44 lines
		
	
	
		
			893 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			893 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0-only
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| /*
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|  *
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|  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
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|  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
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|  */
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| 
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| /*
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| 
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|    This source file is specifically designed to interface with the
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|    wm8775.
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| 
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| */
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| 
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| #include "pvrusb2-wm8775.h"
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| 
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| 
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| #include "pvrusb2-hdw-internal.h"
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| #include "pvrusb2-debug.h"
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| #include <linux/videodev2.h>
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| #include <media/v4l2-common.h>
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| #include <linux/errno.h>
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| 
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| void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
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| {
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| 	if (hdw->input_dirty || hdw->force_dirty) {
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| 		u32 input;
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| 
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| 		switch (hdw->input_val) {
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| 		case PVR2_CVAL_INPUT_RADIO:
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| 			input = 1;
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| 			break;
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| 		default:
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| 			/* All other cases just use the second input */
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| 			input = 2;
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| 			break;
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| 		}
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| 		pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775 set_input(val=%d route=0x%x)",
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| 			   hdw->input_val, input);
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| 
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| 		sd->ops->audio->s_routing(sd, input, 0, 0);
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| 	}
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| }
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