Fix ethernet accessory card bug and add capability directory

1 files changed, 69 insertions, 0 deletions

diff --git a/io-module/mts_capab.c b/io-module/mts_capab.c
new file mode 100644
index 0000000..35a91c6
--- /dev/null
+++ b/io-module/mts_capab.c
@@ -0,0 +1,69 @@
+/*
+ * capab.c
+ *
+ *  Created on: Dec 1, 2016
+ *      Author: jklug
+ */
+static ssize_t capab_show_value(struct kobject *kobj, struct kobj_attribute *attr, char *buf) {
+	ssize_t value;
+
+	if (! strcmp(attr->attr.name, "gps"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_GPS) != 0);
+	else if  (! strcmp(attr->attr.name, "din"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_DIN) != 0);
+	else if  (! strcmp(attr->attr.name, "dout"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_DOUT) != 0);
+	else if  (! strcmp(attr->attr.name, "adc"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_ADC) != 0);
+	else if  (! strcmp(attr->attr.name, "bluetooth"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_BLUETOOTH) != 0);
+	else if  (! strcmp(attr->attr.name, "wifi"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI) != 0);
+	else if  (! strcmp(attr->attr.name, "wifi_bt"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_WIFI_BT) != 0);
+	else if  (! strcmp(attr->attr.name, "gnss"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_GNSS) != 0);
+	else if  (! strcmp(attr->attr.name, "lora"))
+		value = snprintf(buf, 32, "%lu\n", DEVICE_CAPA(id_eeprom.capa, CAPA_LORA) != 0);
+	else {
+		log_error("attribute [%s] not found", attr->attr.name);
+		value = -1;
+	}
+
+	return value;
+}
+
+static char *attribute_names[] = {
+		"gps",
+		"din",
+		"dout",
+		"adc",
+		"bluetooth",
+		"wifi",
+		"wifi_bt",
+		"gnss",
+		"lora",
+};
+
+static bool capab_add_attributes(struct attribute** attrs) {
+	struct kobj_attribute* kobj_attr;
+	int i;
+	int count = sizeof(attribute_names)/sizeof(attribute_names[0]);
+
+	// We must keep the number of attributes in sync
+	BUG_ON(CAPA_COUNT != count);
+	log_info("capab_add_attributes, add %d attributes",count);
+	for(i=0;i<count;i++) {
+		kobj_attr = create_attribute(attribute_names[i], MTS_ATTR_MODE_RO);
+		if (! kobj_attr) {
+			log_error("failed to create attribute [%s]", attribute_names[i]);
+			return false;
+		}
+
+		kobj_attr->show = capab_show_value;
+		attrs[i] = &kobj_attr->attr;
+		log_error("created attribute [%s]", attribute_names[i]);
+	}
+
+	return true;
+}