forked from luck/tmp_suning_uos_patched
4d4e9bb339
The digital beep widget may have no mute control, and always enabling the beep is ofen pretty annoying, especially on laptops. This patch adds a mixer control "PC Beep Playback Switch" when there is no mixer amp mute is found, and controls it on software. Reference: Novell bnc#444572 https://bugzilla.novell.com/show_bug.cgi?id=444572 Signed-off-by: Takashi Iwai <tiwai@suse.de>
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
|
|
* Digital Beep Input Interface for HD-audio codec
|
|
*
|
|
* Author: Matthew Ranostay <mranostay@embeddedalley.com>
|
|
* Copyright (c) 2008 Embedded Alley Solutions Inc
|
|
*
|
|
* This driver is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This driver is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __SOUND_HDA_BEEP_H
|
|
#define __SOUND_HDA_BEEP_H
|
|
|
|
#include "hda_codec.h"
|
|
|
|
/* beep information */
|
|
struct hda_beep {
|
|
struct input_dev *dev;
|
|
struct hda_codec *codec;
|
|
char phys[32];
|
|
int tone;
|
|
int nid;
|
|
int enabled;
|
|
struct work_struct beep_work; /* scheduled task for beep event */
|
|
};
|
|
|
|
#ifdef CONFIG_SND_HDA_INPUT_BEEP
|
|
int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
|
|
void snd_hda_detach_beep_device(struct hda_codec *codec);
|
|
#else
|
|
#define snd_hda_attach_beep_device(...)
|
|
#define snd_hda_detach_beep_device(...)
|
|
#endif
|
|
#endif
|