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authorNikolai Kondrashov <spbnick@gmail.com>2019-02-10 13:13:58 +0300
committerBenjamin Tissoires <benjamin.tissoires@redhat.com>2019-02-21 14:00:53 +0300
commit9c17f7353928ddb0ab5ee4cb8b29d7ddf8f8eab7 (patch)
treea3d6041e61368f821d25e701b60686eb4d26ab32 /drivers/hid
parent0c15efe9ef7f2042234485ad3a7b09567b9821f6 (diff)
downloadlinux-9c17f7353928ddb0ab5ee4cb8b29d7ddf8f8eab7.tar.xz
HID: uclogic: Add support for Ugee M540
Add support for Ugee M540 to hid-uclogic. Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/hid-uclogic-params.c26
-rw-r--r--drivers/hid/hid-uclogic-rdesc.h3
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