Oh, joy, a new mysterious waveform mode...

It sure would be nice if we had kernel sources in a timely manner...

eink/mtk-kobo.h

@@ -70,6 +70,8 @@ enum HWTCON_WAVEFORM_MODE_ENUM
 	HWTCON_WAVEFORM_MODE_A2     = 6,
 	HWTCON_WAVEFORM_MODE_GCK16  = 8,
 	HWTCON_WAVEFORM_MODE_GLKW16 = 9,    // AKA. GCKW16; REAGL DARK
+	// Introduced with Kaleido devices
+	HWTCON_WAVEFORM_MODE_COLOR  = 10,    // FIXME: Actual name TBC, probably a GC something, as it pairs with FULL.
 	// Matches MXCFB
 	HWTCON_WAVEFORM_MODE_AUTO   = 257,
 };

fbink.c

@@ -8709,6 +8709,9 @@ static uint32_t
 			case WFM_GLKW16:
 				waveform_mode = HWTCON_WAVEFORM_MODE_GLKW16;
 				break;
+			case WFM_COLOR:
+				waveform_mode = HWTCON_WAVEFORM_MODE_COLOR;
+				break;
 			case WFM_AUTO:
 				waveform_mode = HWTCON_WAVEFORM_MODE_AUTO;
 				break;
@@ -9064,6 +9067,8 @@ static __attribute__((cold)) const char*
 			return "GCK16";
 		case HWTCON_WAVEFORM_MODE_GLKW16:
 			return "GLKW16";
+		case HWTCON_WAVEFORM_MODE_COLOR:
+			return "COLOR";
 		case HWTCON_WAVEFORM_MODE_AUTO:
 			return "AUTO";
 		default:

fbink.h

@@ -433,6 +433,8 @@ typedef enum
 	WFM_GCK16_PARTIAL,    // Internal use only, GCK16 + PARTIAL
 	WFM_DUNM,             // DU, but for white-on-black.
 	WFM_P2SW,             // Internal use only, used by the swipe animation.
+	// Kobo MTK only
+	WFM_COLOR,    // FIXME: Rename properly once we have kernel sources
 
 	WFM_MAX = UINT8_MAX,    // uint8_t
 } __attribute__((packed)) WFM_MODE_INDEX_E;