waterDataPreprocessing postProcessingDataMemoryDefinition.c 韩正义 commit at 2020-11-27

waterDataPreprocessing/dataSharedMemory/postProcessingDataMemoryDefinition.c

@@ -149,3 +149,84 @@ int __init omap_mux_init_gpio(int gpio, int val)
 	int ret;
 
 	list_for_each_entry(partition, &mux_partitions, node) {
+		ret = _omap_mux_init_gpio(partition, gpio, val);
+		if (!ret)
+			return ret;
+	}
+
+	return -ENODEV;
+}
+
+static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition,
+					const char *muxname,
+					struct omap_mux **found_mux)
+{
+	struct omap_mux *mux = NULL;
+	struct omap_mux_entry *e;
+	const char *mode_name;
+	int found = 0, found_mode = 0, mode0_len = 0;
+	struct list_head *muxmodes = &partition->muxmodes;
+
+	mode_name = strchr(muxname, '.');
+	if (mode_name) {
+		mode0_len = strlen(muxname) - strlen(mode_name);
+		mode_name++;
+	} else {
+		mode_name = muxname;
+	}
+
+	list_for_each_entry(e, muxmodes, node) {
+		char *m0_entry;
+		int i;
+
+		mux = &e->mux;
+		m0_entry = mux->muxnames[0];
+
+		/* First check for full name in mode0.muxmode format */
+		if (mode0_len && strncmp(muxname, m0_entry, mode0_len))
+			continue;
+
+		/* Then check for muxmode only */
+		for (i = 0; i < OMAP_MUX_NR_MODES; i++) {
+			char *mode_cur = mux->muxnames[i];
+
+			if (!mode_cur)
+				continue;
+
+			if (!strcmp(mode_name, mode_cur)) {
+				*found_mux = mux;
+				found++;
+				found_mode = i;
+			}
+		}
+	}
+
+	if (found == 1) {
+		return found_mode;
+	}
+
+	if (found > 1) {
+		pr_err("%s: Multiple signal paths (%i) for %s\n", __func__,
+		       found, muxname);
+		return -EINVAL;
+	}
+
+	pr_err("%s: Could not find signal %s\n", __func__, muxname);
+
+	return -ENODEV;
+}
+
+int __init omap_mux_get_by_name(const char *muxname,
+			struct omap_mux_partition **found_partition,
+			struct omap_mux **found_mux)
+{
+	struct omap_mux_partition *partition;
+
+	list_for_each_entry(partition, &mux_partitions, node) {
+		struct omap_mux *mux = NULL;
+		int mux_mode = _omap_mux_get_by_name(partition, muxname, &mux);
+		if (mux_mode < 0)
+			continue;
+
+		*found_partition = partition;
+		*found_mux = mux;