V4L/DVB: ir-core: Export IR name via uevent

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 23 insertions, 3 deletions

diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index af1f4d7fb910..6db3ff74659b 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -419,6 +419,7 @@ int ir_input_register(struct input_dev *input_dev,
 
         spin_lock_init(&ir_dev->rc_tab.lock);
 
+        ir_dev->rc_tab.name = rc_tab->name;
         ir_dev->rc_tab.size = ir_roundup_tablesize(rc_tab->size);
         ir_dev->rc_tab.scan = kzalloc(ir_dev->rc_tab.size *
                                     sizeof(struct ir_scancode), GFP_KERNEL);
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
index 59bd388be8d7..6d63657b5685 100644
--- a/drivers/media/IR/ir-sysfs.c
+++ b/drivers/media/IR/ir-sysfs.c
@@ -126,6 +126,24 @@ static ssize_t store_protocol(struct device *d,
         return len;
 }
 
+
+#define ADD_HOTPLUG_VAR(fmt, val...)                                    \
+        do {                                                            \
+                int err = add_uevent_var(env, fmt, val);                \
+                if (err)                                                \
+                        return err;                                     \
+        } while (0)
+
+static int ir_dev_uevent(struct device *device, struct kobj_uevent_env *env)
+{
+        struct ir_input_dev *ir_dev = dev_get_drvdata(device);
+
+        if (ir_dev->rc_tab.name)
+                ADD_HOTPLUG_VAR("NAME=\"%s\"", ir_dev->rc_tab.name);
+
+        return 0;
+}
+
 /*
  * Static device attribute struct with the sysfs attributes for IR's
  */
@@ -148,9 +166,9 @@ static const struct attribute_group *ir_dev_attr_groups[] = {
 
 static struct device_type ir_dev_type = {
         .groups         = ir_dev_attr_groups,
+        .uevent         = ir_dev_uevent,
 };
 
-
 /**
  * ir_register_class() - creates the sysfs for /sys/class/irrcv/irrcv?
  * @input_dev:  the struct input_dev descriptor of the device
@@ -173,6 +191,7 @@ int ir_register_class(struct input_dev *input_dev)
         ir_dev->dev.class = &ir_input_class;
         ir_dev->dev.parent = input_dev->dev.parent;
         dev_set_name(&ir_dev->dev, "irrcv%d", devno);
+        dev_set_drvdata(&ir_dev->dev, ir_dev);
         rc = device_register(&ir_dev->dev);
         if (rc)
                 return rc;
@@ -187,8 +206,8 @@ int ir_register_class(struct input_dev *input_dev)
 
         __module_get(THIS_MODULE);
 
-        path = kobject_get_path(&input_dev->dev.kobj, GFP_KERNEL);
-        printk(KERN_INFO "%s: %s associated with sysfs %s\n",
+        path = kobject_get_path(&ir_dev->dev.kobj, GFP_KERNEL);
+        printk(KERN_INFO "%s: %s as %s\n",
                 dev_name(&ir_dev->dev),
                 input_dev->name ? input_dev->name : "Unspecified device",
                 path ? path : "N/A");