cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pvrusb2-wm8775.c (893B)


      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
     24void 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}