diff options
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r-- | drivers/hid/hid-core.c | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index ea5f8bc..699547c 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1113,6 +1113,80 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i } EXPORT_SYMBOL_GPL(hid_input_report); +int hid_connect(struct hid_device *hdev, unsigned int connect_mask) +{ + static const char *types[] = { "Device", "Pointer", "Mouse", "Device", + "Joystick", "Gamepad", "Keyboard", "Keypad", + "Multi-Axis Controller" + }; + const char *type, *bus; + char buf[64]; + unsigned int i; + int len; + + if (hdev->bus != BUS_USB) + connect_mask &= ~HID_CONNECT_HIDDEV; + + if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, + connect_mask & HID_CONNECT_HIDINPUT_FORCE)) + hdev->claimed |= HID_CLAIMED_INPUT; + if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && + !hdev->hiddev_connect(hdev, + connect_mask & HID_CONNECT_HIDDEV_FORCE)) + hdev->claimed |= HID_CLAIMED_HIDDEV; + if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) + hdev->claimed |= HID_CLAIMED_HIDRAW; + + if (!hdev->claimed) { + dev_err(&hdev->dev, "claimed by neither input, hiddev nor " + "hidraw\n"); + return -ENODEV; + } + + if ((hdev->claimed & HID_CLAIMED_INPUT) && + (connect_mask & HID_CONNECT_FF) && hdev->ff_init) + hdev->ff_init(hdev); + + len = 0; + if (hdev->claimed & HID_CLAIMED_INPUT) + len += sprintf(buf + len, "input"); + if (hdev->claimed & HID_CLAIMED_HIDDEV) + len += sprintf(buf + len, "%shiddev%d", len ? "," : "", + hdev->minor); + if (hdev->claimed & HID_CLAIMED_HIDRAW) + len += sprintf(buf + len, "%shidraw%d", len ? "," : "", + ((struct hidraw *)hdev->hidraw)->minor); + + type = "Device"; + for (i = 0; i < hdev->maxcollection; i++) { + struct hid_collection *col = &hdev->collection[i]; + if (col->type == HID_COLLECTION_APPLICATION && + (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && + (col->usage & 0xffff) < ARRAY_SIZE(types)) { + type = types[col->usage & 0xffff]; + break; + } + } + + switch (hdev->bus) { + case BUS_USB: + bus = "USB"; + break; + case BUS_BLUETOOTH: + bus = "BLUETOOTH"; + break; + default: + bus = "<UNKNOWN>"; + } + + dev_info(&hdev->dev, "%s: %s HID v%x.%02x %s [%s] on %s\n", + buf, bus, hdev->version >> 8, hdev->version & 0xff, + type, hdev->name, hdev->phys); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_connect); + static bool hid_match_one_id(struct hid_device *hdev, const struct hid_device_id *id) { @@ -1238,7 +1312,7 @@ static int hid_device_probe(struct device *dev) } else { /* default probe */ ret = hid_parse(hdev); if (!ret) - ret = hid_hw_start(hdev); + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); } if (ret) hdev->driver = NULL; |