Commit a6927d81 authored by Sean Young's avatar Sean Young Committed by Mauro Carvalho Chehab
Browse files

media: rc: i2c: only poll if the rc device is opened 



The lirc_zilog driver only polls the device if the lirc chardev
is opened; do the same with the rc-core driver.

Signed-off-by: default avatarSean Young <sean@mess.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 50a762b4

drivers/media/i2c/ir-kbd-i2c.c

+21 −4
Original line number Diff line number Diff line
@@ -298,6 +298,22 @@ static void ir_work(struct work_struct *work) 
	schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling_interval));

}



static int ir_open(struct rc_dev *dev)

{

	struct IR_i2c *ir = dev->priv;



	schedule_delayed_work(&ir->work, 0);



	return 0;

}



static void ir_close(struct rc_dev *dev)

{

	struct IR_i2c *ir = dev->priv;



	cancel_delayed_work_sync(&ir->work);

}



/* ----------------------------------------------------------------------- */



static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id)
@@ -441,6 +457,9 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) 
	rc->input_phys       = ir->phys;

	rc->device_name	     = name;

	rc->dev.parent       = &client->dev;

	rc->priv             = ir;

	rc->open             = ir_open;

	rc->close            = ir_close;



	/*

	 * Initialize the other fields of rc_dev
@@ -450,14 +469,12 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) 
	if (!rc->driver_name)

		rc->driver_name = KBUILD_MODNAME;



	INIT_DELAYED_WORK(&ir->work, ir_work);



	err = rc_register_device(rc);

	if (err)

		goto err_out_free;



	/* start polling via eventd */

	INIT_DELAYED_WORK(&ir->work, ir_work);

	schedule_delayed_work(&ir->work, 0);



	return 0;



 err_out_free:

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