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; }