+               goto unlock;
+       }
        report_enum = hid->report_enum + type;
        hdrv = hid->driver;
 
        if (!size) {
                dbg_hid("empty report\n");
-               return -1;
+               ret = -1;
+               goto unlock;
        }
 
        buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
@@ -1118,18 +1128,24 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
 nomem:
        report = hid_get_report(report_enum, data);
 
-       if (!report)
-               return -1;
+       if (!report) {
+               ret = -1;
+               goto unlock;
+       }
 
        if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
                ret = hdrv->raw_event(hid, report, data, size);
-               if (ret != 0)
-                       return ret < 0 ? ret : 0;
+               if (ret != 0) {
+                       ret = ret < 0 ? ret : 0;
+                       goto unlock;
+               }
        }
 
        hid_report_raw_event(hid, type, data, size, interrupt);
 
-       return 0;
+unlock:
+       up(&hid->driver_lock);
+       return ret;
 }
 EXPORT_SYMBOL_GPL(hid_input_report);
 
@@ -1340,6 +1356,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
@@ -1388,6 +1407,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
        { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
        { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
        { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
@@ -1426,10 +1446,12 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
        { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
@@ -1491,6 +1513,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
        { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
        { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
@@ -1499,11 +1522,14 @@ static const struct hid_device_id hid_have_special_driver[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
+       { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
        { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
 
        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
+       { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
        { }
 };
 
@@ -1610,6 +1636,9 @@ static int hid_device_probe(struct device *dev)
        const struct hid_device_id *id;
        int ret = 0;
 
+       if (down_interruptible(&hdev->driver_lock))
+               return -EINTR;
+
        if (!hdev->driver) {
                id = hid_match_device(hdev, hdrv);
                if (id == NULL)
@@ -1626,14 +1655,20 @@ static int hid_device_probe(struct device *dev)
                if (ret)
                        hdev->driver = NULL;
        }
+
+       up(&hdev->driver_lock);
        return ret;
 }
 
 static int hid_device_remove(struct device *dev)
 {
        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
-       struct hid_driver *hdrv = hdev->driver;
+       struct hid_driver *hdrv;
 
+       if (down_interruptible(&hdev->driver_lock))
+               return -EINTR;
+
+       hdrv = hdev->driver;
        if (hdrv) {
                if (hdrv->remove)
                        hdrv->remove(hdev);
@@ -1642,6 +1677,7 @@ static int hid_device_remove(struct device *dev)
                hdev->driver = NULL;
        }
 
+       up(&hdev->driver_lock);
        return 0;
 }
 
@@ -1771,7 +1807,6 @@ static const struct hid_device_id hid_ignore_list[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
        { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
-       { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_YUREX) },
        { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
        { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
@@ -1912,6 +1947,11 @@ static bool hid_ignore(struct hid_device *hdev)
                    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
                        return true;
                break;
+       case USB_VENDOR_ID_JESS:
+               if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
+                               hdev->type == HID_TYPE_USBNONE)
+                       return true;
+       break;
        }
 
        if (hdev->type == HID_TYPE_USBMOUSE &&
@@ -1985,6 +2025,7 @@ struct hid_device *hid_allocate_device(void)
 
        init_waitqueue_head(&hdev->debug_wait);
        INIT_LIST_HEAD(&hdev->debug_list);
+       sema_init(&hdev->driver_lock, 1);
 
        return hdev;
 err: