2 files changed, 15 insertions, 0 deletions

diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 8f4c4ab04bc2..b29134de983b 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -451,6 +451,13 @@ static ssize_t serio_set_bind_mode(struct device *dev, struct device_attribute *
         return retval;
 }
 
+static ssize_t firmware_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+        struct serio *serio = to_serio_port(dev);
+
+        return sprintf(buf, "%s\n", serio->firmware_id);
+}
+
 static DEVICE_ATTR_RO(type);
 static DEVICE_ATTR_RO(proto);
 static DEVICE_ATTR_RO(id);
@@ -473,12 +480,14 @@ static DEVICE_ATTR_RO(modalias);
 static DEVICE_ATTR_WO(drvctl);
 static DEVICE_ATTR(description, S_IRUGO, serio_show_description, NULL);
 static DEVICE_ATTR(bind_mode, S_IWUSR | S_IRUGO, serio_show_bind_mode, serio_set_bind_mode);
+static DEVICE_ATTR_RO(firmware_id);
 
 static struct attribute *serio_device_attrs[] = {
         &dev_attr_modalias.attr,
         &dev_attr_description.attr,
         &dev_attr_drvctl.attr,
         &dev_attr_bind_mode.attr,
+        &dev_attr_firmware_id.attr,
         NULL
 };
 
@@ -921,9 +930,14 @@ static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
         SERIO_ADD_UEVENT_VAR("SERIO_PROTO=%02x", serio->id.proto);
         SERIO_ADD_UEVENT_VAR("SERIO_ID=%02x", serio->id.id);
         SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
+
         SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
                                 serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
 
+        if (serio->firmware_id[0])
+                SERIO_ADD_UEVENT_VAR("SERIO_FIRMWARE_ID=%s",
+                                     serio->firmware_id);
+
         return 0;
 }
 #undef SERIO_ADD_UEVENT_VAR
diff --git a/include/linux/serio.h b/include/linux/serio.h
index 36aac733840a..9f779c7a2da4 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -23,6 +23,7 @@ struct serio {
 
         char name[32];
         char phys[32];
+        char firmware_id[128];
 
         bool manual_bind;