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kernel/linux-rt-4.4.41/drivers/media/pci/mantis/mantis_input.c 2.15 KB
5113f6f70   김현기   kernel add
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  /*
  	Mantis PCI bridge driver
  
  	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
  
  	This program is free software; you can redistribute it and/or modify
  	it under the terms of the GNU General Public License as published by
  	the Free Software Foundation; either version 2 of the License, or
  	(at your option) any later version.
  
  	This program is distributed in the hope that it will be useful,
  	but WITHOUT ANY WARRANTY; without even the implied warranty of
  	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  	GNU General Public License for more details.
  */
  
  #include <media/rc-core.h>
  #include <linux/pci.h>
  
  #include "dmxdev.h"
  #include "dvbdev.h"
  #include "dvb_demux.h"
  #include "dvb_frontend.h"
  #include "dvb_net.h"
  
  #include "mantis_common.h"
  #include "mantis_input.h"
  
  #define MODULE_NAME "mantis_core"
  
  void mantis_input_process(struct mantis_pci *mantis, int scancode)
  {
  	if (mantis->rc)
  		rc_keydown(mantis->rc, RC_TYPE_UNKNOWN, scancode, 0);
  }
  
  int mantis_input_init(struct mantis_pci *mantis)
  {
  	struct rc_dev *dev;
  	int err;
  
  	dev = rc_allocate_device();
  	if (!dev) {
  		dprintk(MANTIS_ERROR, 1, "Remote device allocation failed");
  		err = -ENOMEM;
  		goto out;
  	}
  
  	snprintf(mantis->input_name, sizeof(mantis->input_name),
  		 "Mantis %s IR receiver", mantis->hwconfig->model_name);
  	snprintf(mantis->input_phys, sizeof(mantis->input_phys),
  		 "pci-%s/ir0", pci_name(mantis->pdev));
  
  	dev->input_name         = mantis->input_name;
  	dev->input_phys         = mantis->input_phys;
  	dev->input_id.bustype   = BUS_PCI;
  	dev->input_id.vendor    = mantis->vendor_id;
  	dev->input_id.product   = mantis->device_id;
  	dev->input_id.version   = 1;
  	dev->driver_name        = MODULE_NAME;
  	dev->map_name           = mantis->rc_map_name ? : RC_MAP_EMPTY;
  	dev->dev.parent         = &mantis->pdev->dev;
  
  	err = rc_register_device(dev);
  	if (err) {
  		dprintk(MANTIS_ERROR, 1, "IR device registration failed, ret = %d", err);
  		goto out_dev;
  	}
  
  	mantis->rc = dev;
  	return 0;
  
  out_dev:
  	rc_free_device(dev);
  out:
  	return err;
  }
  EXPORT_SYMBOL_GPL(mantis_input_init);
  
  void mantis_input_exit(struct mantis_pci *mantis)
  {
  	rc_unregister_device(mantis->rc);
  }
  EXPORT_SYMBOL_GPL(mantis_input_exit);