diff options
Diffstat (limited to 'drivers/hid/hid-lgff.c')
| -rw-r--r-- | drivers/hid/hid-lgff.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c index e379c167ac9e..51aff08e10ce 100644 --- a/drivers/hid/hid-lgff.c +++ b/drivers/hid/hid-lgff.c @@ -50,6 +50,12 @@ static const signed short ff_joystick[] = { -1 }; +static const signed short ff_wheel[] = { + FF_CONSTANT, + FF_AUTOCENTER, + -1 +}; + static const struct dev_type devices[] = { { 0x046d, 0xc211, ff_rumble }, { 0x046d, 0xc219, ff_rumble }, @@ -57,7 +63,7 @@ static const struct dev_type devices[] = { { 0x046d, 0xc286, ff_joystick }, { 0x046d, 0xc294, ff_joystick }, { 0x046d, 0xc295, ff_joystick }, - { 0x046d, 0xca03, ff_joystick }, + { 0x046d, 0xca03, ff_wheel }, }; static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) @@ -102,6 +108,23 @@ static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *ef return 0; } +static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + magnitude = (magnitude >> 12) & 0xf; + *value++ = 0xfe; + *value++ = 0x0d; + *value++ = magnitude; /* clockwise strength */ + *value++ = magnitude; /* counter-clockwise strength */ + *value++ = 0x80; + *value++ = 0x00; + *value = 0x00; + usbhid_submit_report(hid, report, USB_DIR_OUT); +} + int lgff_init(struct hid_device* hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); @@ -147,6 +170,9 @@ int lgff_init(struct hid_device* hid) if (error) return error; + if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) + dev->ff->set_autocenter = hid_lgff_set_autocenter; + printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); return 0; |