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Commit 9d1da730 authored by David Henningsson's avatar David Henningsson Committed by Mauro Carvalho Chehab
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[media] DVB: IR support for TechnoTrend CT-3650 



Based on Waling Dijkstra's discovery that the IR works the same as
on the TT-1500, this patch has been rewritten to fit with the
rc_core infrastructure.

Signed-off-by: default avatarDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent ebce9a33

drivers/media/dvb/dvb-usb/ttusb2.c

+35 −0
Original line number Original line Diff line number Diff line
@@ -43,6 +43,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 




struct ttusb2_state {

struct ttusb2_state {

	u8 id;

	u8 id;

	u16 last_rc_key;

};

};





static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,

static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
@@ -128,6 +129,33 @@ static struct i2c_algorithm ttusb2_i2c_algo = { 
	.functionality = ttusb2_i2c_func,

	.functionality = ttusb2_i2c_func,

};

};





/* command to poll IR receiver (copied from pctv452e.c) */

#define CMD_GET_IR_CODE     0x1b



/* IR */

static int tt3650_rc_query(struct dvb_usb_device *d)

{

	int ret;

	u8 rx[9]; /* A CMD_GET_IR_CODE reply is 9 bytes long */

	struct ttusb2_state *st = d->priv;

	ret = ttusb2_msg(d, CMD_GET_IR_CODE, NULL, 0, rx, sizeof(rx));

	if (ret != 0)

		return ret;



	if (rx[8] & 0x01) {

		/* got a "press" event */

		st->last_rc_key = (rx[3] << 8) | rx[2];

		deb_info("%s: cmd=0x%02x sys=0x%02x\n", __func__, rx[2], rx[3]);

		rc_keydown(d->rc_dev, st->last_rc_key, 0);

	} else if (st->last_rc_key) {

		rc_keyup(d->rc_dev);

		st->last_rc_key = 0;

	}



	return 0;

}





/* Callbacks for DVB USB */

/* Callbacks for DVB USB */

static int ttusb2_identify_state (struct usb_device *udev, struct

static int ttusb2_identify_state (struct usb_device *udev, struct

		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,

		dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
@@ -345,6 +373,13 @@ static struct dvb_usb_device_properties ttusb2_properties_ct3650 = { 




	.size_of_priv = sizeof(struct ttusb2_state),

	.size_of_priv = sizeof(struct ttusb2_state),





	.rc.core = {

		.rc_interval      = 150, /* Less than IR_KEYPRESS_TIMEOUT */

		.rc_codes         = RC_MAP_TT_1500,

		.rc_query         = tt3650_rc_query,

		.allowed_protos   = RC_TYPE_UNKNOWN,

	},



	.num_adapters = 1,

	.num_adapters = 1,

	.adapter = {

	.adapter = {

		{

		{