int dvb_usb_nec_rc_key_to_event(struct dvb_usb_device *d,
u8 keybuf[5], u32 *event, int *state)
{
int i;
struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
*event = 0;
*state = REMOTE_NO_KEY_PRESSED;
switch (keybuf[0]) {
case DVB_USB_RC_NEC_EMPTY:
break;
case DVB_USB_RC_NEC_KEY_PRESSED:
if ((u8) ~keybuf[1] != keybuf[2] ||
(u8) ~keybuf[3] != keybuf[4]) {
deb_err("remote control checksum failed.\n");
break;
}
/* See if we can match the raw key code. */
for (i = 0; i < d->props.rc_key_map_size; i++)
if (keymap[i].custom == keybuf[1] &&
keymap[i].data == keybuf[3]) {
*event = keymap[i].event;
*state = REMOTE_KEY_PRESSED;
return 0;
}
deb_err("key mapping failed - no appropriate key found in keymapping\n");
break;
case DVB_USB_RC_NEC_KEY_REPEATED:
*state = REMOTE_KEY_REPEAT;
break;
default:
deb_err("unkown type of remote status: %d\n",keybuf[0]);
break;
}
return 0;
}
/*
* USB
*/
int dvb_usb_device_init(struct usb_interface *intf,
struct dvb_usb_device_properties *props,
struct module *owner, struct dvb_usb_device **du,
short *adapter_nums)
{
struct usb_device *udev = interface_to_usbdev(intf);
struct dvb_usb_device *d = NULL;
struct dvb_usb_device_description *desc = NULL;
int ret = -ENOMEM, cold = 0;
if (du != NULL)
*du = NULL;
if ((desc = dvb_usb_find_device(udev, props, &cold)) == NULL) {
deb_err("something went very wrong, device was not found in current device list - let's see what comes next.\n");
return -ENODEV;
}
if (cold) {
info("found a '%s' in cold state, will try to load a firmware", desc->name);
ret = dvb_usb_download_firmware(udev, props);
if (!props->no_reconnect || ret != 0)
return ret;
}
info("found a '%s' in warm state.", desc->name);
d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
if (d == NULL) {
err("no memory for 'struct dvb_usb_device'");
return -ENOMEM;
}
d->udev = udev;
memcpy(&d->props, props, sizeof(struct dvb_usb_device_properties));
d->desc = desc;
d->owner = owner;
usb_set_intfdata(intf, d);
if (du != NULL)
*du = d;
ret = dvb_usb_init(d, adapter_nums);
if (ret == 0)
info("%s successfully initialized and connected.", desc->name);
else
info("%s error while loading driver (%d)", desc->name, ret);
return ret;
}
