diff options
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-uclogic-params.c | 26 | ||||
| -rw-r--r-- | drivers/hid/hid-uclogic-rdesc.h | 3 |
2 files changed, 26 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): diff --git a/drivers/hid/hid-uclogic-rdesc.h b/drivers/hid/hid-uclogic-rdesc.h index f205254a733c..cc5f3dd3804a 100644 --- a/drivers/hid/hid-uclogic-rdesc.h +++ b/drivers/hid/hid-uclogic-rdesc.h @@ -34,6 +34,9 @@ extern const size_t uclogic_rdesc_wp5540u_fixed_size; extern __u8 uclogic_rdesc_wp8060u_fixed_arr[]; extern const size_t uclogic_rdesc_wp8060u_fixed_size; +/* Size of the original descriptor of the new WP5540U tablet */ +#define UCLOGIC_RDESC_WP5540U_V2_ORIG_SIZE 232 + /* Size of the original descriptor of WP1062 tablet */ #define UCLOGIC_RDESC_WP1062_ORIG_SIZE 254 |