diff options
Diffstat (limited to 'drivers/hid/hid-uclogic-params.c')
| -rw-r--r-- | drivers/hid/hid-uclogic-params.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c index f57bf2698374..72a073ae454c 100644 --- a/drivers/hid/hid-uclogic-params.c +++ b/drivers/hid/hid-uclogic-params.c @@ -897,9 +897,29 @@ int uclogic_params_init(struct uclogic_params *params, break; case VID_PID(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U): - rc = WITH_OPT_DESC(WPXXXXU_ORIG, wp5540u_fixed); - if (rc != 0) - goto cleanup; + if (hdev->dev_rsize == UCLOGIC_RDESC_WP5540U_V2_ORIG_SIZE) { + if (bInterfaceNumber == 0) { + /* Try to probe v1 pen parameters */ + rc = uclogic_params_pen_init_v1(&p.pen, + &found, hdev); + if (rc != 0) { + hid_err(hdev, + "pen probing failed: %d\n", + rc); + goto cleanup; + } + if (!found) { + hid_warn(hdev, + "pen parameters not found"); + } + } else { + uclogic_params_init_invalid(&p); + } + } else { + rc = WITH_OPT_DESC(WPXXXXU_ORIG, wp5540u_fixed); + if (rc != 0) + goto cleanup; + } break; case VID_PID(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U): |