add device info to sysfs

1 files changed, 41 insertions, 0 deletions

diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 401ee30..9ea8456 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -1894,6 +1894,26 @@ static ssize_t mts_attr_store_serial_mode(struct device *dev,
 	return count;
 }
 
+static ssize_t mts_attr_show_product_info(struct device *dev,
+			struct device_attribute *attr,
+			char *buf)
+{
+	ssize_t value;
+
+	if (strcmp(attr->attr.name, "product-id") == 0) {
+		value = sprintf(buf, "%s\n", id_eeprom.product_id);
+	} else if (strcmp(attr->attr.name, "device-id") == 0) {
+		value = sprintf(buf, "%s\n", id_eeprom.device_id);
+	} else if (strcmp(attr->attr.name, "hw-version") == 0) {
+		value = sprintf(buf, "%s\n", id_eeprom.hw_version);
+	} else {
+		log_error("attribute '%s' not found", attr->attr.name);
+		value = -1;
+	}
+
+	return value;
+}
+
 static DEVICE_ATTR_MTS(dev_attr_serial_mode, "serial-mode",
 	mts_attr_show_serial_mode, mts_attr_store_serial_mode);
 
@@ -1903,7 +1923,19 @@ static DEVICE_ATTR_MTS(dev_attr_eth_switch_enabled, "eth-switch-enabled",
 static DEVICE_ATTR_MTS(dev_attr_radio_reset_telit, "radio-reset",
 	mts_attr_show_gpio_pin, mts_attr_store_radio_reset_telit);
 
+static DEVICE_ATTR_RO_MTS(dev_attr_product_id, "product-id",
+	mts_attr_show_product_info);
+
+static DEVICE_ATTR_RO_MTS(dev_attr_device_id, "device-id",
+	mts_attr_show_product_info);
+
+static DEVICE_ATTR_RO_MTS(dev_attr_hw_version, "hw-version",
+	mts_attr_show_product_info);
+
 static struct attribute *mt100eocg_platform_attributes[] = {
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
 	&dev_attr_extserial_dtr.attr,
 	&dev_attr_extserial_dcd_gpio.attr,
 	&dev_attr_rsersrc.attr,
@@ -1945,6 +1977,9 @@ static struct attribute_group mt100eocg_platform_attribute_group = {
 };
 
 static struct attribute *mtr2_platform_attributes[] = {
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
 	&dev_attr_reset.attr,
 	&dev_attr_reset_monitor.attr,
 	&dev_attr_radio_reset.attr,
@@ -1983,6 +2018,9 @@ static struct attribute_group mtr2_platform_attribute_group = {
 };
 
 static struct attribute *mtcdp_platform_attributes[] = {
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
 	&dev_attr_reset.attr,
 	&dev_attr_reset_monitor.attr,
 	&dev_attr_radio_reset.attr,
@@ -2046,6 +2084,9 @@ static struct attribute_group mtcdp_platform_attribute_group = {
 };
 
 static struct attribute *mtr_platform_attributes[] = {
+	&dev_attr_product_id.attr,
+	&dev_attr_device_id.attr,
+	&dev_attr_hw_version.attr,
 	&dev_attr_reset.attr,
 	&dev_attr_reset_monitor.attr,
 	&dev_attr_radio_reset_telit.attr,