HID: wacom: more appropriate tool type categorization

Recent eraser and pen tools are able to be distinguished
by looking at its least significant nibble.
This modification applies it to wacom_intuos_get_tool_type
function and reduces its code lines.

Signed-off-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com>
Signed-off-by: Tatsunosuke Tobita <tatsunosuke.wacom@gmail.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Link: https://patch.msgid.link/20240709055729.17158-2-tatsunosuke.wacom@gmail.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>

diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 20de97c..1f45649 100644 (file)
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -692,77 +692,28 @@ static bool wacom_is_art_pen(int tool_id)
 
 static int wacom_intuos_get_tool_type(int tool_id)
 {
-       int tool_type = BTN_TOOL_PEN;
-
-       if (wacom_is_art_pen(tool_id))
-               return tool_type;
-
        switch (tool_id) {
        case 0x812: /* Inking pen */
        case 0x801: /* Intuos3 Inking pen */
        case 0x12802: /* Intuos4/5 Inking Pen */
        case 0x012:
-               tool_type = BTN_TOOL_PENCIL;
-               break;
-
-       case 0x822: /* Pen */
-       case 0x842:
-       case 0x852:
-       case 0x823: /* Intuos3 Grip Pen */
-       case 0x813: /* Intuos3 Classic Pen */
-       case 0x802: /* Intuos4/5 13HD/24HD General Pen */
-       case 0x8e2: /* IntuosHT2 pen */
-       case 0x022:
-       case 0x200: /* Pro Pen 3 */
-       case 0x10842: /* MobileStudio Pro Pro Pen slim */
-       case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
-       case 0x16802: /* Cintiq 13HD Pro Pen */
-       case 0x18802: /* DTH2242 Pen */
-       case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
-       case 0x8842: /* Intuos Pro and Cintiq Pro 3D Pen */
-               tool_type = BTN_TOOL_PEN;
-               break;
+               return BTN_TOOL_PENCIL;
 
        case 0x832: /* Stroke pen */
        case 0x032:
-               tool_type = BTN_TOOL_BRUSH;
-               break;
+               return BTN_TOOL_BRUSH;
 
        case 0x007: /* Mouse 4D and 2D */
        case 0x09c:
        case 0x094:
        case 0x017: /* Intuos3 2D Mouse */
        case 0x806: /* Intuos4 Mouse */
-               tool_type = BTN_TOOL_MOUSE;
-               break;
+               return BTN_TOOL_MOUSE;
 
        case 0x096: /* Lens cursor */
        case 0x097: /* Intuos3 Lens cursor */
        case 0x006: /* Intuos4 Lens cursor */
-               tool_type = BTN_TOOL_LENS;
-               break;
-
-       case 0x82a: /* Eraser */
-       case 0x84a:
-       case 0x85a:
-       case 0x91a:
-       case 0xd1a:
-       case 0x0fa:
-       case 0x82b: /* Intuos3 Grip Pen Eraser */
-       case 0x81b: /* Intuos3 Classic Pen Eraser */
-       case 0x91b: /* Intuos3 Airbrush Eraser */
-       case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
-       case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
-       case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
-       case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
-       case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
-       case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
-       case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
-       case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
-       case 0x1880a: /* DTH2242 Eraser */
-       case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
-               tool_type = BTN_TOOL_RUBBER;
-               break;
+               return BTN_TOOL_LENS;
 
        case 0xd12:
        case 0x912:
@@ -770,10 +721,13 @@ static int wacom_intuos_get_tool_type(int tool_id)
        case 0x913: /* Intuos3 Airbrush */
        case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
        case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
-               tool_type = BTN_TOOL_AIRBRUSH;
-               break;
+               return BTN_TOOL_AIRBRUSH;
+
+       default:
+               if (tool_id & 0x0008)
+                       return BTN_TOOL_RUBBER;
+               return BTN_TOOL_PEN;
        }
-       return tool_type;
 }
 
 static void wacom_exit_report(struct wacom_wac *wacom)