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Commit ed8c34d7 authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
Browse files

media: rc: report receiver and transmitter type on device register 



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: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 536f0f55

Documentation/media/uapi/rc/lirc-dev-intro.rst

+1 −1
Original line number Diff line number Diff line
@@ -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:

drivers/media/rc/lirc_dev.c

+20 −2
Original line number Diff line number Diff line
@@ -735,6 +735,7 @@ 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);
@@ -759,8 +760,25 @@ 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;