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 */ 17 18 /* 19 20 This source file is specifically designed to interface with the 21 wm8775. 22 23 */ 24 25 #include "pvrusb2-wm8775.h" 26 27 28 #include "pvrusb2-hdw-internal.h" 29 #include "pvrusb2-debug.h" 30 #include <linux/videodev2.h> 31 #include <media/v4l2-common.h> 32 #include <linux/errno.h> 33 34 void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 35 { 36 if (hdw->input_dirty || hdw->force_dirty) { 37 u32 input; 38 39 switch (hdw->input_val) { 40 case PVR2_CVAL_INPUT_RADIO: 41 input = 1; 42 break; 43 default: 44 /* All other cases just use the second input */ 45 input = 2; 46 break; 47 } 48 pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)", 49 hdw->input_val, input); 50 51 sd->ops->audio->s_routing(sd, input, 0, 0); 52 } 53 } 54