diff options
| -rw-r--r-- | drivers/hid/hid-lg4ff.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 5492809a579f..befe0e336471 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -234,6 +234,20 @@ static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitud struct hid_report *report = list_entry(report_list->next, struct hid_report, list); __s32 *value = report->field[0]->value; __u32 expand_a, expand_b; + struct lg4ff_device_entry *entry; + struct lg_drv_data *drv_data; + + drv_data = hid_get_drvdata(hid); + if (!drv_data) { + hid_err(hid, "Private driver data not found!\n"); + return; + } + + entry = drv_data->device_props; + if (!entry) { + hid_err(hid, "Device properties not found!\n"); + return; + } /* De-activate Auto-Center */ if (magnitude == 0) { @@ -257,6 +271,16 @@ static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitud expand_b = (0x80 * 0xaaaa) + 0xff * (magnitude - 0xaaaa); } + /* Adjust for non-MOMO wheels */ + switch (entry->product_id) { + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL: + case USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2: + break; + default: + expand_a = expand_a >> 1; + break; + } + value[0] = 0xfe; value[1] = 0x0d; value[2] = expand_a / 0xaaaa; |