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Commit 8a8dad71 authored by Igor M. Liplianin's avatar Igor M. Liplianin Committed by Mauro Carvalho Chehab
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V4L/DVB (11981): Remote control debugging for dw2102 driver based USB cards 



Remote control debugging for dw2102 driver based USB cards
It includes DVBWorld, TeVii, Terratec and others.
Type 'modprobe dvb-usb-dw2102 debug=4', then look at dmesg output.

Signed-off-by: default avatarIgor M. Liplianin <liplianin@me.by>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 1cdc6392

drivers/media/dvb/dvb-usb/dw2102.c

+20 −7
Original line number Diff line number Diff line
@@ -51,7 +51,9 @@ struct dw210x_rc_keys { 
/* debug */

static int dvb_usb_dw2102_debug;

module_param_named(debug, dvb_usb_dw2102_debug, int, 0644);

MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer (or-able))." DVB_USB_DEBUG_STATUS);

MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))."

						DVB_USB_DEBUG_STATUS);





DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
@@ -553,26 +555,37 @@ static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) 
{

	struct dw210x_state *st = d->priv;

	u8 key[2];

	struct i2c_msg msg[] = {

		{.addr = DW2102_RC_QUERY, .flags = I2C_M_RD, .buf = key,

		.len = 2},

	struct i2c_msg msg = {

		.addr = DW2102_RC_QUERY,

		.flags = I2C_M_RD,

		.buf = key,

		.len = 2

	};

	int i;



	*state = REMOTE_NO_KEY_PRESSED;

	if (dw2102_i2c_transfer(&d->i2c_adap, msg, 1) == 1) {

	if (dw2102_i2c_transfer(&d->i2c_adap, &msg, 1) == 1) {

		for (i = 0; i < ARRAY_SIZE(dw210x_rc_keys); i++) {

			if (dw210x_rc_keys[i].data == msg[0].buf[0]) {

			if (dw210x_rc_keys[i].data == msg.buf[0]) {

				*state = REMOTE_KEY_PRESSED;

				*event = dw210x_rc_keys[i].event;

				st->last_key_pressed =

					dw210x_rc_keys[i].event;

				break;

			}



		st->last_key_pressed = 0;

		}



		if ((*state) == REMOTE_KEY_PRESSED)

			deb_rc("%s: found rc key: %x, %x, event: %x\n",

					__func__, key[0], key[1], (*event));

		else if (key[0] != 0xff)

			deb_rc("%s: unknown rc key: %x, %x\n",

					__func__, key[0], key[1]);



	}

	/* info("key: %x %x\n",key[0],key[1]); */



	return 0;

}

drivers/media/dvb/dvb-usb/dw2102.h

+1 −0
Original line number Diff line number Diff line
@@ -5,4 +5,5 @@ 
#include "dvb-usb.h"



#define deb_xfer(args...) dprintk(dvb_usb_dw2102_debug, 0x02, args)

#define deb_rc(args...)   dprintk(dvb_usb_dw2102_debug, 0x04, args)

#endif