static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
unsigned long quirks = id->driver_data;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
int ret;
hid_set_drvdata(hdev, (void *)quirks);
if (quirks & LG_NOGET)
hdev->quirks |= HID_QUIRK_NOGET;
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "parse failed\n");
goto err_free;
}
if (quirks & (LG_FF | LG_FF2))
connect_mask &= ~HID_CONNECT_FF;
ret = hid_hw_start(hdev, connect_mask);
if (ret) {
dev_err(&hdev->dev, "hw start failed\n");
goto err_free;
}
if (quirks & LG_FF)
lgff_init(hdev);
if (quirks & LG_FF2)
lg2ff_init(hdev);
return 0;
err_free:
return ret;
}
static int saitek_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
unsigned long quirks = id->driver_data;
struct saitek_sc *ssc;
int ret;
ssc = devm_kzalloc(&hdev->dev, sizeof(*ssc), GFP_KERNEL);
if (ssc == NULL) {
hid_err(hdev, "can't alloc saitek descriptor\n");
return -ENOMEM;
}
ssc->quirks = quirks;
ssc->mode = -1;
hid_set_drvdata(hdev, ssc);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
return ret;
}
return 0;
}
static int tpkbd_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;
}
if (hid_get_drvdata(hdev)) {
hid_set_drvdata(hdev, NULL);
ret = tpkbd_probe_tp(hdev);
if (ret)
goto err_hid;
}
return 0;
err_hid:
hid_hw_stop(hdev);
err:
return ret;
}
static int dr_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
dev_dbg(&hdev->dev, "DragonRise Inc. 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;
}
switch (hdev->product) {
case 0x0006:
ret = drff_init(hdev);
if (ret) {
dev_err(&hdev->dev, "force feedback init failed\n");
hid_hw_stop(hdev);
goto err;
}
break;
}
return 0;
err:
return ret;
}
static int waltop_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int ret;
struct waltop_state *s;
s = kzalloc(sizeof(*s), GFP_KERNEL);
if (s == NULL) {
hid_err(hdev, "can't allocate device state\n");
ret = -ENOMEM;
goto err;
}
s->pressure0 = 0;
s->pressure1 = 0;
hid_set_drvdata(hdev, s);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err;
}
return 0;
err:
kfree(s);
return ret;
}
static int ms_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);
if (quirks & MS_NOGET)
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 | ((quirks & MS_HIDINPUT) ?
HID_CONNECT_HIDINPUT_FORCE : 0));
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
}
return 0;
err_free:
return ret;
}
static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
struct a4tech_sc *a4;
int ret;
a4 = kzalloc(sizeof(*a4), GFP_KERNEL);
if (a4 == NULL) {
hid_err(hdev, "can't alloc device descriptor\n");
ret = -ENOMEM;
goto err_free;
}
a4->quirks = id->driver_data;
hid_set_drvdata(hdev, a4);
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:
kfree(a4);
return ret;
}
static int gfrm_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
hid_set_drvdata(hdev, (void *) id->driver_data);
ret = hid_parse(hdev);
if (ret)
goto done;
if (id->driver_data == GFRM100) {
/*
* GFRM100 HID Report Descriptor does not describe the Search
* key reports. Thus, we need to add it manually here, so that
* those reports reach gfrm_raw_event() from hid_input_report().
*/
if (!hid_register_report(hdev, HID_INPUT_REPORT,
GFRM100_SEARCH_KEY_REPORT_ID, 0)) {
ret = -ENOMEM;
goto done;
}
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
done:
return ret;
}
static int egalax_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct egalax_data *td;
struct hid_report *report;
td = kzalloc(sizeof(struct egalax_data), GFP_KERNEL);
if (!td) {
hid_err(hdev, "cannot allocate eGalax data\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, td);
ret = hid_parse(hdev);
if (ret)
goto end;
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret)
goto end;
report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[5];
if (report) {
report->field[0]->value[0] = 2;
usbhid_submit_report(hdev, report, USB_DIR_OUT);
}
end:
if (ret)
kfree(td);
return ret;
}
static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct zc_device *zc;
zc = kzalloc(sizeof(*zc), GFP_KERNEL);
if (zc == NULL) {
dev_err(&hdev->dev, "zydacron: can't alloc descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, zc);
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "zydacron: parse failed\n");
goto err_free;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
dev_err(&hdev->dev, "zydacron: hw start failed\n");
goto err_free;
}
return 0;
err_free:
kfree(zc);
return ret;
}
static int
avr_probe(struct hid_device *hd,
const struct hid_device_id *id)
{
int ret;
printk(KERN_ALERT "avr probe");
ret = hid_parse(hd);
if (ret)
{
printk("Failed to parse hid");
return ret;
}
//ret = hid_hw_start(hd, HID_CONNECT_HIDRAW);
//this will make hid device to act like a hid mouse
// tested with avr random mouse
//HID_CONNECT_DEFAULT is better option than
// HID_CONNECT_HIDINPUT only
ret = hid_hw_start(hd, HID_CONNECT_DEFAULT);
if (ret)
{
printk("Failed to parse hid");
return ret;
}
return 0;
}
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) {
dev_err(&hdev->dev, "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 |
HID_CONNECT_HIDINPUT_FORCE);
if (ret)
kfree(td);
return ret;
}
static int samsung_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int ret;
unsigned int cmask = HID_CONNECT_DEFAULT;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err_free;
}
if (USB_DEVICE_ID_SAMSUNG_IR_REMOTE == hdev->product) {
if (hdev->rsize == 184) {
/* disable hidinput, force hiddev */
cmask = (cmask & ~HID_CONNECT_HIDINPUT) |
HID_CONNECT_HIDDEV_FORCE;
}
}
ret = hid_hw_start(hdev, cmask);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
}
return 0;
err_free:
return ret;
}
static int ems_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;
}
ret = emsff_init(hdev);
if (ret) {
dev_err(&hdev->dev, "force feedback init failed\n");
hid_hw_stop(hdev);
goto err;
}
return 0;
err:
return ret;
}
static int zc_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct zc_device *zc;
zc = devm_kzalloc(&hdev->dev, sizeof(*zc), GFP_KERNEL);
if (zc == NULL) {
hid_err(hdev, "can't alloc descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, zc);
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
return ret;
}
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "hw start failed\n");
return ret;
}
return 0;
}
static int u2fzero_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
struct u2fzero_device *dev;
unsigned int minor;
int ret;
if (!hid_is_using_ll_driver(hdev, &usb_hid_driver))
return -EINVAL;
dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
if (dev == NULL)
return -ENOMEM;
dev->buf_out = devm_kmalloc(&hdev->dev,
sizeof(struct u2f_hid_report), GFP_KERNEL);
if (dev->buf_out == NULL)
return -ENOMEM;
dev->buf_in = devm_kmalloc(&hdev->dev,
sizeof(struct u2f_hid_msg), GFP_KERNEL);
if (dev->buf_in == NULL)
return -ENOMEM;
ret = hid_parse(hdev);
if (ret)
return ret;
dev->hdev = hdev;
hid_set_drvdata(hdev, dev);
mutex_init(&dev->lock);
ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
if (ret)
return ret;
u2fzero_fill_in_urb(dev);
dev->present = true;
minor = ((struct hidraw *) hdev->hidraw)->minor;
ret = u2fzero_init_led(dev, minor);
if (ret) {
hid_hw_stop(hdev);
return ret;
}
hid_info(hdev, "U2F Zero LED initialised\n");
ret = u2fzero_init_hwrng(dev, minor);
if (ret) {
hid_hw_stop(hdev);
return ret;
}
hid_info(hdev, "U2F Zero RNG initialised\n");
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...");
error = hid_parse(hdev);
if (error) {
dev_err(&hdev->dev, "parse failed\n");
return error;
}
error = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
if (error) {
dev_err(&hdev->dev, "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.
*/
dev_warn(&hdev->dev,
"Failed to enable force feedback support, error: %d\n",
error);
}
return 0;
}
static int kovaplus_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int retval;
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
goto exit;
}
retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (retval) {
hid_err(hdev, "hw start failed\n");
goto exit;
}
retval = kovaplus_init_specials(hdev);
if (retval) {
hid_err(hdev, "couldn't install mouse\n");
goto exit_stop;
}
return 0;
exit_stop:
hid_hw_stop(hdev);
exit:
return retval;
}
static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
unsigned long quirks = id->driver_data;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
int ret;
hid_set_drvdata(hdev, (void *)quirks);
if (quirks & LG_NOGET)
hdev->quirks |= HID_QUIRK_NOGET;
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
goto err_free;
}
if (quirks & (LG_FF | LG_FF2 | LG_FF3 | LG_FF4))
connect_mask &= ~HID_CONNECT_FF;
ret = hid_hw_start(hdev, connect_mask);
if (ret) {
hid_err(hdev, "hw start failed\n");
goto err_free;
}
/* Setup wireless link with Logitech Wii wheel */
if(hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) {
unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
if (ret >= 0) {
/* insert a little delay of 10 jiffies ~ 40ms */
wait_queue_head_t wait;
init_waitqueue_head (&wait);
wait_event_interruptible_timeout(wait, 0, 10);
/* Select random Address */
buf[1] = 0xB2;
get_random_bytes(&buf[2], 2);
ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
}
}
if (quirks & LG_FF)
lgff_init(hdev);
if (quirks & LG_FF2)
lg2ff_init(hdev);
if (quirks & LG_FF3)
lg3ff_init(hdev);
if (quirks & LG_FF4)
lg4ff_init(hdev);
return 0;
err_free:
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;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
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;
}
if (sc->quirks & VAIO_RDESC_CONSTANT)
connect_mask |= HID_CONNECT_HIDDEV_FORCE;
else if (sc->quirks & SIXAXIS_CONTROLLER_USB)
connect_mask |= HID_CONNECT_HIDDEV_FORCE;
else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
connect_mask |= HID_CONNECT_HIDDEV_FORCE;
ret = hid_hw_start(hdev, connect_mask);
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 if (sc->quirks & BUZZ_CONTROLLER)
ret = buzz_init(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 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 mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret, i;
struct mt_device *td;
struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
for (i = 0; mt_classes[i].name ; i++) {
if (id->driver_data == mt_classes[i].name) {
mtclass = &(mt_classes[i]);
break;
}
}
#ifdef MT_DBG
if (trace)
printk(KERN_ERR "hid-multitouch: class=%d\n", mtclass->name);
#endif /* MT_DBG */
/* This allows the driver to correctly support devices
* that emit events over several HID messages.
*/
hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
if (!td) {
dev_err(&hdev->dev, "cannot allocate multitouch data\n");
return -ENOMEM;
}
td->mtclass = mtclass;
td->inputmode = -1;
hid_set_drvdata(hdev, td);
ret = hid_parse(hdev);
if (ret != 0)
goto fail;
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret)
goto fail;
td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
GFP_KERNEL);
mt_set_input_mode(hdev);
return 0;
fail:
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) {
#ifndef CONFIG_HID_SONY_PS3_CTRL_BT
hdev->hid_output_raw_report = sixaxis_usb_output_raw_report;
#endif
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 int logi_djdevice_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
int ret;
struct dj_device *dj_dev = hdev->driver_data;
if (!is_dj_device(dj_dev))
return -ENODEV;
ret = hid_parse(hdev);
if (!ret)
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
return ret;
}
//------------------------------------------------------
static
int penmount_probe(struct hid_device *pHidDevice,
const struct hid_device_id *pHidDevID) {
int ret = 0;
ret = hid_parse(pHidDevice);
if (ret)
return ret;
ret = hid_hw_start(pHidDevice, HID_CONNECT_DEFAULT);
if (ret)
return ret;
return ret;
}
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;
/* return something else or move to hid layer? device will reside
allocated */
if (id->bus == BUS_USB && (quirks & APPLE_IGNORE_MOUSE) &&
to_usb_interface(hdev->dev.parent)->cur_altsetting->
desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE)
return -ENODEV;
asc = kzalloc(sizeof(*asc), GFP_KERNEL);
if (asc == NULL) {
dev_err(&hdev->dev, "can't alloc apple descriptor\n");
return -ENOMEM;
}
asc->quirks = quirks;
hid_set_drvdata(hdev, asc);
ret = hid_parse(hdev);
if (ret) {
dev_err(&hdev->dev, "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) {
dev_err(&hdev->dev, "hw start failed\n");
goto err_free;
}
return 0;
err_free:
kfree(asc);
return ret;
}
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 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 accel_probe(struct hid_device *dev, const struct hid_device_id *id)
{
//struct hid_accel *data = NULL;
int retval = -ENOMEM;
printk(KERN_INFO "Probing device\n");
dev_info(&dev->dev, "Found USB Accelerometer\n");
// Set up HID Report Parser
retval = hid_parse(dev);
if (retval)
goto error;
//data = kzalloc(sizeof(struct hid_accel), GFP_KERNEL);
//if (data == NULL) {
// dev_err(&dev->dev, "Out of memory\n");
// goto error_mem;
//}
retval = device_create_file(&dev->dev, &dev_attr_position);
if (retval)
goto error;
retval = device_create_file(&dev->dev, &dev_attr_calibrate);
if (retval)
goto error;
retval = device_create_file(&dev->dev, &dev_attr_recalibrate);
if (retval)
goto error;
read_position(&dev->dev, &rest_x, &rest_y, &rest_z);
dev_info(&dev->dev, "USB Accelerometer device now attached\n");
return 0;
error:
err_hid("There was an error\n");
device_remove_file(&dev->dev, &dev_attr_position);
device_remove_file(&dev->dev, &dev_attr_calibrate);
device_remove_file(&dev->dev, &dev_attr_recalibrate);
// kfree(dev);
error_mem:
return retval;
}
int gcore_hid_open(struct gcore_data *gdata)
{
struct hid_device *hdev = gdata->hdev;
int error;
dbg_hid("Preparing to parse %s hid reports\n", gdata->name);
/* Parse the device reports and start it up */
error = hid_parse(hdev);
if (error) {
dev_err(&hdev->dev, "%s device report parse failed\n",
gdata->name);
error = -EINVAL;
goto err_no_cleanup;
}
error = hid_hw_start(hdev,
HID_CONNECT_DEFAULT | HID_CONNECT_HIDINPUT_FORCE);
if (error) {
dev_err(&hdev->dev, "%s hardware start failed\n", gdata->name);
error = -EINVAL;
goto err_cleanup_hid;
}
dbg_hid("%s claimed: %d\n", gdata->name, hdev->claimed);
error = hdev->ll_driver->open(hdev);
if (error) {
dev_err(&hdev->dev,
"%s failed to open input interrupt pipe for key and joystick events\n",
gdata->name);
error = -EINVAL;
goto err_cleanup_hid;
}
return 0;
err_cleanup_hid:
hid_hw_stop(hdev);
err_no_cleanup:
return error;
}
