V4L/DVB: ir-core: Distinguish sysfs attributes for in-hardware and raw decoders

Some devices have in-hardware Remote Controller decoder, while others
need a software decoder to get the IR code. As each software decoder
can be enabled/disabled individually, allowing multiple protocol
decoding capability.

On the other hand, hardware decoders have a limited protocol
support, often being able of decoding just one protocol each time.
So, each type needs a different set of capabilities to control the
supported protocol(s).

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

1 files changed, 16 insertions, 9 deletions

diff --git a/drivers/media/IR/ir-sysfs.c b/drivers/media/IR/ir-sysfs.c
index c33333f1f60e..81eebd8eae5a 100644
--- a/drivers/media/IR/ir-sysfs.c
+++ b/drivers/media/IR/ir-sysfs.c
@@ -152,22 +152,26 @@ static int ir_dev_uevent(struct device *device, struct kobj_uevent_env *env)
 static DEVICE_ATTR(current_protocol, S_IRUGO | S_IWUSR,
                    show_protocol, store_protocol);
 
-static struct attribute *ir_dev_attrs[] = {
+static struct attribute *ir_hw_dev_attrs[] = {
         &dev_attr_current_protocol.attr,
         NULL,
 };
 
-static struct attribute_group ir_dev_attr_grp = {
-        .attrs  = ir_dev_attrs,
+static struct attribute_group ir_hw_dev_attr_grp = {
+        .attrs  = ir_hw_dev_attrs,
 };
 
-static const struct attribute_group *ir_dev_attr_groups[] = {
-        &ir_dev_attr_grp,
+static const struct attribute_group *ir_hw_dev_attr_groups[] = {
+        &ir_hw_dev_attr_grp,
         NULL
 };
 
-static struct device_type ir_dev_type = {
-        .groups         = ir_dev_attr_groups,
+static struct device_type rc_dev_type = {
+        .groups         = ir_hw_dev_attr_groups,
+        .uevent         = ir_dev_uevent,
+};
+
+static struct device_type ir_raw_dev_type = {
         .uevent         = ir_dev_uevent,
 };
 
@@ -181,7 +185,6 @@ int ir_register_class(struct input_dev *input_dev)
 {
         int rc;
         const char *path;
-
         struct ir_input_dev *ir_dev = input_get_drvdata(input_dev);
         int devno = find_first_zero_bit(&ir_core_dev_number,
                                         IRRCV_NUM_DEVICES);
@@ -189,7 +192,11 @@ int ir_register_class(struct input_dev *input_dev)
         if (unlikely(devno < 0))
                 return devno;
 
-        ir_dev->dev.type = &ir_dev_type;
+        if (ir_dev->props->driver_type == RC_DRIVER_SCANCODE)
+                ir_dev->dev.type = &rc_dev_type;
+        else
+                ir_dev->dev.type = &ir_raw_dev_type;
+
         ir_dev->dev.class = &ir_input_class;
         ir_dev->dev.parent = input_dev->dev.parent;
         dev_set_name(&ir_dev->dev, "rc%d", devno);