test: add format S24_3LE in volume test

The format is added to make volume test pass.
The implementation will be added later.

Signed-off-by: Rander Wang <rander.wang@intel.com>

Author: RanderWang

test/cmocka/src/audio/eq_iir/eq_iir_process.c

@@ -383,6 +383,8 @@ static void test_audio_eq_iir(void **state)
 		case SOF_IPC_FRAME_S32_LE:
 			fill_source_s32(td, frames);
 			break;
+		case SOF_IPC_FRAME_S24_3LE:
+			break;
 		default:
 			assert(0);
 			break;

test/cmocka/src/audio/mux/demux_copy.c

@@ -305,6 +305,10 @@ int main(void)
 				tests[ti].test_func = test_demux_copy_proc_32;
 				break;
 #endif /* CONFIG_FORMAT_S32LE */
+#if CONFIG_FORMAT_S24_3LE
+			case SOF_IPC_FRAME_S24_3LE:
+				break;
+#endif /* CONFIG_FORMAT_S24_3LE */
 			default:
 				return -EINVAL;
 			}

test/cmocka/src/audio/mux/mux_copy.c

@@ -324,6 +324,10 @@ int main(void)
 				tests[ti].test_func = test_mux_copy_proc_32;
 				break;
 #endif /* CONFIG_FORMAT_S32LE */
+#if CONFIG_FORMAT_S24_3LE
+			case SOF_IPC_FRAME_S24_3LE:
+				break;
+#endif /* CONFIG_FORMAT_S24_3LE */
 			default:
 				return -EINVAL;
 			}

test/cmocka/src/audio/selector/selector_test.c

@@ -280,8 +280,10 @@ static void test_audio_sel(void **state)
 		fill_source_s32(sel_state);
 		break;
 #endif /* CONFIG_FORMAT_S24LE || CONFIG_FORMAT_S32LE */
+/* TODO: add S24_3LE support */
+	case SOF_IPC_FRAME_S24_3LE:
+		break;
 	}
-
 	cd->sel_func(sel_state->dev, &sel_state->sink->stream, &sel_state->source->stream,
 		     sel_state->dev->frames);
 

test/cmocka/src/audio/volume/volume_process.c

@@ -385,6 +385,9 @@ static void test_audio_vol(void **state)
 	case SOF_IPC_FRAME_FLOAT:
 		fill_source_s32(vol_state);
 		break;
+	case SOF_IPC_FRAME_S24_3LE:
+		/* TODO: add 3LE support */
+		break;
 	}
 
 	cd->scale_vol(vol_state->dev, &vol_state->sink->stream,