static int hid_submit_out(struct hid_device *hid) { struct hid_report *report; char *raw_report; struct usbhid_device *usbhid = hid->driver_data; int r; report = usbhid->out[usbhid->outtail].report; raw_report = usbhid->out[usbhid->outtail].raw_report; r = usb_autopm_get_interface_async(usbhid->intf); if (r < 0) return -1; /* * if the device hasn't been woken, we leave the output * to resume() */ if (!test_bit(HID_REPORTED_IDLE, &usbhid->iofl)) { usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); usbhid->urbout->dev = hid_to_usb_dev(hid); memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); kfree(raw_report); dbg_hid("submitting out urb\n"); if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { hid_err(hid, "usb_submit_urb(out) failed\n"); usb_autopm_put_interface_async(usbhid->intf); return -1; } usbhid->last_out = jiffies; }
static int kovaplus_receive_control_status(struct usb_device *usb_dev) { int retval; struct kovaplus_control control; do { retval = roccat_common_receive(usb_dev, KOVAPLUS_COMMAND_CONTROL, &control, sizeof(struct kovaplus_control)); /* check if we get a completely wrong answer */ if (retval) return retval; if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OK) return 0; /* indicates that hardware needs some more time to complete action */ if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_WAIT) { msleep(500); /* windows driver uses 1000 */ continue; } /* seems to be critical - replug necessary */ if (control.value == KOVAPLUS_CONTROL_REQUEST_STATUS_OVERLOAD) return -EINVAL; hid_err(usb_dev, "roccat_common_receive_control_status: " "unknown response value 0x%x\n", control.value); return -EINVAL; } while (1); }
static int quanta_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; struct quanta_data *td; td = kmalloc(sizeof(struct quanta_data), GFP_KERNEL); if (!td) { hid_err(hdev, "cannot allocate Quanta Touch data\n"); return -ENOMEM; } td->valid = false; td->activity = false; td->activity_now = false; td->first = false; hid_set_drvdata(hdev, td); ret = hid_parse(hdev); if (!ret) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) kfree(td); return ret; }
static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; unsigned long quirks = id->driver_data; struct sony_sc *sc; sc = kzalloc(sizeof(*sc), GFP_KERNEL); if (sc == NULL) { hid_err(hdev, "can't alloc sony descriptor\n"); return -ENOMEM; } sc->quirks = quirks; hid_set_drvdata(hdev, sc); ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | HID_CONNECT_HIDDEV_FORCE); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; } if (sc->quirks & SIXAXIS_CONTROLLER_USB) { hdev->hid_output_raw_report = sixaxis_usb_output_raw_report; ret = sixaxis_set_operational_usb(hdev); } else if (sc->quirks & SIXAXIS_CONTROLLER_BT) ret = sixaxis_set_operational_bt(hdev); else ret = 0; if (ret < 0) goto err_stop; return 0; err_stop: hid_hw_stop(hdev); err_free: kfree(sc); return ret; }
static void hid_irq_in(struct urb *urb) { struct hid_device *hid = urb->context; struct usbhid_device *usbhid = hid->driver_data; int status; switch (urb->status) { case 0: /* success */ usbhid_mark_busy(usbhid); usbhid->retry_delay = 0; hid_input_report(urb->context, HID_INPUT_REPORT, urb->transfer_buffer, urb->actual_length, 1); /* * autosuspend refused while keys are pressed * because most keyboards don't wake up when * a key is released */ if (hid_check_keys_pressed(hid)) set_bit(HID_KEYS_PRESSED, &usbhid->iofl); else clear_bit(HID_KEYS_PRESSED, &usbhid->iofl); break; case -EPIPE: /* stall */ usbhid_mark_busy(usbhid); clear_bit(HID_IN_RUNNING, &usbhid->iofl); set_bit(HID_CLEAR_HALT, &usbhid->iofl); schedule_work(&usbhid->reset_work); return; case -ECONNRESET: /* unlink */ case -ENOENT: case -ESHUTDOWN: /* unplug */ clear_bit(HID_IN_RUNNING, &usbhid->iofl); return; case -EILSEQ: /* protocol error or unplug */ case -EPROTO: /* protocol error or unplug */ case -ETIME: /* protocol error or unplug */ case -ETIMEDOUT: /* Should never happen, but... */ usbhid_mark_busy(usbhid); clear_bit(HID_IN_RUNNING, &usbhid->iofl); hid_io_error(hid); return; default: /* error */ hid_warn(urb->dev, "input irq status %d received\n", urb->status); } status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { clear_bit(HID_IN_RUNNING, &usbhid->iofl); if (status != -EPERM) { hid_err(hid, "can't resubmit intr, %s-%s/input%d, status %d\n", hid_to_usb_dev(hid)->bus->bus_name, hid_to_usb_dev(hid)->devpath, usbhid->ifnum, status); hid_io_error(hid); } } }
static int px_probe(struct hid_device *hid, const struct hid_device_id *id) { int ret; ret = hid_parse(hid); if (ret) { hid_err(hid, "parse failed\n"); goto fail; } ret = hid_hw_start(hid, HID_CONNECT_DEFAULT); if (ret) hid_err(hid, "hw start failed\n"); fail: return ret; }
static int axff_init(struct hid_device *hid) { struct axff_device *axff; struct hid_report *report; struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list); struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; int error; if (list_empty(report_list)) { hid_err(hid, "no output reports found\n"); return -ENODEV; } report = list_first_entry(report_list, struct hid_report, list); if (report->maxfield < 4) { hid_err(hid, "no fields in the report: %d\n", report->maxfield); return -ENODEV; } axff = kzalloc(sizeof(struct axff_device), GFP_KERNEL); if (!axff) return -ENOMEM; set_bit(FF_RUMBLE, dev->ffbit); error = input_ff_create_memless(dev, axff, axff_play); if (error) goto err_free_mem; axff->report = report; axff->report->field[0]->value[0] = 0x00; axff->report->field[1]->value[0] = 0x00; axff->report->field[2]->value[0] = 0x00; axff->report->field[3]->value[0] = 0x00; usbhid_submit_report(hid, axff->report, USB_DIR_OUT); hid_info(hid, "Force Feedback for ACRUX game controllers by Sergei Kolzun<*****@*****.**>\n"); return 0; err_free_mem: kfree(axff); return error; }
static int zpff_init(struct hid_device *hid) { struct zpff_device *zpff; struct hid_report *report; struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct input_dev *dev = hidinput->input; int error; if (list_empty(report_list)) { hid_err(hid, "no output report found\n"); return -ENODEV; } report = list_entry(report_list->next, struct hid_report, list); if (report->maxfield < 4) { hid_err(hid, "not enough fields in report\n"); return -ENODEV; } zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL); if (!zpff) return -ENOMEM; set_bit(FF_RUMBLE, dev->ffbit); error = input_ff_create_memless(dev, zpff, zpff_play); if (error) { kfree(zpff); return error; } zpff->report = report; zpff->report->field[0]->value[0] = 0x00; zpff->report->field[1]->value[0] = 0x02; zpff->report->field[2]->value[0] = 0x00; zpff->report->field[3]->value[0] = 0x00; usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); hid_info(hid, "force feedback for Zeroplus based devices by Anssi Hannula <*****@*****.**>\n"); return 0; }
/* initialize keypad input device */ static int picolcd_init_keys(struct picolcd_data *data, struct hid_report *report) { struct hid_device *hdev = data->hdev; struct input_dev *idev; int error, i; if (!report) return -ENODEV; if (report->maxfield != 1 || report->field[0]->report_count != 2 || report->field[0]->report_size != 8) { hid_err(hdev, "unsupported KEY_STATE report\n"); return -EINVAL; } idev = input_allocate_device(); if (idev == NULL) { hid_err(hdev, "failed to allocate input device\n"); return -ENOMEM; } input_set_drvdata(idev, hdev); memcpy(data->keycode, def_keymap, sizeof(def_keymap)); idev->name = hdev->name; idev->phys = hdev->phys; idev->uniq = hdev->uniq; idev->id.bustype = hdev->bus; idev->id.vendor = hdev->vendor; idev->id.product = hdev->product; idev->id.version = hdev->version; idev->dev.parent = &hdev->dev; idev->keycode = &data->keycode; idev->keycodemax = PICOLCD_KEYS; idev->keycodesize = sizeof(data->keycode[0]); input_set_capability(idev, EV_MSC, MSC_SCAN); set_bit(EV_REP, idev->evbit); for (i = 0; i < PICOLCD_KEYS; i++) input_set_capability(idev, EV_KEY, data->keycode[i]); error = input_register_device(idev); if (error) { hid_err(hdev, "error registering the input device\n"); input_free_device(idev); return error; } data->input_keys = idev; return 0; }
static int udraw_probe(struct hid_device *hdev, const struct hid_device_id *id) { struct udraw *udraw; int ret; udraw = devm_kzalloc(&hdev->dev, sizeof(struct udraw), GFP_KERNEL); if (!udraw) return -ENOMEM; udraw->hdev = hdev; udraw->last_two_finger_x = -1; udraw->last_two_finger_y = -1; hid_set_drvdata(hdev, udraw); ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); return ret; } if (!udraw_setup_joypad(udraw, hdev) || !udraw_setup_touch(udraw, hdev) || !udraw_setup_pen(udraw, hdev) || !udraw_setup_accel(udraw, hdev)) { hid_err(hdev, "could not allocate interfaces\n"); return -ENOMEM; } ret = input_register_device(udraw->joy_input_dev) || input_register_device(udraw->touch_input_dev) || input_register_device(udraw->pen_input_dev) || input_register_device(udraw->accel_input_dev); if (ret) { hid_err(hdev, "failed to register interfaces\n"); return ret; } ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW | HID_CONNECT_DRIVER); if (ret) { hid_err(hdev, "hw start failed\n"); return ret; } return 0; }
static void lenovo_features_set_cptkbd(struct hid_device *hdev) { int ret; struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev); ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock); if (ret) hid_err(hdev, "Fn-lock setting failed: %d\n", ret); }
static int u2fzero_recv(struct u2fzero_device *dev, struct u2f_hid_report *req, struct u2f_hid_msg *resp) { int ret; struct hid_device *hdev = dev->hdev; struct u2fzero_transfer_context ctx; mutex_lock(&dev->lock); memcpy(dev->buf_out, req, sizeof(struct u2f_hid_report)); dev->urb->context = &ctx; init_completion(&ctx.done); ret = usb_submit_urb(dev->urb, GFP_NOIO); if (unlikely(ret)) { hid_err(hdev, "usb_submit_urb failed: %d", ret); goto err; } ret = hid_hw_output_report(dev->hdev, dev->buf_out, sizeof(struct u2f_hid_msg)); if (ret < 0) { hid_err(hdev, "hid_hw_output_report failed: %d", ret); goto err; } ret = (wait_for_completion_timeout( &ctx.done, msecs_to_jiffies(USB_CTRL_SET_TIMEOUT))); if (ret < 0) { usb_kill_urb(dev->urb); hid_err(hdev, "urb submission timed out"); } else { ret = dev->urb->actual_length; memcpy(resp, dev->buf_in, ret); } err: mutex_unlock(&dev->lock); return ret; }
static int uclogic_probe(struct hid_device *hdev, const struct hid_device_id *id) { int rc; hdev->quirks |= id->driver_data; rc = hid_parse(hdev); if (rc) { hid_err(hdev, "parse failed\n"); return rc; } rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (rc) { hid_err(hdev, "hw start failed\n"); return rc; } return 0; }
static int huion_probe(struct hid_device *hdev, const struct hid_device_id *id) { int rc; struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct huion_drvdata *drvdata; /* Allocate and assign driver data */ drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); if (drvdata == NULL) { hid_err(hdev, "failed to allocate driver data\n"); return -ENOMEM; } hid_set_drvdata(hdev, drvdata); switch (id->product) { case USB_DEVICE_ID_HUION_TABLET: /* If this is the pen interface */ if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { rc = huion_tablet_enable(hdev); if (rc) { hid_err(hdev, "tablet enabling failed\n"); return rc; } } break; } rc = hid_parse(hdev); if (rc) { hid_err(hdev, "parse failed\n"); return rc; } rc = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (rc) { hid_err(hdev, "hw start failed\n"); return rc; } return 0; }
static int ax_probe(struct hid_device *hdev, const struct hid_device_id *id) { int error; dev_dbg(&hdev->dev, "ACRUX HID hardware probe...\n"); error = hid_parse(hdev); if (error) { hid_err(hdev, "parse failed\n"); return error; } error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (error) { hid_err(hdev, "hw start failed\n"); return error; } error = axff_init(hdev); if (error) { /* * Do not fail device initialization completely as device * may still be partially operable, just warn. */ hid_warn(hdev, "Failed to enable force feedback support, error: %d\n", error); } /* * We need to start polling device right away, otherwise * it will go into a coma. */ error = hid_hw_open(hdev); if (error) { dev_err(&hdev->dev, "hw open failed\n"); return error; } return 0; }
static int kovaplus_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *usb_dev = interface_to_usbdev(intf); struct kovaplus_device *kovaplus; int retval; if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) { kovaplus = kzalloc(sizeof(*kovaplus), GFP_KERNEL); if (!kovaplus) { hid_err(hdev, "can't alloc device descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, kovaplus); retval = kovaplus_init_kovaplus_device_struct(usb_dev, kovaplus); if (retval) { hid_err(hdev, "couldn't init struct kovaplus_device\n"); goto exit_free; } retval = roccat_connect(kovaplus_class, hdev, sizeof(struct kovaplus_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { kovaplus->chrdev_minor = retval; kovaplus->roccat_claimed = 1; } } else { hid_set_drvdata(hdev, NULL); } return 0; exit_free: kfree(kovaplus); return retval; }
static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) { unsigned long quirks = id->driver_data; int ret; hid_set_drvdata(hdev, (void *)quirks); ret = hid_parse(hdev); if (ret) { <<<<<<< HEAD hid_err(hdev, "parse failed\n"); =======
static int isku_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *usb_dev = interface_to_usbdev(intf); struct isku_device *isku; int retval; if (intf->cur_altsetting->desc.bInterfaceProtocol != ISKU_USB_INTERFACE_PROTOCOL) { hid_set_drvdata(hdev, NULL); return 0; } isku = kzalloc(sizeof(*isku), GFP_KERNEL); if (!isku) { hid_err(hdev, "can't alloc device descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, isku); retval = isku_init_isku_device_struct(usb_dev, isku); if (retval) { hid_err(hdev, "couldn't init struct isku_device\n"); goto exit_free; } retval = roccat_connect(isku_class, hdev, sizeof(struct isku_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { isku->chrdev_minor = retval; isku->roccat_claimed = 1; } return 0; exit_free: kfree(isku); return retval; }
static int arvo_init_specials(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *usb_dev = interface_to_usbdev(intf); struct arvo_device *arvo; int retval; if (intf->cur_altsetting->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD) { hid_set_drvdata(hdev, NULL); return 0; } arvo = kzalloc(sizeof(*arvo), GFP_KERNEL); if (!arvo) { hid_err(hdev, "can't alloc device descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, arvo); retval = arvo_init_arvo_device_struct(usb_dev, arvo); if (retval) { hid_err(hdev, "couldn't init struct arvo_device\n"); goto exit_free; } retval = roccat_connect(arvo_class, hdev, sizeof(struct arvo_roccat_report)); if (retval < 0) { hid_err(hdev, "couldn't init char dev\n"); } else { arvo->chrdev_minor = retval; arvo->roccat_claimed = 1; } return 0; exit_free: kfree(arvo); return retval; }
static int apple_probe(struct hid_device *hdev, const struct hid_device_id *id) { unsigned long quirks = id->driver_data; struct apple_sc *asc; unsigned int connect_mask = HID_CONNECT_DEFAULT; int ret; asc = kzalloc(sizeof(*asc), GFP_KERNEL); if (asc == NULL) { hid_err(hdev, "can't alloc apple descriptor\n"); return -ENOMEM; } asc->quirks = quirks; hid_set_drvdata(hdev, asc); ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err_free; } if (quirks & APPLE_HIDDEV) connect_mask |= HID_CONNECT_HIDDEV_FORCE; if (quirks & APPLE_IGNORE_HIDINPUT) connect_mask &= ~HID_CONNECT_HIDINPUT; ret = hid_hw_start(hdev, connect_mask); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; } return 0; err_free: kfree(asc); return ret; }
static int sjoy_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { hid_err(hdev, "hw start failed\n"); goto err; } sjoyff_init(hdev); return 0; err: return ret; }
static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; hdev->quirks |= HID_QUIRK_NOGET; ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; } return 0; err_free: return ret; }
static int lenovo_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; ret = hid_parse(hdev); if (ret) { hid_err(hdev, "hid_parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hid_hw_start failed\n"); goto err; } switch (hdev->product) { case USB_DEVICE_ID_LENOVO_TPKBD: ret = lenovo_probe_tpkbd(hdev); break; case USB_DEVICE_ID_LENOVO_CUSBKBD: case USB_DEVICE_ID_LENOVO_CBTKBD: ret = lenovo_probe_cptkbd(hdev); break; default: ret = 0; break; } if (ret) goto err_hid; return 0; err_hid: hid_hw_stop(hdev); err: return ret; }
static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id) { unsigned long quirks = id->driver_data; int ret; hid_set_drvdata(hdev, (void *)quirks); ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err_free; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret) { hid_err(hdev, "hw start failed\n"); goto err_free; } return 0; err_free: return ret; }
static int ga_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; dev_dbg(&hdev->dev, "Greenasia HID hardware probe..."); ret = hid_parse(hdev); if (ret) { hid_err(hdev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { hid_err(hdev, "hw start failed\n"); goto err; } gaff_init(hdev); return 0; err: return ret; }
static int lenovo_probe_cptkbd(struct hid_device *hdev) { int ret; struct lenovo_drvdata_cptkbd *cptkbd_data; /* All the custom action happens on the USBMOUSE device for USB */ if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD && hdev->type != HID_TYPE_USBMOUSE) { hid_dbg(hdev, "Ignoring keyboard half of device\n"); return 0; } cptkbd_data = devm_kzalloc(&hdev->dev, sizeof(*cptkbd_data), GFP_KERNEL); if (cptkbd_data == NULL) { hid_err(hdev, "can't alloc keyboard descriptor\n"); return -ENOMEM; } hid_set_drvdata(hdev, cptkbd_data); /* * Tell the keyboard a driver understands it, and turn F7, F9, F11 into * regular keys */ ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03); if (ret) hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret); /* Switch middle button to native mode */ ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01); if (ret) hid_warn(hdev, "Failed to switch middle button: %d\n", ret); /* Set keyboard settings to known state */ cptkbd_data->middlebutton_state = 0; cptkbd_data->fn_lock = true; cptkbd_data->sensitivity = 0x05; lenovo_features_set_cptkbd(hdev); ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd); if (ret) hid_warn(hdev, "Could not create sysfs group: %d\n", ret); return 0; }
/* Workqueue routine to reset the device or clear a halt */ static void hid_reset(struct work_struct *work) { struct usbhid_device *usbhid = container_of(work, struct usbhid_device, reset_work); struct hid_device *hid = usbhid->hid; int rc = 0; if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) { dev_dbg(&usbhid->intf->dev, "clear halt\n"); rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe); clear_bit(HID_CLEAR_HALT, &usbhid->iofl); hid_start_in(hid); } else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) { dev_dbg(&usbhid->intf->dev, "resetting device\n"); rc = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf); if (rc == 0) { rc = usb_reset_device(hid_to_usb_dev(hid)); usb_unlock_device(hid_to_usb_dev(hid)); } clear_bit(HID_RESET_PENDING, &usbhid->iofl); } switch (rc) { case 0: if (!test_bit(HID_IN_RUNNING, &usbhid->iofl)) hid_io_error(hid); break; default: hid_err(hid, "can't reset device, %s-%s/input%d, status %d\n", hid_to_usb_dev(hid)->bus->bus_name, hid_to_usb_dev(hid)->devpath, usbhid->ifnum, rc); /* FALLTHROUGH */ case -EHOSTUNREACH: case -ENODEV: case -EINTR: break; } }
static int mosart_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; struct mosart_data *td; td = kmalloc(sizeof(struct mosart_data), GFP_KERNEL); if (!td) { hid_err(hdev, "cannot allocate MosArt data\n"); return -ENOMEM; } td->valid = false; td->activity = false; td->activity_now = false; td->first = false; hid_set_drvdata(hdev, td); /* currently, it's better to have one evdev device only */ #if 0 hdev->quirks |= HID_QUIRK_MULTI_INPUT; #endif ret = hid_parse(hdev); if (ret == 0) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); if (ret == 0) { struct hid_report_enum *re = hdev->report_enum + HID_FEATURE_REPORT; struct hid_report *r = re->report_id_hash[7]; r->field[0]->value[0] = 0x02; usbhid_submit_report(hdev, r, USB_DIR_OUT); } else kfree(td); return ret; }
static int pyra_receive_control_status(struct usb_device *usb_dev) { int retval; struct pyra_control control; do { msleep(10); retval = roccat_common_receive(usb_dev, PYRA_COMMAND_CONTROL, &control, sizeof(struct pyra_control)); /* requested too early, try again */ } while (retval == -EPROTO); if (!retval && control.command == PYRA_COMMAND_CONTROL && control.request == PYRA_CONTROL_REQUEST_STATUS && control.value == 1) return 0; else { hid_err(usb_dev, "receive control status: unknown response 0x%x 0x%x\n", control.request, control.value); return retval ? retval : -EINVAL; } }
/* * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller * to "operational". Without this, the ps3 controller will not report any * events. */ static int sixaxis_set_operational_usb(struct hid_device *hdev) { struct usb_interface *intf = to_usb_interface(hdev->dev.parent); struct usb_device *dev = interface_to_usbdev(intf); __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; int ret; char *buf = kmalloc(18, GFP_KERNEL); if (!buf) return -ENOMEM; ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), HID_REQ_GET_REPORT, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, (3 << 8) | 0xf2, ifnum, buf, 17, USB_CTRL_GET_TIMEOUT); if (ret < 0) hid_err(hdev, "can't set operational mode\n"); kfree(buf); return ret; }