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Commit b677757c authored by Antonio Ospite's avatar Antonio Ospite Committed by Mauro Carvalho Chehab
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[media] m920x: introduce m920x_rc_core_query() 



Add an m920x_rc_core_query() function for drivers which want to use the
linux RC core infrastructure.

Signed-off-by: default avatarAntonio Ospite <ospite@studenti.unina.it>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 7a7ef465

drivers/media/usb/dvb-usb/m920x.c

+32 −0
Original line number Diff line number Diff line
@@ -215,6 +215,38 @@ static int m920x_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 
	return ret;

}



static int m920x_rc_core_query(struct dvb_usb_device *d)

{

	int ret = 0;

	u8 *rc_state;

	int state;



	rc_state = kmalloc(2, GFP_KERNEL);

	if (!rc_state)

		return -ENOMEM;



	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_STATE, &rc_state[0], 1)) != 0)

		goto out;



	if ((ret = m920x_read(d->udev, M9206_CORE, 0x0, M9206_RC_KEY, &rc_state[1], 1)) != 0)

		goto out;



	deb("state=0x%02x keycode=0x%02x\n", rc_state[0], rc_state[1]);



	m920x_parse_rc_state(d, rc_state[0], &state);



	if (state == REMOTE_NO_KEY_PRESSED)

		rc_keyup(d->rc_dev);

	else if (state == REMOTE_KEY_REPEAT)

		rc_repeat(d->rc_dev);

	else

		rc_keydown(d->rc_dev, rc_state[1], 0);



out:

	kfree(rc_state);

	return ret;

}



/* I2C */

static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num)

{