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-rw-r--r--drivers/media/IR/Makefile2
-rw-r--r--drivers/media/IR/ir-keytable.c17
-rw-r--r--drivers/media/IR/ir-sysfs.c94
-rw-r--r--include/media/ir-core.h12
4 files changed, 119 insertions, 6 deletions
diff --git a/drivers/media/IR/Makefile b/drivers/media/IR/Makefile
index df5ddb4..171890e 100644
--- a/drivers/media/IR/Makefile
+++ b/drivers/media/IR/Makefile
@@ -1,5 +1,5 @@
ir-common-objs := ir-functions.o ir-keymaps.o
-ir-core-objs := ir-keytable.o
+ir-core-objs := ir-keytable.o ir-sysfs.o
obj-$(CONFIG_IR_CORE) += ir-core.o
obj-$(CONFIG_VIDEO_IR) += ir-common.o
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index b521ed9..8097561 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -447,12 +447,21 @@ int ir_input_register(struct input_dev *input_dev,
input_set_drvdata(input_dev, ir_dev);
rc = input_register_device(input_dev);
+ if (rc < 0)
+ goto err;
+
+ rc = ir_register_class(input_dev);
if (rc < 0) {
- kfree(rc_tab->scan);
- kfree(ir_dev);
- input_set_drvdata(input_dev, NULL);
+ input_unregister_device(input_dev);
+ goto err;
}
+ return 0;
+
+err:
+ kfree(rc_tab->scan);
+ kfree(ir_dev);
+ input_set_drvdata(input_dev, NULL);
return rc;
}
EXPORT_SYMBOL_GPL(ir_input_register);
@@ -472,6 +481,8 @@ void ir_input_unregister(struct input_dev *dev)
kfree(rc_tab->scan);
rc_tab->scan = NULL;
+ ir_unregister_class(dev);
+
kfree(ir_dev);
input_unregister_device(dev);
}
diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
new file mode 100644
index 0000000..3c60142
--- /dev/null
+++ b/drivers/media/IR/ir-sysfs.c
@@ -0,0 +1,94 @@
+/* ir-register.c - handle IR scancode->keycode tables
+ *
+ * Copyright (C) 2009 by Mauro Carvalho Chehab <mchehab@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/input.h>
+#include <linux/device.h>
+#include <media/ir-core.h>
+
+#define IRRCV_NUM_DEVICES 256
+
+unsigned long ir_core_dev_number;
+
+static struct class *ir_input_class;
+
+static DEVICE_ATTR(ir_protocol, S_IRUGO | S_IWUSR, NULL, NULL);
+
+static struct attribute *ir_dev_attrs[] = {
+ &dev_attr_ir_protocol.attr,
+};
+
+int ir_register_class(struct input_dev *input_dev)
+{
+ int rc;
+ struct kobject *kobj;
+
+ struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ int devno = find_first_zero_bit(&ir_core_dev_number,
+ IRRCV_NUM_DEVICES);
+
+ if (unlikely(devno < 0))
+ return devno;
+
+ ir_dev->attr.attrs = ir_dev_attrs;
+ ir_dev->class_dev = device_create(ir_input_class, NULL,
+ input_dev->dev.devt, ir_dev,
+ "irrcv%d", devno);
+ kobj = &ir_dev->class_dev->kobj;
+
+ printk(KERN_WARNING "Creating IR device %s\n", kobject_name(kobj));
+ rc = sysfs_create_group(kobj, &ir_dev->attr);
+ if (unlikely(rc < 0)) {
+ device_destroy(ir_input_class, input_dev->dev.devt);
+ return -ENOMEM;
+ }
+
+ ir_dev->devno = devno;
+ set_bit(devno, &ir_core_dev_number);
+
+ return 0;
+};
+
+void ir_unregister_class(struct input_dev *input_dev)
+{
+ struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
+ struct kobject *kobj;
+
+ clear_bit(ir_dev->devno, &ir_core_dev_number);
+
+ kobj = &ir_dev->class_dev->kobj;
+
+ sysfs_remove_group(kobj, &ir_dev->attr);
+ device_destroy(ir_input_class, input_dev->dev.devt);
+
+ kfree(ir_dev->attr.name);
+}
+
+static int __init ir_core_init(void)
+{
+ ir_input_class = class_create(THIS_MODULE, "irrcv");
+ if (IS_ERR(ir_input_class)) {
+ printk(KERN_ERR "ir_core: unable to register irrcv class\n");
+ return PTR_ERR(ir_input_class);
+ }
+
+ return 0;
+}
+
+static void __exit ir_core_exit(void)
+{
+ class_destroy(ir_input_class);
+}
+
+module_init(ir_core_init);
+module_exit(ir_core_exit);
diff --git a/include/media/ir-core.h b/include/media/ir-core.h
index 299d201..a5a3bda 100644
--- a/include/media/ir-core.h
+++ b/include/media/ir-core.h
@@ -42,8 +42,11 @@ struct ir_scancode_table {
};
struct ir_input_dev {
- struct input_dev *dev;
- struct ir_scancode_table rc_tab;
+ struct input_dev *dev; /* Input device*/
+ struct ir_scancode_table rc_tab; /* scan/key table */
+ unsigned long devno; /* device number */
+ struct attribute_group attr; /* IR attributes */
+ struct device *class_dev; /* virtual class dev */
};
/* Routines from ir-keytable.c */
@@ -59,4 +62,9 @@ int ir_input_register(struct input_dev *dev,
struct ir_scancode_table *ir_codes);
void ir_input_unregister(struct input_dev *input_dev);
+/* Routines from ir-sysfs.c */
+
+int ir_register_class(struct input_dev *input_dev);
+void ir_unregister_class(struct input_dev *input_dev);
+
#endif
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