HID: uclogic: name the input nodes based on their tool

We append "Pen", "Pad", "Mouse", "Keyboard", "Consumer Control" or
"System Control" suffix to the appropriate input node to match what
the Wacom driver does and be more convenient for the user to know
which one is which.

Reviewed-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c
index 397f1df05d8b..90e261218e66 100644
--- a/drivers/hid/hid-uclogic.c
+++ b/drivers/hid/hid-uclogic.c
@@ -713,6 +713,51 @@ static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
         return rdesc;
 }
 
+static void uclogic_input_configured(struct hid_device *hdev,
+                struct hid_input *hi)
+{
+        char *name;
+        const char *suffix = NULL;
+        struct hid_field *field;
+        size_t len;
+
+        /* no report associated (HID_QUIRK_MULTI_INPUT not set) */
+        if (!hi->report)
+                return;
+
+        field = hi->report->field[0];
+
+        switch (field->application) {
+        case HID_GD_KEYBOARD:
+                suffix = "Keyboard";
+                break;
+        case HID_GD_MOUSE:
+                suffix = "Mouse";
+                break;
+        case HID_GD_KEYPAD:
+                suffix = "Pad";
+                break;
+        case HID_DG_PEN:
+                suffix = "Pen";
+                break;
+        case HID_CP_CONSUMER_CONTROL:
+                suffix = "Consumer Control";
+                break;
+        case HID_GD_SYSTEM_CONTROL:
+                suffix = "System Control";
+                break;
+        }
+
+        if (suffix) {
+                len = strlen(hdev->name) + 2 + strlen(suffix);
+                name = devm_kzalloc(&hi->input->dev, len, GFP_KERNEL);
+                if (name) {
+                        snprintf(name, len, "%s %s", hdev->name, suffix);
+                        hi->input->name = name;
+                }
+        }
+}
+
 /**
  * Enable fully-functional tablet mode and determine device parameters.
  *
@@ -901,6 +946,7 @@ static struct hid_driver uclogic_driver = {
         .probe = uclogic_probe,
         .report_fixup = uclogic_report_fixup,
         .raw_event = uclogic_raw_event,
+        .input_configured = uclogic_input_configured,
 };
 module_hid_driver(uclogic_driver);