5 files changed, 54 insertions, 8 deletions

diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index d40ed9fdf68d..70b12f89a193 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -64,7 +64,8 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
 #define QUIRK_SKIP_INPUT_MAPPING        BIT(2)
 #define QUIRK_IS_MULTITOUCH             BIT(3)
 
-#define NOTEBOOK_QUIRKS                 QUIRK_FIX_NOTEBOOK_REPORT
+#define KEYBOARD_QUIRKS                 (QUIRK_FIX_NOTEBOOK_REPORT | \
+                                                 QUIRK_NO_INIT_REPORTS)
 #define TOUCHPAD_QUIRKS                 (QUIRK_NO_INIT_REPORTS | \
                                                  QUIRK_SKIP_INPUT_MAPPING | \
                                                  QUIRK_IS_MULTITOUCH)
@@ -170,11 +171,11 @@ static int asus_raw_event(struct hid_device *hdev,
 
 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
 {
+        struct input_dev *input = hi->input;
         struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 
         if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
                 int ret;
-                struct input_dev *input = hi->input;
 
                 input_set_abs_params(input, ABS_MT_POSITION_X, 0, MAX_X, 0, 0);
                 input_set_abs_params(input, ABS_MT_POSITION_Y, 0, MAX_Y, 0, 0);
@@ -191,10 +192,10 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
                         hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
                         return ret;
                 }
-
-                drvdata->input = input;
         }
 
+        drvdata->input = input;
+
         return 0;
 }
 
@@ -286,7 +287,11 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
                 goto err_stop_hw;
         }
 
-        drvdata->input->name = "Asus TouchPad";
+        if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
+                drvdata->input->name = "Asus TouchPad";
+        } else {
+                drvdata->input->name = "Asus Keyboard";
+        }
 
         if (drvdata->quirks & QUIRK_IS_MULTITOUCH) {
                 ret = asus_start_multitouch(hdev);
@@ -315,7 +320,7 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 
 static const struct hid_device_id asus_devices[] = {
         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
-                 USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD), NOTEBOOK_QUIRKS},
+                 USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD), KEYBOARD_QUIRKS},
         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
                          USB_DEVICE_ID_ASUSTEK_TOUCHPAD), TOUCHPAD_QUIRKS },
         { }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index ec277b96eaa1..54bd22dc1411 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -319,6 +319,7 @@
 #define USB_VENDOR_ID_DRAGONRISE                0x0079
 #define USB_DEVICE_ID_DRAGONRISE_WIIU           0x1800
 #define USB_DEVICE_ID_DRAGONRISE_PS3            0x1801
+#define USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR     0x1803
 #define USB_DEVICE_ID_DRAGONRISE_GAMECUBE       0x1843
 
 #define USB_VENDOR_ID_DWAV              0x0eef
@@ -365,6 +366,9 @@
 #define USB_VENDOR_ID_FLATFROG          0x25b5
 #define USB_DEVICE_ID_MULTITOUCH_3200   0x0002
 
+#define USB_VENDOR_ID_FUTABA            0x0547
+#define USB_DEVICE_ID_LED_DISPLAY       0x7000
+
 #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f
 #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100
 
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 5c925228847c..4ef73374a8f9 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -212,7 +212,6 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
         __s32 value;
         int ret = 0;
 
-        memset(buffer, 0, buffer_size);
         mutex_lock(&data->mutex);
         report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
         if (!report || (field_index >= report->maxfield)) {
@@ -256,6 +255,8 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
         int buffer_index = 0;
         int i;
 
+        memset(buffer, 0, buffer_size);
+
         mutex_lock(&data->mutex);
         report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
         if (!report || (field_index >= report->maxfield) ||
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 7687c0875395..f405b07d0381 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -1099,8 +1099,11 @@ struct sony_sc {
         u8 led_delay_on[MAX_LEDS];
         u8 led_delay_off[MAX_LEDS];
         u8 led_count;
+        bool ds4_dongle_connected;
 };
 
+static void sony_set_leds(struct sony_sc *sc);
+
 static inline void sony_schedule_work(struct sony_sc *sc)
 {
         if (!sc->defer_initialization)
@@ -1430,6 +1433,31 @@ static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
                                 return -EILSEQ;
                         }
                 }
+
+                /*
+                 * In the case of a DS4 USB dongle, bit[2] of byte 31 indicates
+                 * if a DS4 is actually connected (indicated by '0').
+                 * For non-dongle, this bit is always 0 (connected).
+                 */
+                if (sc->hdev->vendor == USB_VENDOR_ID_SONY &&
+                    sc->hdev->product == USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) {
+                        bool connected = (rd[31] & 0x04) ? false : true;
+
+                        if (!sc->ds4_dongle_connected && connected) {
+                                hid_info(sc->hdev, "DualShock 4 USB dongle: controller connected\n");
+                                sony_set_leds(sc);
+                                sc->ds4_dongle_connected = true;
+                        } else if (sc->ds4_dongle_connected && !connected) {
+                                hid_info(sc->hdev, "DualShock 4 USB dongle: controller disconnected\n");
+                                sc->ds4_dongle_connected = false;
+                                /* Return 0, so hidraw can get the report. */
+                                return 0;
+                        } else if (!sc->ds4_dongle_connected) {
+                                /* Return 0, so hidraw can get the report. */
+                                return 0;
+                        }
+                }
+
                 dualshock4_parse_report(sc, rd, size);
         }
 
@@ -2390,6 +2418,12 @@ static int sony_check_add(struct sony_sc *sc)
                 }
 
                 memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
+
+                snprintf(sc->hdev->uniq, sizeof(sc->hdev->uniq),
+                        "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+                        sc->mac_address[5], sc->mac_address[4],
+                        sc->mac_address[3], sc->mac_address[2],
+                        sc->mac_address[1], sc->mac_address[0]);
         } else if ((sc->quirks & SIXAXIS_CONTROLLER_USB) ||
                         (sc->quirks & NAVIGATION_CONTROLLER_USB)) {
                 buf = kmalloc(SIXAXIS_REPORT_0xF2_SIZE, GFP_KERNEL);
@@ -2548,7 +2582,7 @@ static int sony_input_configured(struct hid_device *hdev,
                         hid_err(sc->hdev,
                         "Unable to initialize multi-touch slots: %d\n",
                         ret);
-                        return ret;
+                        goto err_stop;
                 }
 
                 sony_init_output_report(sc, dualshock4_send_output_report);
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index b3e01c82af05..e9d6cc7cdfc5 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -83,11 +83,13 @@ static const struct hid_blacklist {
         { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
         { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT },
+        { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE, HID_QUIRK_MULTI_INPUT },
         { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
         { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
         { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
         { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
+        { USB_VENDOR_ID_FUTABA, USB_DEVICE_ID_LED_DISPLAY, HID_QUIRK_NO_INIT_REPORTS },
         { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0A4A, HID_QUIRK_ALWAYS_POLL },
         { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_LOGITECH_OEM_USB_OPTICAL_MOUSE_0B4A, HID_QUIRK_ALWAYS_POLL },
         { USB_VENDOR_ID_HP, USB_PRODUCT_ID_HP_PIXART_OEM_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },