diff options
Diffstat (limited to 'drivers/usb/input/hid-core.c')
| -rw-r--r-- | drivers/usb/input/hid-core.c | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 79ddce4555ab..a91e72c41415 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -893,8 +893,10 @@ static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_ size = ((report->size - 1) >> 3) + 1; - if (len < size) + if (len < size) { dbg("report %d is too short, (%d < %d)", report->id, len, size); + memset(data + len, 0, size - len); + } if (hid->claimed & HID_CLAIMED_HIDDEV) hiddev_report_event(hid, report); @@ -1318,6 +1320,7 @@ void hid_init_reports(struct hid_device *hid) #define USB_DEVICE_ID_WACOM_PTU 0x0003 #define USB_DEVICE_ID_WACOM_INTUOS3 0x00B0 #define USB_DEVICE_ID_WACOM_CINTIQ 0x003F +#define USB_DEVICE_ID_WACOM_DTF 0x00C0 #define USB_VENDOR_ID_ACECAD 0x0460 #define USB_DEVICE_ID_ACECAD_FLAIR 0x0004 @@ -1447,11 +1450,14 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_APPLE 0x05ac #define USB_DEVICE_ID_APPLE_POWERMOUSE 0x0304 +#define USB_VENDOR_ID_CHERRY 0x046a +#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 + /* * Alphabetically sorted blacklist by quirk type. */ -static struct hid_blacklist { +static const struct hid_blacklist { __u16 idVendor; __u16 idProduct; unsigned quirks; @@ -1524,6 +1530,9 @@ static struct hid_blacklist { { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 3, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 4, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 5, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 7, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 8, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 9, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 1, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 2, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 3, HID_QUIRK_IGNORE }, @@ -1531,11 +1540,19 @@ static struct hid_blacklist { { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 5, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 7, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 1, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 2, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 3, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 4, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 5, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 6, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PTU, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 1, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 2, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 5, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_CINTIQ, HID_QUIRK_IGNORE }, + { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_DTF, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE }, @@ -1566,6 +1583,16 @@ static struct hid_blacklist { { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD }, { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD }, + { 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 }, + { USB_VENDOR_ID_APPLE, 0x0216, 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 }, + { 0, 0 } }; @@ -1612,6 +1639,20 @@ static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) usb_buffer_free(dev, hid->bufsize, hid->ctrlbuf, hid->ctrlbuf_dma); } +/* + * Cherry Cymotion keyboard have an invalid HID report descriptor, + * that needs fixing before we can parse it. + */ + +static void hid_fixup_cymotion_descriptor(char *rdesc, int rsize) +{ + if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { + info("Fixing up Cherry Cymotion report descriptor"); + rdesc[11] = rdesc[16] = 0xff; + rdesc[12] = rdesc[17] = 0x03; + } +} + static struct hid_device *usb_hid_configure(struct usb_interface *intf) { struct usb_host_interface *interface = intf->cur_altsetting; @@ -1659,6 +1700,9 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) return NULL; } + if ((quirks & HID_QUIRK_CYMOTION)) + hid_fixup_cymotion_descriptor(rdesc, rsize); + #ifdef DEBUG_DATA printk(KERN_DEBUG __FILE__ ": report descriptor (size %u, read %d) = ", rsize, n); for (n = 0; n < rsize; n++) @@ -1916,7 +1960,6 @@ static struct usb_device_id hid_usb_ids [] = { MODULE_DEVICE_TABLE (usb, hid_usb_ids); static struct usb_driver hid_driver = { - .owner = THIS_MODULE, .name = "usbhid", .probe = hid_probe, .disconnect = hid_disconnect, |