@@ -18,7 +18,7 @@ Example dmesg output upon a driver registering w/LIRC:
.. code-block:: none
$ dmesg |grep lirc_dev
- rc rc0: lirc_dev: driver mceusb registered at minor = 0
+ rc rc0: lirc_dev: driver mceusb registered at minor = 0, raw IR receiver, raw IR transmitter
What you should see for a chardev:
@@ -742,6 +742,7 @@ static void lirc_release_device(struct device *ld)
int ir_lirc_register(struct rc_dev *dev)
{
+ const char *rx_type, *tx_type;
int err, minor;
minor = ida_simple_get(&lirc_ida, 0, RC_DEV_MAX, GFP_KERNEL);
@@ -766,8 +767,25 @@ int ir_lirc_register(struct rc_dev *dev)
get_device(&dev->dev);
- dev_info(&dev->dev, "lirc_dev: driver %s registered at minor = %d",
- dev->driver_name, minor);
+ switch (dev->driver_type) {
+ case RC_DRIVER_SCANCODE:
+ rx_type = "scancode";
+ break;
+ case RC_DRIVER_IR_RAW:
+ rx_type = "raw IR";
+ break;
+ default:
+ rx_type = "no";
+ break;
+ }
+
+ if (dev->tx_ir)
+ tx_type = "raw IR";
+ else
+ tx_type = "no";
+
+ dev_info(&dev->dev, "lirc_dev: driver %s registered at minor = %d, %s receiver, %s transmitter",
+ dev->driver_name, minor, rx_type, tx_type);
return 0;
On the raspberry pi, we might have two lirc devices; one for sending and one for receiving. This change makes it much more apparent which one is which. Signed-off-by: Sean Young <sean@mess.org> --- Documentation/media/uapi/rc/lirc-dev-intro.rst | 2 +- drivers/media/rc/lirc_dev.c | 22 ++++++++++++++++++++-- 2 files changed, 21 insertions(+), 3 deletions(-)