1 /* 2 * 3 * 4 * Copyright (C) 2005 Mike Isely <isely@pobox.com> 5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 /* 23 24 This source file is specifically designed to interface with the 25 wm8775. 26 27 */ 28 29 #include "pvrusb2-wm8775.h" 30 31 32 #include "pvrusb2-hdw-internal.h" 33 #include "pvrusb2-debug.h" 34 #include <linux/videodev2.h> 35 #include <media/v4l2-common.h> 36 #include <linux/errno.h> 37 38 void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 39 { 40 if (hdw->input_dirty || hdw->force_dirty) { 41 u32 input; 42 43 switch (hdw->input_val) { 44 case PVR2_CVAL_INPUT_RADIO: 45 input = 1; 46 break; 47 default: 48 /* All other cases just use the second input */ 49 input = 2; 50 break; 51 } 52 pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)", 53 hdw->input_val, input); 54 55 sd->ops->audio->s_routing(sd, input, 0, 0); 56 } 57 } 58