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

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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-03-12 11:50:17 -03:00
parent 2915e5ef35
commit 9c89a181a0
2 changed files with 23 additions and 3 deletions
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1
drivers/media/IR/ir-keytable.c
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@ -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);

25
drivers/media/IR/ir-sysfs.c
View File

@ -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");