11 files changed, 173 insertions, 64 deletions

diff --git a/drivers/usb/input/Kconfig b/drivers/usb/input/Kconfig
index 20db36448ab3..661af7aa6236 100644
--- a/drivers/usb/input/Kconfig
+++ b/drivers/usb/input/Kconfig
@@ -221,6 +221,7 @@ config USB_TOUCHSCREEN
           - ITM
           - some other eTurboTouch
           - Gunze AHL61
+          - DMC TSC-10/25
 
           Have a look at <http://linux.chapter7.ch/touchkit/> for
           a usage description and the required user-space stuff.
@@ -258,6 +259,11 @@ config USB_TOUCHSCREEN_GUNZE
         bool "Gunze AHL61 device support" if EMBEDDED
         depends on USB_TOUCHSCREEN
 
+config USB_TOUCHSCREEN_DMC_TSC10
+        default y
+        bool "DMC TSC-10/25 device support" if EMBEDDED
+        depends on USB_TOUCHSCREEN
+
 config USB_YEALINK
         tristate "Yealink usb-p1k voip phone"
         depends on USB && INPUT && EXPERIMENTAL
diff --git a/drivers/usb/input/ati_remote.c b/drivers/usb/input/ati_remote.c
index f659f3028ad2..ff23318dc301 100644
--- a/drivers/usb/input/ati_remote.c
+++ b/drivers/usb/input/ati_remote.c
@@ -630,19 +630,14 @@ static int ati_remote_alloc_buffers(struct usb_device *udev,
  */
 static void ati_remote_free_buffers(struct ati_remote *ati_remote)
 {
-        if (ati_remote->irq_urb)
-                usb_free_urb(ati_remote->irq_urb);
+        usb_free_urb(ati_remote->irq_urb);
+        usb_free_urb(ati_remote->out_urb);
 
-        if (ati_remote->out_urb)
-                usb_free_urb(ati_remote->out_urb);
+        usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
+                ati_remote->inbuf, ati_remote->inbuf_dma);
 
-        if (ati_remote->inbuf)
-                usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
-                                ati_remote->inbuf, ati_remote->inbuf_dma);
-
-        if (ati_remote->outbuf)
-                usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
-                                ati_remote->inbuf, ati_remote->outbuf_dma);
+        usb_buffer_free(ati_remote->udev, DATA_BUFSIZE,
+                ati_remote->outbuf, ati_remote->outbuf_dma);
 }
 
 static void ati_remote_input_init(struct ati_remote *ati_remote)
diff --git a/drivers/usb/input/ati_remote2.c b/drivers/usb/input/ati_remote2.c
index f982a2b4a7f9..83f1f79db7c7 100644
--- a/drivers/usb/input/ati_remote2.c
+++ b/drivers/usb/input/ati_remote2.c
@@ -372,8 +372,7 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2)
         int i;
 
         for (i = 0; i < 2; i++) {
-                if (ar2->urb[i])
-                        usb_free_urb(ar2->urb[i]);
+                usb_free_urb(ar2->urb[i]);
 
                 if (ar2->buf[i])
                         usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index ebc9e823a46e..4295bab4f1e2 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -968,21 +968,30 @@ static void hid_retry_timeout(unsigned long _hid)
                 hid_io_error(hid);
 }
 
-/* Workqueue routine to reset the device */
+/* Workqueue routine to reset the device or clear a halt */
 static void hid_reset(struct work_struct *work)
 {
         struct hid_device *hid =
                 container_of(work, struct hid_device, reset_work);
-        int rc_lock, rc;
-
-        dev_dbg(&hid->intf->dev, "resetting device\n");
-        rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
-        if (rc_lock >= 0) {
-                rc = usb_reset_composite_device(hid->dev, hid->intf);
-                if (rc_lock)
-                        usb_unlock_device(hid->dev);
+        int rc_lock, rc = 0;
+
+        if (test_bit(HID_CLEAR_HALT, &hid->iofl)) {
+                dev_dbg(&hid->intf->dev, "clear halt\n");
+                rc = usb_clear_halt(hid->dev, hid->urbin->pipe);
+                clear_bit(HID_CLEAR_HALT, &hid->iofl);
+                hid_start_in(hid);
+        }
+
+        else if (test_bit(HID_RESET_PENDING, &hid->iofl)) {
+                dev_dbg(&hid->intf->dev, "resetting device\n");
+                rc = rc_lock = usb_lock_device_for_reset(hid->dev, hid->intf);
+                if (rc_lock >= 0) {
+                        rc = usb_reset_composite_device(hid->dev, hid->intf);
+                        if (rc_lock)
+                                usb_unlock_device(hid->dev);
+                }
+                clear_bit(HID_RESET_PENDING, &hid->iofl);
         }
-        clear_bit(HID_RESET_PENDING, &hid->iofl);
 
         switch (rc) {
         case 0:
@@ -1024,9 +1033,8 @@ static void hid_io_error(struct hid_device *hid)
 
                 /* Retries failed, so do a port reset */
                 if (!test_and_set_bit(HID_RESET_PENDING, &hid->iofl)) {
-                        if (schedule_work(&hid->reset_work))
-                                goto done;
-                        clear_bit(HID_RESET_PENDING, &hid->iofl);
+                        schedule_work(&hid->reset_work);
+                        goto done;
                 }
         }
 
@@ -1050,6 +1058,11 @@ static void hid_irq_in(struct urb *urb)
                         hid->retry_delay = 0;
                         hid_input_report(HID_INPUT_REPORT, urb, 1);
                         break;
+                case -EPIPE:            /* stall */
+                        clear_bit(HID_IN_RUNNING, &hid->iofl);
+                        set_bit(HID_CLEAR_HALT, &hid->iofl);
+                        schedule_work(&hid->reset_work);
+                        return;
                 case -ECONNRESET:       /* unlink */
                 case -ENOENT:
                 case -ESHUTDOWN:        /* unplug */
@@ -1628,6 +1641,19 @@ void hid_init_reports(struct hid_device *hid)
 
 #define USB_VENDOR_ID_APPLE             0x05ac
 #define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304
+#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI       0x020e
+#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO        0x020f
+#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214
+#define USB_DEVICE_ID_APPLE_GEYSER_ISO  0x0215
+#define USB_DEVICE_ID_APPLE_GEYSER_JIS  0x0216
+#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI        0x0217
+#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218
+#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219
+#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI        0x021a
+#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b
+#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c
+#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY    0x030a
+#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY     0x030b
 
 #define USB_VENDOR_ID_CHERRY            0x046a
 #define USB_DEVICE_ID_CHERRY_CYMOTION   0x0023
@@ -1795,17 +1821,19 @@ static const struct hid_blacklist {
 
         { USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION, HID_QUIRK_CYMOTION },
 
-        { USB_VENDOR_ID_APPLE, 0x020E, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x020F, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x0214, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x0215, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
-        { USB_VENDOR_ID_APPLE, 0x0216, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x0217, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x0218, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
-        { USB_VENDOR_ID_APPLE, 0x0219, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x021B, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x030A, HID_QUIRK_POWERBOOK_HAS_FN },
-        { USB_VENDOR_ID_APPLE, 0x030B, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO, HID_QUIRK_POWERBOOK_HAS_FN | HID_QUIRK_POWERBOOK_ISO_KEYBOARD},
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
+        { USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY, HID_QUIRK_POWERBOOK_HAS_FN },
 
         { USB_VENDOR_ID_PANJIT, 0x0001, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_PANJIT, 0x0002, HID_QUIRK_IGNORE },
@@ -1986,7 +2014,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
                 if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
                         interval = hid_mousepoll_interval;
 
-                if (endpoint->bEndpointAddress & USB_DIR_IN) {
+                if (usb_endpoint_dir_in(endpoint)) {
                         if (hid->urbin)
                                 continue;
                         if (!(hid->urbin = usb_alloc_urb(0, GFP_KERNEL)))
@@ -2068,13 +2096,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
         return hid;
 
 fail:
-
-        if (hid->urbin)
-                usb_free_urb(hid->urbin);
-        if (hid->urbout)
-                usb_free_urb(hid->urbout);
-        if (hid->urbctrl)
-                usb_free_urb(hid->urbctrl);
+        usb_free_urb(hid->urbin);
+        usb_free_urb(hid->urbout);
+        usb_free_urb(hid->urbctrl);
         hid_free_buffers(dev, hid);
         hid_free_device(hid);
 
@@ -2105,8 +2129,7 @@ static void hid_disconnect(struct usb_interface *intf)
 
         usb_free_urb(hid->urbin);
         usb_free_urb(hid->urbctrl);
-        if (hid->urbout)
-                usb_free_urb(hid->urbout);
+        usb_free_urb(hid->urbout);
 
         hid_free_buffers(hid->dev, hid);
         hid_free_device(hid);
diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h
index 0e76e6dcac37..2a9bf07944c0 100644
--- a/drivers/usb/input/hid.h
+++ b/drivers/usb/input/hid.h
@@ -385,6 +385,7 @@ struct hid_control_fifo {
 #define HID_IN_RUNNING          3
 #define HID_RESET_PENDING       4
 #define HID_SUSPENDED           5
+#define HID_CLEAR_HALT          6
 
 struct hid_input {
         struct list_head list;
diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c
index c73285cf8558..dac88640eab6 100644
--- a/drivers/usb/input/usbkbd.c
+++ b/drivers/usb/input/usbkbd.c
@@ -208,10 +208,8 @@ static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd)
 
 static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd)
 {
-        if (kbd->irq)
-                usb_free_urb(kbd->irq);
-        if (kbd->led)
-                usb_free_urb(kbd->led);
+        usb_free_urb(kbd->irq);
+        usb_free_urb(kbd->led);
         if (kbd->new)
                 usb_buffer_free(dev, 8, kbd->new, kbd->new_dma);
         if (kbd->cr)
@@ -236,9 +234,7 @@ static int usb_kbd_probe(struct usb_interface *iface,
                 return -ENODEV;
 
         endpoint = &interface->endpoint[0].desc;
-        if (!(endpoint->bEndpointAddress & USB_DIR_IN))
-                return -ENODEV;
-        if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+        if (!usb_endpoint_is_int_in(endpoint))
                 return -ENODEV;
 
         pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
diff --git a/drivers/usb/input/usbmouse.c b/drivers/usb/input/usbmouse.c
index cbbbea332ed7..68a55642c082 100644
--- a/drivers/usb/input/usbmouse.c
+++ b/drivers/usb/input/usbmouse.c
@@ -126,9 +126,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i
                 return -ENODEV;
 
         endpoint = &interface->endpoint[0].desc;
-        if (!(endpoint->bEndpointAddress & USB_DIR_IN))
-                return -ENODEV;
-        if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
+        if (!usb_endpoint_is_int_in(endpoint))
                 return -ENODEV;
 
         pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress);
diff --git a/drivers/usb/input/usbtouchscreen.c b/drivers/usb/input/usbtouchscreen.c
index 933ceddf3dee..49704d4ed0e2 100644
--- a/drivers/usb/input/usbtouchscreen.c
+++ b/drivers/usb/input/usbtouchscreen.c
@@ -8,6 +8,7 @@
  *  - PanJit TouchSet
  *  - eTurboTouch
  *  - Gunze AHL61
+ *  - DMC TSC-10/25
  *
  * Copyright (C) 2004-2006 by Daniel Ritz <daniel.ritz@gmx.ch>
  * Copyright (C) by Todd E. Johnson (mtouchusb.c)
@@ -30,6 +31,8 @@
  * - ITM parts are from itmtouch.c
  * - 3M parts are from mtouchusb.c
  * - PanJit parts are from an unmerged driver by Lanslott Gish
+ * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged
+ *   driver from Marius Vollmer
  *
  *****************************************************************************/
 
@@ -44,7 +47,7 @@
 #include <linux/usb/input.h>
 
 
-#define DRIVER_VERSION          "v0.4"
+#define DRIVER_VERSION          "v0.5"
 #define DRIVER_AUTHOR           "Daniel Ritz <daniel.ritz@gmx.ch>"
 #define DRIVER_DESC             "USB Touchscreen Driver"
 
@@ -103,6 +106,7 @@ enum {
         DEVTYPE_ITM,
         DEVTYPE_ETURBO,
         DEVTYPE_GUNZE,
+        DEVTYPE_DMC_TSC10,
 };
 
 static struct usb_device_id usbtouch_devices[] = {
@@ -139,6 +143,10 @@ static struct usb_device_id usbtouch_devices[] = {
         {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE},
 #endif
 
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+        {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10},
+#endif
+
         {}
 };
 
@@ -313,6 +321,80 @@ static int gunze_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *
 #endif
 
 /*****************************************************************************
+ * DMC TSC-10/25 Part
+ *
+ * Documentation about the controller and it's protocol can be found at
+ *   http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf
+ *   http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf
+ */
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+
+/* supported data rates. currently using 130 */
+#define TSC10_RATE_POINT        0x50
+#define TSC10_RATE_30           0x40
+#define TSC10_RATE_50           0x41
+#define TSC10_RATE_80           0x42
+#define TSC10_RATE_100          0x43
+#define TSC10_RATE_130          0x44
+#define TSC10_RATE_150          0x45
+
+/* commands */
+#define TSC10_CMD_RESET         0x55
+#define TSC10_CMD_RATE          0x05
+#define TSC10_CMD_DATA1         0x01
+
+static int dmc_tsc10_init(struct usbtouch_usb *usbtouch)
+{
+        struct usb_device *dev = usbtouch->udev;
+        int ret;
+        unsigned char buf[2];
+
+        /* reset */
+        buf[0] = buf[1] = 0xFF;
+        ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+                              TSC10_CMD_RESET,
+                              USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                              0, 0, buf, 2, USB_CTRL_SET_TIMEOUT);
+        if (ret < 0)
+                return ret;
+        if (buf[0] != 0x06 || buf[1] != 0x00)
+                return -ENODEV;
+
+        /* set coordinate output rate */
+        buf[0] = buf[1] = 0xFF;
+        ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+                              TSC10_CMD_RATE,
+                              USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                              TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT);
+        if (ret < 0)
+                return ret;
+        if (buf[0] != 0x06 || buf[1] != 0x00)
+                return -ENODEV;
+
+        /* start sending data */
+        ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0),
+                              TSC10_CMD_DATA1,
+                              USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+                              0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+
+static int dmc_tsc10_read_data(unsigned char *pkt, int *x, int *y, int *touch, int *press)
+{
+        *x = ((pkt[2] & 0x03) << 8) | pkt[1];
+        *y = ((pkt[4] & 0x03) << 8) | pkt[3];
+        *touch = pkt[0] & 0x01;
+
+        return 1;
+}
+#endif
+
+
+/*****************************************************************************
  * the different device descriptors
  */
 static struct usbtouch_device_info usbtouch_dev_info[] = {
@@ -389,6 +471,18 @@ static struct usbtouch_device_info usbtouch_dev_info[] = {
                 .read_data      = gunze_read_data,
         },
 #endif
+
+#ifdef CONFIG_USB_TOUCHSCREEN_DMC_TSC10
+        [DEVTYPE_DMC_TSC10] = {
+                .min_xc         = 0x0,
+                .max_xc         = 0x03ff,
+                .min_yc         = 0x0,
+                .max_yc         = 0x03ff,
+                .rept_size      = 5,
+                .init           = dmc_tsc10_init,
+                .read_data      = dmc_tsc10_read_data,
+        },
+#endif
 };
 
 
diff --git a/drivers/usb/input/wacom.h b/drivers/usb/input/wacom.h
index 1cf08f02c50e..d85abfc5ab58 100644
--- a/drivers/usb/input/wacom.h
+++ b/drivers/usb/input/wacom.h
@@ -110,7 +110,6 @@ struct wacom_combo {
 };
 
 extern int wacom_wac_irq(struct wacom_wac * wacom_wac, void * wcombo);
-extern void wacom_sys_irq(struct urb *urb);
 extern void wacom_report_abs(void *wcombo, unsigned int abs_type, int abs_data);
 extern void wacom_report_rel(void *wcombo, unsigned int rel_type, int rel_data);
 extern void wacom_report_key(void *wcombo, unsigned int key_type, int key_data);
diff --git a/drivers/usb/input/wacom_sys.c b/drivers/usb/input/wacom_sys.c
index 3498b893b53b..e7cc20ab8155 100644
--- a/drivers/usb/input/wacom_sys.c
+++ b/drivers/usb/input/wacom_sys.c
@@ -42,7 +42,7 @@ static struct input_dev * get_input_dev(struct wacom_combo *wcombo)
         return wcombo->wacom->dev;
 }
 
-void wacom_sys_irq(struct urb *urb)
+static void wacom_sys_irq(struct urb *urb)
 {
         struct wacom *wacom = urb->context;
         struct wacom_combo wcombo;
diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c
index 905bf6398257..2268ca311ade 100644
--- a/drivers/usb/input/yealink.c
+++ b/drivers/usb/input/yealink.c
@@ -859,10 +859,8 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 
         interface = intf->cur_altsetting;
         endpoint = &interface->endpoint[0].desc;
-        if (!(endpoint->bEndpointAddress & USB_DIR_IN))
-                return -EIO;
-        if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
-                return -EIO;
+        if (!usb_endpoint_is_int_in(endpoint))
+                return -ENODEV;
 
         yld = kzalloc(sizeof(struct yealink_dev), GFP_KERNEL);
         if (!yld)