text: /*
   *
   *
   *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
   *
   *  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
   *
   *  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 "pvrusb2-audio.h"
  #include "pvrusb2-hdw-internal.h"
  #include "pvrusb2-debug.h"
  #include <linux/videodev2.h>
  #include <media/drv-intf/msp3400.h>
  #include <media/v4l2-common.h>
  
  
  struct routing_scheme {
  	const int *def;
  	unsigned int cnt;
  };
  
  static const int routing_scheme0[] = {
  	[PVR2_CVAL_INPUT_TV]        = MSP_INPUT_DEFAULT,
  	[PVR2_CVAL_INPUT_RADIO]     = MSP_INPUT(MSP_IN_SCART2,
  						MSP_IN_TUNER1,
  						MSP_DSP_IN_SCART,
  						MSP_DSP_IN_SCART),
  	[PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
  						MSP_IN_TUNER1,
  						MSP_DSP_IN_SCART,
  						MSP_DSP_IN_SCART),
  	[PVR2_CVAL_INPUT_SVIDEO]    = MSP_INPUT(MSP_IN_SCART1,
  						MSP_IN_TUNER1,
  						MSP_DSP_IN_SCART,
  						MSP_DSP_IN_SCART),
  };
  
  static const struct routing_scheme routing_def0 = {
  	.def = routing_scheme0,
  	.cnt = ARRAY_SIZE(routing_scheme0),
  };
  
  static const struct routing_scheme *routing_schemes[] = {
  	[PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
  };
  
  void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
  {
  	if (hdw->input_dirty || hdw->force_dirty) {
  		const struct routing_scheme *sp;
  		unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
  		u32 input;
  
  		pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
  		sp = (sid < ARRAY_SIZE(routing_schemes)) ?
  			routing_schemes[sid] : NULL;
  
  		if ((sp != NULL) &&
  		    (hdw->input_val >= 0) &&
  		    (hdw->input_val < sp->cnt)) {
  			input = sp->def[hdw->input_val];
  		} else {
  			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
  				   "*** WARNING *** subdev msp3400 set_input: Invalid routing scheme (%u) and/or input (%d)",
  				   sid, hdw->input_val);
  			return;
  		}
  		sd->ops->audio->s_routing(sd, input,
  			MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
  	}
  }
  