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ALSA: hda - Use digital beep for AD codecs 

Use digital beep instead of analog pc-beep for AD codecs.
Create the beep mixer controls dynamically on demand.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-02-06 17:22:05 +01:00
parent a4ddeba9c8
commit c5a4bcd0ca
1 changed files with 88 additions and 52 deletions
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140
sound/pci/hda/patch_analog.c
View File

@ -27,11 +27,12 @@
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_beep.h"
struct ad198x_spec {
struct snd_kcontrol_new *mixers[5];
int num_mixers;
unsigned int beep_amp; /* beep amp value, set via set_beep_amp() */
const struct hda_verb *init_verbs[5]; /* initialization verbs
* don't forget NULL termination!
*/
@ -154,6 +155,16 @@ static const char *ad_slave_sws[] = {
static void ad198x_free_kctls(struct hda_codec *codec);
/* additional beep mixers; the actual parameters are overwritten at build */
static struct snd_kcontrol_new ad_beep_mixer[] = {
HDA_CODEC_VOLUME("Beep Playback Volume", 0, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0, 0, HDA_OUTPUT),
{ } /* end */
};
#define set_beep_amp(spec, nid, idx, dir) \
((spec)->beep_amp = HDA_COMPOSE_AMP_VAL(nid, 1, idx, dir)) /* mono */
static int ad198x_build_controls(struct hda_codec *codec)
{
struct ad198x_spec *spec = codec->spec;
@ -181,6 +192,21 @@ static int ad198x_build_controls(struct hda_codec *codec)
return err;
}
/* create beep controls if needed */
if (spec->beep_amp) {
struct snd_kcontrol_new *knew;
for (knew = ad_beep_mixer; knew->name; knew++) {
struct snd_kcontrol *kctl;
kctl = snd_ctl_new1(knew, codec);
if (!kctl)
return -ENOMEM;
kctl->private_value = spec->beep_amp;
err = snd_hda_ctl_add(codec, kctl);
if (err < 0)
return err;
}
}
/* if we have no master control, let's create it */
if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
unsigned int vmaster_tlv[4];
@ -397,7 +423,8 @@ static void ad198x_free(struct hda_codec *codec)
return;
ad198x_free_kctls(codec);
kfree(codec->spec);
kfree(spec);
snd_hda_detach_beep_device(codec);
}
static struct hda_codec_ops ad198x_patch_ops = {
@ -536,8 +563,6 @@ static struct snd_kcontrol_new ad1986a_mixers[] = {
HDA_CODEC_VOLUME("Mic Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0f, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("PC Speaker Playback Volume", 0x18, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("PC Speaker Playback Switch", 0x18, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mono Playback Volume", 0x1e, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mono Playback Switch", 0x1e, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x12, 0x0, HDA_OUTPUT),
@ -601,8 +626,7 @@ static struct snd_kcontrol_new ad1986a_laptop_mixers[] = {
HDA_CODEC_VOLUME("Mic Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0f, 0x0, HDA_OUTPUT),
/* HDA_CODEC_VOLUME("PC Speaker Playback Volume", 0x18, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("PC Speaker Playback Switch", 0x18, 0x0, HDA_OUTPUT),
/*
HDA_CODEC_VOLUME("Mono Playback Volume", 0x1e, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mono Playback Switch", 0x1e, 0x0, HDA_OUTPUT), */
HDA_CODEC_VOLUME("Capture Volume", 0x12, 0x0, HDA_OUTPUT),
@ -800,8 +824,6 @@ static struct snd_kcontrol_new ad1986a_laptop_automute_mixers[] = {
HDA_CODEC_VOLUME("Mic Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0f, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x18, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x18, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x12, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x12, 0x0, HDA_OUTPUT),
{
@ -1026,7 +1048,7 @@ static int is_jack_available(struct hda_codec *codec, hda_nid_t nid)
static int patch_ad1986a(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int board_config;
int err, board_config;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -1034,6 +1056,13 @@ static int patch_ad1986a(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x19);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x18, 0, HDA_OUTPUT);
spec->multiout.max_channels = 6;
spec->multiout.num_dacs = ARRAY_SIZE(ad1986a_dac_nids);
spec->multiout.dac_nids = ad1986a_dac_nids;
@ -1213,8 +1242,6 @@ static struct snd_kcontrol_new ad1983_mixers[] = {
HDA_CODEC_MUTE("Mic Playback Switch", 0x12, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Line Playback Volume", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Line Playback Switch", 0x13, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME_MONO("PC Speaker Playback Volume", 0x10, 1, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE_MONO("PC Speaker Playback Switch", 0x10, 1, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x0c, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x15, 0x0, HDA_OUTPUT),
@ -1285,6 +1312,7 @@ static struct hda_amp_list ad1983_loopbacks[] = {
static int patch_ad1983(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -1292,6 +1320,13 @@ static int patch_ad1983(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = ARRAY_SIZE(ad1983_dac_nids);
spec->multiout.dac_nids = ad1983_dac_nids;
@ -1361,8 +1396,6 @@ static struct snd_kcontrol_new ad1981_mixers[] = {
HDA_CODEC_MUTE("Mic Playback Switch", 0x1c, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("CD Playback Volume", 0x1d, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("CD Playback Switch", 0x1d, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME_MONO("PC Speaker Playback Volume", 0x0d, 1, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE_MONO("PC Speaker Playback Switch", 0x0d, 1, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Front Mic Boost", 0x08, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x18, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x15, 0x0, HDA_OUTPUT),
@ -1685,7 +1718,7 @@ static struct snd_pci_quirk ad1981_cfg_tbl[] = {
static int patch_ad1981(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int board_config;
int err, board_config;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -1693,6 +1726,13 @@ static int patch_ad1981(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x0d, 0, HDA_OUTPUT);
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = ARRAY_SIZE(ad1981_dac_nids);
spec->multiout.dac_nids = ad1981_dac_nids;
@ -1979,9 +2019,6 @@ static struct snd_kcontrol_new ad1988_6stack_mixers2[] = {
HDA_CODEC_VOLUME("Mic Playback Volume", 0x20, 0x4, HDA_INPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x4, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Analog Mix Playback Volume", 0x21, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Analog Mix Playback Switch", 0x21, 0x0, HDA_OUTPUT),
@ -2025,9 +2062,6 @@ static struct snd_kcontrol_new ad1988_3stack_mixers2[] = {
HDA_CODEC_VOLUME("Mic Playback Volume", 0x20, 0x4, HDA_INPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x4, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Analog Mix Playback Volume", 0x21, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Analog Mix Playback Switch", 0x21, 0x0, HDA_OUTPUT),
@ -2057,9 +2091,6 @@ static struct snd_kcontrol_new ad1988_laptop_mixers[] = {
HDA_CODEC_VOLUME("Line Playback Volume", 0x20, 0x1, HDA_INPUT),
HDA_CODEC_MUTE("Line Playback Switch", 0x20, 0x1, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Analog Mix Playback Volume", 0x21, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Analog Mix Playback Switch", 0x21, 0x0, HDA_OUTPUT),
@ -2919,7 +2950,7 @@ static struct snd_pci_quirk ad1988_cfg_tbl[] = {
static int patch_ad1988(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int board_config;
int err, board_config;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -2939,7 +2970,7 @@ static int patch_ad1988(struct hda_codec *codec)
if (board_config == AD1988_AUTO) {
/* automatic parse from the BIOS config */
int err = ad1988_parse_auto_config(codec);
err = ad1988_parse_auto_config(codec);
if (err < 0) {
ad198x_free(codec);
return err;
@ -2949,6 +2980,13 @@ static int patch_ad1988(struct hda_codec *codec)
}
}
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);
switch (board_config) {
case AD1988_6STACK:
case AD1988_6STACK_DIG:
@ -3105,12 +3143,6 @@ static struct snd_kcontrol_new ad1884_base_mixers[] = {
HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x01, HDA_INPUT),
HDA_CODEC_VOLUME("CD Playback Volume", 0x20, 0x02, HDA_INPUT),
HDA_CODEC_MUTE("CD Playback Switch", 0x20, 0x02, HDA_INPUT),
/*
HDA_CODEC_VOLUME("PC Speaker Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("PC Speaker Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Digital Beep Playback Volume", 0x10, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Digital Beep Playback Switch", 0x10, 0x0, HDA_OUTPUT),
*/
HDA_CODEC_VOLUME("Mic Boost", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Front Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
@ -3219,7 +3251,7 @@ static const char *ad1884_slave_vols[] = {
"CD Playback Volume",
"Internal Mic Playback Volume",
"Docking Mic Playback Volume"
"Beep Playback Volume",
/* "Beep Playback Volume", */
"IEC958 Playback Volume",
NULL
};
@ -3227,6 +3259,7 @@ static const char *ad1884_slave_vols[] = {
static int patch_ad1884(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int err;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -3234,6 +3267,13 @@ static int patch_ad1884(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = ARRAY_SIZE(ad1884_dac_nids);
spec->multiout.dac_nids = ad1884_dac_nids;
@ -3300,8 +3340,6 @@ static struct snd_kcontrol_new ad1984_thinkpad_mixers[] = {
HDA_CODEC_VOLUME("Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Internal Mic Boost", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Docking Mic Boost", 0x25, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x0c, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME_IDX("Capture Volume", 1, 0x0d, 0x0, HDA_OUTPUT),
@ -3358,10 +3396,6 @@ static struct snd_kcontrol_new ad1984_dell_desktop_mixers[] = {
HDA_CODEC_MUTE("Front Mic Playback Switch", 0x20, 0x00, HDA_INPUT),
HDA_CODEC_VOLUME("Line-In Playback Volume", 0x20, 0x01, HDA_INPUT),
HDA_CODEC_MUTE("Line-In Playback Switch", 0x20, 0x01, HDA_INPUT),
/*
HDA_CODEC_VOLUME("PC Speaker Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("PC Speaker Playback Switch", 0x20, 0x03, HDA_INPUT),
*/
HDA_CODEC_VOLUME("Line-In Boost", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Front Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
@ -3540,8 +3574,6 @@ static struct snd_kcontrol_new ad1884a_base_mixers[] = {
HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x04, HDA_INPUT),
HDA_CODEC_VOLUME("CD Playback Volume", 0x20, 0x02, HDA_INPUT),
HDA_CODEC_MUTE("CD Playback Switch", 0x20, 0x02, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Front Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Line Boost", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x25, 0x0, HDA_OUTPUT),
@ -3674,8 +3706,6 @@ static struct snd_kcontrol_new ad1884a_laptop_mixers[] = {
HDA_CODEC_MUTE("Internal Mic Playback Switch", 0x20, 0x01, HDA_INPUT),
HDA_CODEC_VOLUME("Dock Mic Playback Volume", 0x20, 0x04, HDA_INPUT),
HDA_CODEC_MUTE("Dock Mic Playback Switch", 0x20, 0x04, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Internal Mic Boost", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Dock Mic Boost", 0x25, 0x0, HDA_OUTPUT),
@ -3703,8 +3733,6 @@ static struct snd_kcontrol_new ad1884a_mobile_mixers[] = {
HDA_CODEC_MUTE("Master Playback Switch", 0x21, 0x0, HDA_OUTPUT),
HDA_CODEC_VOLUME("PCM Playback Volume", 0x20, 0x5, HDA_INPUT),
HDA_CODEC_MUTE("PCM Playback Switch", 0x20, 0x5, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Capture Volume", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Internal Mic Capture Volume", 0x15, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
@ -3815,8 +3843,6 @@ static struct snd_kcontrol_new ad1984a_thinkpad_mixers[] = {
HDA_CODEC_MUTE("PCM Playback Switch", 0x20, 0x5, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Playback Volume", 0x20, 0x00, HDA_INPUT),
HDA_CODEC_MUTE("Mic Playback Switch", 0x20, 0x00, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x03, HDA_INPUT),
HDA_CODEC_VOLUME("Mic Boost", 0x14, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Internal Mic Boost", 0x17, 0x0, HDA_INPUT),
HDA_CODEC_VOLUME("Capture Volume", 0x0c, 0x0, HDA_OUTPUT),
@ -3902,7 +3928,7 @@ static struct snd_pci_quirk ad1884a_cfg_tbl[] = {
static int patch_ad1884a(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int board_config;
int err, board_config;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -3910,6 +3936,13 @@ static int patch_ad1884a(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);
spec->multiout.max_channels = 2;
spec->multiout.num_dacs = ARRAY_SIZE(ad1884a_dac_nids);
spec->multiout.dac_nids = ad1884a_dac_nids;
@ -4064,8 +4097,6 @@ static struct snd_kcontrol_new ad1882_loopback_mixers[] = {
HDA_CODEC_MUTE("Line Playback Switch", 0x20, 0x04, HDA_INPUT),
HDA_CODEC_VOLUME("CD Playback Volume", 0x20, 0x06, HDA_INPUT),
HDA_CODEC_MUTE("CD Playback Switch", 0x20, 0x06, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x07, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x07, HDA_INPUT),
{ } /* end */
};
@ -4078,8 +4109,6 @@ static struct snd_kcontrol_new ad1882a_loopback_mixers[] = {
HDA_CODEC_MUTE("Line Playback Switch", 0x20, 0x01, HDA_INPUT),
HDA_CODEC_VOLUME("CD Playback Volume", 0x20, 0x06, HDA_INPUT),
HDA_CODEC_MUTE("CD Playback Switch", 0x20, 0x06, HDA_INPUT),
HDA_CODEC_VOLUME("Beep Playback Volume", 0x20, 0x07, HDA_INPUT),
HDA_CODEC_MUTE("Beep Playback Switch", 0x20, 0x07, HDA_INPUT),
HDA_CODEC_VOLUME("Digital Mic Boost", 0x1f, 0x0, HDA_INPUT),
{ } /* end */
};
@ -4238,7 +4267,7 @@ static const char *ad1882_models[AD1986A_MODELS] = {
static int patch_ad1882(struct hda_codec *codec)
{
struct ad198x_spec *spec;
int board_config;
int err, board_config;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
@ -4246,6 +4275,13 @@ static int patch_ad1882(struct hda_codec *codec)
codec->spec = spec;
err = snd_hda_attach_beep_device(codec, 0x10);
if (err < 0) {
ad198x_free(codec);
return err;
}
set_beep_amp(spec, 0x10, 0, HDA_OUTPUT);
spec->multiout.max_channels = 6;
spec->multiout.num_dacs = 3;
spec->multiout.dac_nids = ad1882_dac_nids;