1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * 4 * Copyright (C) 2005 Mike Isely <isely@pobox.com> 5 * Copyright (C) 2004 Aurelien Alleaume <slts@free.fr> 6 */ 7 8 /* 9 10 This source file is specifically designed to interface with the 11 wm8775. 12 13 */ 14 15 #include "pvrusb2-wm8775.h" 16 17 18 #include "pvrusb2-hdw-internal.h" 19 #include "pvrusb2-debug.h" 20 #include <linux/videodev2.h> 21 #include <media/v4l2-common.h> 22 #include <linux/errno.h> 23 24 void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) 25 { 26 if (hdw->input_dirty || hdw->force_dirty) { 27 u32 input; 28 29 switch (hdw->input_val) { 30 case PVR2_CVAL_INPUT_RADIO: 31 input = 1; 32 break; 33 default: 34 /* All other cases just use the second input */ 35 input = 2; 36 break; 37 } 38 pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)", 39 hdw->input_val, input); 40 41 sd->ops->audio->s_routing(sd, input, 0, 0); 42 } 43 } 44