[PATCH v2 13/23] HID: uclogic: Add support for Ugee EX07S frame controls

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Add proper support for Ugee EX07(S) frame controls to hid-uclogic.

Signed-off-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
---
 drivers/hid/hid-uclogic-params.c | 32 ++++++++++++++++++++++++++++++--
 drivers/hid/hid-uclogic-rdesc.c  | 27 +++++++++++++++++++++++++++
 drivers/hid/hid-uclogic-rdesc.h  |  4 ++++
 3 files changed, 61 insertions(+), 2 deletions(-)

diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index 72a073ae454c..b22815cec06d 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -997,8 +997,6 @@ int uclogic_params_init(struct uclogic_params *params,
 		break;
 	case VID_PID(USB_VENDOR_ID_UGTIZER,
 		     USB_DEVICE_ID_UGTIZER_TABLET_GP0610):
-	case VID_PID(USB_VENDOR_ID_UGEE,
-		     USB_DEVICE_ID_UGEE_TABLET_EX07S):
 		/* If this is the pen interface */
 		if (bInterfaceNumber == 1) {
 			/* Probe v1 pen parameters */
@@ -1015,6 +1013,36 @@ int uclogic_params_init(struct uclogic_params *params,
 			/* TODO: Consider marking the interface invalid */
 			uclogic_params_init_with_pen_unused(&p);
 		}
+		break;
+	case VID_PID(USB_VENDOR_ID_UGEE,
+		     USB_DEVICE_ID_UGEE_TABLET_EX07S):
+		/* Ignore non-pen interfaces */
+		if (bInterfaceNumber != 1) {
+			uclogic_params_init_invalid(&p);
+			break;
+		}
+
+		rc = uclogic_params_pen_init_v1(&p.pen, &found, hdev);
+		if (rc != 0) {
+			hid_err(hdev, "pen probing failed: %d\n", rc);
+			goto cleanup;
+		} else if (found) {
+			rc = uclogic_params_frame_init_with_desc(
+				&p.frame,
+				uclogic_rdesc_ugee_ex07_buttonpad_arr,
+				uclogic_rdesc_ugee_ex07_buttonpad_size,
+				0);
+			if (rc != 0) {
+				hid_err(hdev,
+					"failed creating buttonpad parameters: %d\n",
+					rc);
+				goto cleanup;
+			}
+		} else {
+			hid_warn(hdev, "pen parameters not found");
+			uclogic_params_init_invalid(&p);
+		}
+
 		break;
 	}
 
diff --git a/drivers/hid/hid-uclogic-rdesc.c b/drivers/hid/hid-uclogic-rdesc.c
index ef1d3cf918a4..2ab8747e87b7 100644
--- a/drivers/hid/hid-uclogic-rdesc.c
+++ b/drivers/hid/hid-uclogic-rdesc.c
@@ -701,6 +701,33 @@ const __u8 uclogic_rdesc_buttonpad_v2_arr[] = {
 const size_t uclogic_rdesc_buttonpad_v2_size =
 			sizeof(uclogic_rdesc_buttonpad_v2_arr);
 
+/* Fixed report descriptor for Ugee EX07 buttonpad */
+const __u8 uclogic_rdesc_ugee_ex07_buttonpad_arr[] = {
+	0x05, 0x01,             /*  Usage Page (Desktop),                   */
+	0x09, 0x07,             /*  Usage (Keypad),                         */
+	0xA1, 0x01,             /*  Collection (Application),               */
+	0x85, 0x06,             /*      Report ID (6),                      */
+	0x05, 0x0D,             /*      Usage Page (Digitizer),             */
+	0x09, 0x39,             /*      Usage (Tablet Function Keys),       */
+	0xA0,                   /*      Collection (Physical),              */
+	0x05, 0x09,             /*          Usage Page (Button),            */
+	0x75, 0x01,             /*          Report Size (1),                */
+	0x19, 0x03,             /*          Usage Minimum (03h),            */
+	0x29, 0x06,             /*          Usage Maximum (06h),            */
+	0x95, 0x04,             /*          Report Count (4),               */
+	0x81, 0x02,             /*          Input (Variable),               */
+	0x95, 0x1A,             /*          Report Count (26),              */
+	0x81, 0x03,             /*          Input (Constant, Variable),     */
+	0x19, 0x01,             /*          Usage Minimum (01h),            */
+	0x29, 0x02,             /*          Usage Maximum (02h),            */
+	0x95, 0x02,             /*          Report Count (2),               */
+	0x81, 0x02,             /*          Input (Variable),               */
+	0xC0,                   /*      End Collection,                     */
+	0xC0                    /*  End Collection                          */
+};
+const size_t uclogic_rdesc_ugee_ex07_buttonpad_size =
+			sizeof(uclogic_rdesc_ugee_ex07_buttonpad_arr);
+
 /**
  * uclogic_rdesc_template_apply() - apply report descriptor parameters to a
  * report descriptor template, creating a report descriptor. Copies the
diff --git a/drivers/hid/hid-uclogic-rdesc.h b/drivers/hid/hid-uclogic-rdesc.h
index cc5f3dd3804a..3cb6e1725f43 100644
--- a/drivers/hid/hid-uclogic-rdesc.h
+++ b/drivers/hid/hid-uclogic-rdesc.h
@@ -131,4 +131,8 @@ extern const size_t uclogic_rdesc_buttonpad_v2_size;
 /* Report ID for tweaked v2 buttonpad reports */
 #define UCLOGIC_RDESC_BUTTONPAD_V2_ID 0xf7
 
+/* Fixed report descriptor for Ugee EX07 buttonpad */
+extern const __u8 uclogic_rdesc_ugee_ex07_buttonpad_arr[];
+extern const size_t uclogic_rdesc_ugee_ex07_buttonpad_size;
+
 #endif /* _HID_UCLOGIC_RDESC_H */
-- 
2.20.1




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