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kernel / pub / scm / linux / kernel / git / joro / linux / refs/tags/v2.6.1-rc2 / . / sound / pci / ac97 / ac97_patch.c
blob: af81810afc6cca60d75dd3f285e6e63788ab1b9f [file] [log] [blame]
/*
* Copyright (c) by Jaroslav Kysela <perex@suse.cz>
* Universal interface for Audio Codec '97
*
* For more details look to AC '97 component specification revision 2.2
* by Intel Corporation (http://developer.intel.com) and to datasheets
* for specific codecs.
*
*
* This program 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 program 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
*
*/
#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/control.h>
#include <sound/ac97_codec.h>
#include "ac97_patch.h"
#include "ac97_id.h"
#include "ac97_local.h"
#define chip_t ac97_t
/*
* Chip specific initialization
*/
static int patch_build_controls(ac97_t * ac97, const snd_kcontrol_new_t *controls, int count)
{
int idx, err;
for (idx = 0; idx < count; idx++)
if ((err = snd_ctl_add(ac97->card, snd_ac97_cnew(&controls[idx], ac97))) < 0)
return err;
return 0;
}
/* The following snd_ac97_ymf753_... items added by David Shust (dshust@shustring.com) */
/* It is possible to indicate to the Yamaha YMF753 the type of speakers being used. */
static int snd_ac97_ymf753_info_speaker(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[3] = {
"Standard", "Small", "Smaller"
};
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 3;
if (uinfo->value.enumerated.item > 2)
uinfo->value.enumerated.item = 2;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_ymf753_get_speaker(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = ac97->regs[AC97_YMF753_3D_MODE_SEL];
val = (val >> 10) & 3;
if (val > 0) /* 0 = invalid */
val--;
ucontrol->value.enumerated.item[0] = val;
return 0;
}
static int snd_ac97_ymf753_put_speaker(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
val = (ucontrol->value.enumerated.item[0] + 1) << 10;
return snd_ac97_update(ac97, AC97_YMF753_3D_MODE_SEL, val);
}
static const snd_kcontrol_new_t snd_ac97_ymf753_controls_speaker =
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "3D Control - Speaker",
.info = snd_ac97_ymf753_info_speaker,
.get = snd_ac97_ymf753_get_speaker,
.put = snd_ac97_ymf753_put_speaker,
};
/* It is possible to indicate to the Yamaha YMF753 the source to direct to the S/PDIF output. */
static int snd_ac97_ymf753_spdif_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[2] = { "AC-Link", "A/D Converter" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 2;
if (uinfo->value.enumerated.item > 1)
uinfo->value.enumerated.item = 1;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_ymf753_spdif_source_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = ac97->regs[AC97_YMF753_DIT_CTRL2];
ucontrol->value.enumerated.item[0] = (val >> 1) & 1;
return 0;
}
static int snd_ac97_ymf753_spdif_source_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
if (ucontrol->value.enumerated.item[0] > 1)
return -EINVAL;
val = ucontrol->value.enumerated.item[0] << 1;
return snd_ac97_update_bits(ac97, AC97_YMF753_DIT_CTRL2, 0x0002, val);
}
/* The AC'97 spec states that the S/PDIF signal is to be output at pin 48.
The YMF753 will output the S/PDIF signal to pin 43, 47 (EAPD), or 48.
By default, no output pin is selected, and the S/PDIF signal is not output.
There is also a bit to mute S/PDIF output in a vendor-specific register. */
static int snd_ac97_ymf753_spdif_output_pin_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[3] = { "Disabled", "Pin 43", "Pin 48" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 3;
if (uinfo->value.enumerated.item > 2)
uinfo->value.enumerated.item = 2;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_ymf753_spdif_output_pin_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = ac97->regs[AC97_YMF753_DIT_CTRL2];
ucontrol->value.enumerated.item[0] = (val & 0x0008) ? 2 : (val & 0x0020) ? 1 : 0;
return 0;
}
static int snd_ac97_ymf753_spdif_output_pin_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
val = (ucontrol->value.enumerated.item[0] == 2) ? 0x0008 :
(ucontrol->value.enumerated.item[0] == 1) ? 0x0020 : 0;
return snd_ac97_update_bits(ac97, AC97_YMF753_DIT_CTRL2, 0x0028, val);
/* The following can be used to direct S/PDIF output to pin 47 (EAPD).
snd_ac97_write_cache(ac97, 0x62, snd_ac97_read(ac97, 0x62) | 0x0008); */
}
static const snd_kcontrol_new_t snd_ac97_ymf753_controls_spdif[3] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
.info = snd_ac97_ymf753_spdif_source_info,
.get = snd_ac97_ymf753_spdif_source_get,
.put = snd_ac97_ymf753_spdif_source_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Output Pin",
.info = snd_ac97_ymf753_spdif_output_pin_info,
.get = snd_ac97_ymf753_spdif_output_pin_get,
.put = snd_ac97_ymf753_spdif_output_pin_put,
},
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",NONE,NONE) "Mute", AC97_YMF753_DIT_CTRL2, 2, 1, 1)
};
static int patch_yamaha_ymf753_3d(ac97_t * ac97)
{
snd_kcontrol_t *kctl;
int err;
if ((err = snd_ctl_add(ac97->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
return err;
strcpy(kctl->id.name, "3D Control - Wide");
kctl->private_value = AC97_3D_CONTROL | (9 << 8) | (7 << 16);
snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
if ((err = snd_ctl_add(ac97->card, snd_ac97_cnew(&snd_ac97_ymf753_controls_speaker, ac97))) < 0)
return err;
snd_ac97_write_cache(ac97, AC97_YMF753_3D_MODE_SEL, 0x0c00);
return 0;
}
static int patch_yamaha_ymf753_post_spdif(ac97_t * ac97)
{
int err;
if ((err = patch_build_controls(ac97, snd_ac97_ymf753_controls_spdif, ARRAY_SIZE(snd_ac97_ymf753_controls_spdif))) < 0)
return err;
return 0;
}
static struct snd_ac97_build_ops patch_yamaha_ymf753_ops = {
.build_3d = patch_yamaha_ymf753_3d,
.build_post_spdif = patch_yamaha_ymf753_post_spdif
};
int patch_yamaha_ymf753(ac97_t * ac97)
{
/* Patch for Yamaha YMF753, Copyright (c) by David Shust, dshust@shustring.com.
This chip has nonstandard and extended behaviour with regard to its S/PDIF output.
The AC'97 spec states that the S/PDIF signal is to be output at pin 48.
The YMF753 will ouput the S/PDIF signal to pin 43, 47 (EAPD), or 48.
By default, no output pin is selected, and the S/PDIF signal is not output.
There is also a bit to mute S/PDIF output in a vendor-specific register.
*/
ac97->build_ops = &patch_yamaha_ymf753_ops;
ac97->caps |= AC97_BC_BASS_TREBLE;
ac97->caps |= 0x04 << 10; /* Yamaha 3D enhancement */
return 0;
}
/*
* May 2, 2003 Liam Girdwood <liam.girdwood@wolfsonmicro.com>
* removed broken wolfson00 patch.
* added support for WM9705,WM9708,WM9709,WM9710,WM9711,WM9712 and WM9717.
*/
int patch_wolfson03(ac97_t * ac97)
{
/* This is known to work for the ViewSonic ViewPad 1000
Randolph Bentson <bentson@holmsjoen.com> */
// WM9703/9707/9708/9717
snd_ac97_write_cache(ac97, AC97_WM97XX_FMIXER_VOL, 0x0808);
snd_ac97_write_cache(ac97, AC97_GENERAL_PURPOSE, 0x8000);
return 0;
}
int patch_wolfson04(ac97_t * ac97)
{
// WM9704M/9704Q
// set front and rear mixer volume
snd_ac97_write_cache(ac97, AC97_WM97XX_FMIXER_VOL, 0x0808);
snd_ac97_write_cache(ac97, AC97_WM9704_RMIXER_VOL, 0x0808);
// patch for DVD noise
snd_ac97_write_cache(ac97, AC97_WM9704_TEST, 0x0200);
// init vol
snd_ac97_write_cache(ac97, AC97_WM9704_RPCM_VOL, 0x0808);
// set rear surround volume
snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
return 0;
}
int patch_wolfson05(ac97_t * ac97)
{
// WM9705, WM9710
// set front mixer volume
snd_ac97_write_cache(ac97, AC97_WM97XX_FMIXER_VOL, 0x0808);
return 0;
}
int patch_wolfson11(ac97_t * ac97)
{
// WM9711, WM9712
// set out3 volume
snd_ac97_write_cache(ac97, AC97_WM9711_OUT3VOL, 0x0808);
return 0;
}
int patch_tritech_tr28028(ac97_t * ac97)
{
snd_ac97_write_cache(ac97, 0x26, 0x0300);
snd_ac97_write_cache(ac97, 0x26, 0x0000);
snd_ac97_write_cache(ac97, AC97_SURROUND_MASTER, 0x0000);
snd_ac97_write_cache(ac97, AC97_SPDIF, 0x0000);
return 0;
}
static int patch_sigmatel_stac9700_3d(ac97_t * ac97)
{
snd_kcontrol_t *kctl;
int err;
if ((err = snd_ctl_add(ac97->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
return err;
strcpy(kctl->id.name, "3D Control Sigmatel - Depth");
kctl->private_value = AC97_3D_CONTROL | (3 << 16);
snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
return 0;
}
static int patch_sigmatel_stac9708_3d(ac97_t * ac97)
{
snd_kcontrol_t *kctl;
int err;
if ((err = snd_ctl_add(ac97->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
return err;
strcpy(kctl->id.name, "3D Control Sigmatel - Depth");
kctl->private_value = AC97_3D_CONTROL | (3 << 16);
if ((err = snd_ctl_add(ac97->card, kctl = snd_ac97_cnew(&snd_ac97_controls_3d[0], ac97))) < 0)
return err;
strcpy(kctl->id.name, "3D Control Sigmatel - Rear Depth");
kctl->private_value = AC97_3D_CONTROL | (2 << 8) | (3 << 16);
snd_ac97_write_cache(ac97, AC97_3D_CONTROL, 0x0000);
return 0;
}
static const snd_kcontrol_new_t snd_ac97_sigmatel_4speaker =
AC97_SINGLE("Sigmatel 4-Speaker Stereo Playback Switch", AC97_SIGMATEL_DAC2INVERT, 2, 1, 0);
static const snd_kcontrol_new_t snd_ac97_sigmatel_phaseinvert =
AC97_SINGLE("Sigmatel Surround Phase Inversion Playback Switch", AC97_SIGMATEL_DAC2INVERT, 3, 1, 0);
static const snd_kcontrol_new_t snd_ac97_sigmatel_controls[] = {
AC97_SINGLE("Sigmatel DAC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 1, 1, 0),
AC97_SINGLE("Sigmatel ADC 6dB Attenuate", AC97_SIGMATEL_ANALOG, 0, 1, 0)
};
static int patch_sigmatel_stac97xx_specific(ac97_t * ac97)
{
int err;
snd_ac97_write_cache(ac97, AC97_SIGMATEL_ANALOG, snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) & ~0x0003);
if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_ANALOG, 1))
if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_controls[0], 1)) < 0)
return err;
if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_ANALOG, 0))
if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_controls[1], 1)) < 0)
return err;
if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 2))
if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_4speaker, 1)) < 0)
return err;
if (snd_ac97_try_bit(ac97, AC97_SIGMATEL_DAC2INVERT, 3))
if ((err = patch_build_controls(ac97, &snd_ac97_sigmatel_phaseinvert, 1)) < 0)
return err;
return 0;
}
static struct snd_ac97_build_ops patch_sigmatel_stac9700_ops = {
.build_3d = patch_sigmatel_stac9700_3d,
.build_specific = patch_sigmatel_stac97xx_specific
};
static struct snd_ac97_build_ops patch_sigmatel_stac9708_ops = {
.build_3d = patch_sigmatel_stac9708_3d,
.build_specific = patch_sigmatel_stac97xx_specific
};
int patch_sigmatel_stac9700(ac97_t * ac97)
{
ac97->build_ops = &patch_sigmatel_stac9700_ops;
return 0;
}
int patch_sigmatel_stac9708(ac97_t * ac97)
{
unsigned int codec72, codec6c;
ac97->build_ops = &patch_sigmatel_stac9708_ops;
codec72 = snd_ac97_read(ac97, AC97_SIGMATEL_BIAS2) & 0x8000;
codec6c = snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG);
if ((codec72==0) && (codec6c==0)) {
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1000);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0007);
} else if ((codec72==0x8000) && (codec6c==0)) {
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x1001);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_DAC2INVERT, 0x0008);
} else if ((codec72==0x8000) && (codec6c==0x0080)) {
/* nothing */
}
snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
return 0;
}
int patch_sigmatel_stac9721(ac97_t * ac97)
{
ac97->build_ops = &patch_sigmatel_stac9700_ops;
if (snd_ac97_read(ac97, AC97_SIGMATEL_ANALOG) == 0) {
// patch for SigmaTel
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x4000);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
}
snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
return 0;
}
int patch_sigmatel_stac9744(ac97_t * ac97)
{
// patch for SigmaTel
ac97->build_ops = &patch_sigmatel_stac9700_ops;
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000); /* is this correct? --jk */
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
return 0;
}
int patch_sigmatel_stac9756(ac97_t * ac97)
{
// patch for SigmaTel
ac97->build_ops = &patch_sigmatel_stac9700_ops;
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_CIC2, 0x0000); /* is this correct? --jk */
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS1, 0xabba);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_BIAS2, 0x0002);
snd_ac97_write_cache(ac97, AC97_SIGMATEL_MULTICHN, 0x0000);
return 0;
}
static const snd_kcontrol_new_t snd_ac97_cirrus_controls_spdif[2] = {
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), AC97_CSR_SPDIF, 15, 1, 0),
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "AC97-SPSA", AC97_CSR_ACMODE, 0, 3, 0)
};
static int patch_cirrus_build_spdif(ac97_t * ac97)
{
int err;
if ((err = patch_build_controls(ac97, &snd_ac97_controls_spdif[0], 3)) < 0)
return err;
if ((err = patch_build_controls(ac97, &snd_ac97_cirrus_controls_spdif[0], 1)) < 0)
return err;
switch (ac97->id & AC97_ID_CS_MASK) {
case AC97_ID_CS4205:
if ((err = patch_build_controls(ac97, &snd_ac97_cirrus_controls_spdif[1], 1)) < 0)
return err;
break;
}
/* set default PCM S/PDIF params */
/* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
snd_ac97_write_cache(ac97, AC97_CSR_SPDIF, 0x0a20);
return 0;
}
static struct snd_ac97_build_ops patch_cirrus_ops = {
.build_spdif = patch_cirrus_build_spdif
};
int patch_cirrus_spdif(ac97_t * ac97)
{
/* Basically, the cs4201/cs4205/cs4297a has non-standard sp/dif registers.
WHY CAN'T ANYONE FOLLOW THE BLOODY SPEC? *sigh*
- sp/dif EA ID is not set, but sp/dif is always present.
- enable/disable is spdif register bit 15.
- sp/dif control register is 0x68. differs from AC97:
- valid is bit 14 (vs 15)
- no DRS
- only 44.1/48k [00 = 48, 01=44,1] (AC97 is 00=44.1, 10=48)
- sp/dif ssource select is in 0x5e bits 0,1.
*/
ac97->build_ops = &patch_cirrus_ops;
ac97->flags |= AC97_CS_SPDIF;
ac97->rates[AC97_RATES_SPDIF] &= ~SNDRV_PCM_RATE_32000;
ac97->ext_id |= AC97_EI_SPDIF; /* force the detection of spdif */
snd_ac97_write_cache(ac97, AC97_CSR_ACMODE, 0x0080);
return 0;
}
int patch_cirrus_cs4299(ac97_t * ac97)
{
/* force the detection of PC Beep */
ac97->flags |= AC97_HAS_PC_BEEP;
return patch_cirrus_spdif(ac97);
}
static const snd_kcontrol_new_t snd_ac97_conexant_controls_spdif[1] = {
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), AC97_CXR_AUDIO_MISC, 3, 1, 0),
};
static int patch_conexant_build_spdif(ac97_t * ac97)
{
int err;
if ((err = patch_build_controls(ac97, &snd_ac97_controls_spdif[0], 3)) < 0)
return err;
if ((err = patch_build_controls(ac97, &snd_ac97_conexant_controls_spdif[0], 1)) < 0)
return err;
/* set default PCM S/PDIF params */
/* consumer,PCM audio,no copyright,no preemphasis,PCM coder,original,48000Hz */
snd_ac97_write_cache(ac97, AC97_CXR_AUDIO_MISC,
snd_ac97_read(ac97, AC97_CXR_AUDIO_MISC) & ~(AC97_CXR_SPDIFEN|AC97_CXR_COPYRGT|AC97_CXR_SPDIF_MASK));
return 0;
}
static struct snd_ac97_build_ops patch_conexant_ops = {
.build_spdif = patch_conexant_build_spdif
};
int patch_conexant(ac97_t * ac97)
{
ac97->build_ops = &patch_conexant_ops;
ac97->flags |= AC97_CX_SPDIF;
ac97->ext_id |= AC97_EI_SPDIF; /* force the detection of spdif */
return 0;
}
int patch_ad1819(ac97_t * ac97)
{
// patch for Analog Devices
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000); /* select all codecs */
return 0;
}
static unsigned short patch_ad1881_unchained(ac97_t * ac97, int idx, unsigned short mask)
{
unsigned short val;
// test for unchained codec
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, mask);
snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000); /* ID0C, ID1C, SDIE = off */
val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
if ((val & 0xff40) != 0x5340)
return 0;
ac97->spec.ad18xx.unchained[idx] = mask;
ac97->spec.ad18xx.id[idx] = val;
ac97->spec.ad18xx.codec_cfg[idx] = 0x0000;
return mask;
}
static int patch_ad1881_chained1(ac97_t * ac97, int idx, unsigned short codec_bits)
{
static int cfg_bits[3] = { 1<<12, 1<<14, 1<<13 };
unsigned short val;
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, cfg_bits[idx]);
snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0004); // SDIE
val = snd_ac97_read(ac97, AC97_VENDOR_ID2);
if ((val & 0xff40) != 0x5340)
return 0;
if (codec_bits)
snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, codec_bits);
ac97->spec.ad18xx.chained[idx] = cfg_bits[idx];
ac97->spec.ad18xx.id[idx] = val;
ac97->spec.ad18xx.codec_cfg[idx] = codec_bits ? codec_bits : 0x0004;
return 1;
}
static void patch_ad1881_chained(ac97_t * ac97, int unchained_idx, int cidx1, int cidx2)
{
// already detected?
if (ac97->spec.ad18xx.unchained[cidx1] || ac97->spec.ad18xx.chained[cidx1])
cidx1 = -1;
if (ac97->spec.ad18xx.unchained[cidx2] || ac97->spec.ad18xx.chained[cidx2])
cidx2 = -1;
if (cidx1 < 0 && cidx2 < 0)
return;
// test for chained codecs
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, ac97->spec.ad18xx.unchained[unchained_idx]);
snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0002); // ID1C
ac97->spec.ad18xx.codec_cfg[unchained_idx] = 0x0002;
if (cidx1 >= 0) {
if (patch_ad1881_chained1(ac97, cidx1, 0x0006)) // SDIE | ID1C
patch_ad1881_chained1(ac97, cidx2, 0);
else if (patch_ad1881_chained1(ac97, cidx2, 0x0006)) // SDIE | ID1C
patch_ad1881_chained1(ac97, cidx1, 0);
} else if (cidx2 >= 0) {
patch_ad1881_chained1(ac97, cidx2, 0);
}
}
int patch_ad1881(ac97_t * ac97)
{
static const char cfg_idxs[3][2] = {
{2, 1},
{0, 2},
{0, 1}
};
// patch for Analog Devices
unsigned short codecs[3];
int idx, num;
init_MUTEX(&ac97->spec.ad18xx.mutex);
codecs[0] = patch_ad1881_unchained(ac97, 0, (1<<12));
codecs[1] = patch_ad1881_unchained(ac97, 1, (1<<14));
codecs[2] = patch_ad1881_unchained(ac97, 2, (1<<13));
snd_runtime_check(codecs[0] | codecs[1] | codecs[2], goto __end);
for (idx = 0; idx < 3; idx++)
if (ac97->spec.ad18xx.unchained[idx])
patch_ad1881_chained(ac97, idx, cfg_idxs[idx][0], cfg_idxs[idx][1]);
if (ac97->spec.ad18xx.id[1]) {
ac97->flags |= AC97_AD_MULTI;
ac97->scaps |= AC97_SCAP_SURROUND_DAC;
}
if (ac97->spec.ad18xx.id[2]) {
ac97->flags |= AC97_AD_MULTI;
ac97->scaps |= AC97_SCAP_CENTER_LFE_DAC;
}
__end:
/* select all codecs */
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, 0x7000);
/* check if only one codec is present */
for (idx = num = 0; idx < 3; idx++)
if (ac97->spec.ad18xx.id[idx])
num++;
if (num == 1) {
/* ok, deselect all ID bits */
snd_ac97_write_cache(ac97, AC97_AD_CODEC_CFG, 0x0000);
ac97->spec.ad18xx.codec_cfg[0] =
ac97->spec.ad18xx.codec_cfg[1] =
ac97->spec.ad18xx.codec_cfg[2] = 0x0000;
}
/* required for AD1886/AD1885 combination */
ac97->ext_id = snd_ac97_read(ac97, AC97_EXTENDED_ID);
if (ac97->spec.ad18xx.id[0]) {
ac97->id &= 0xffff0000;
ac97->id |= ac97->spec.ad18xx.id[0];
}
return 0;
}
static const snd_kcontrol_new_t snd_ac97_controls_ad1885[] = {
AC97_SINGLE("Digital Mono Direct", AC97_AD_MISC, 11, 1, 0),
AC97_SINGLE("Digital Audio Mode", AC97_AD_MISC, 12, 1, 0),
AC97_SINGLE("Low Power Mixer", AC97_AD_MISC, 14, 1, 0),
AC97_SINGLE("Zero Fill DAC", AC97_AD_MISC, 15, 1, 0),
};
static int patch_ad1885_specific(ac97_t * ac97)
{
int err;
if ((err = patch_build_controls(ac97, snd_ac97_controls_ad1885, ARRAY_SIZE(snd_ac97_controls_ad1885))) < 0)
return err;
return 0;
}
static struct snd_ac97_build_ops patch_ad1885_build_ops = {
.build_specific = &patch_ad1885_specific
};
int patch_ad1885(ac97_t * ac97)
{
unsigned short jack;
patch_ad1881(ac97);
/* This is required to deal with the Intel D815EEAL2 */
/* i.e. Line out is actually headphone out from codec */
/* turn off jack sense bits D8 & D9 */
jack = snd_ac97_read(ac97, AC97_AD_JACK_SPDIF);
snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, jack | 0x0300);
ac97->build_ops = &patch_ad1885_build_ops;
return 0;
}
int patch_ad1886(ac97_t * ac97)
{
patch_ad1881(ac97);
/* Presario700 workaround */
/* for Jack Sense/SPDIF Register misetting causing */
snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
return 0;
}
/* MISC bits */
#define AC97_AD198X_MBC 0x0003 /* mic boost */
#define AC97_AD198X_MBC_20 0x0000 /* +20dB */
#define AC97_AD198X_MBC_10 0x0001 /* +10dB */
#define AC97_AD198X_MBC_30 0x0002 /* +30dB */
#define AC97_AD198X_VREFD 0x0004 /* VREF high-Z */
#define AC97_AD198X_VREFH 0x0008 /* 2.25V, 3.7V */
#define AC97_AD198X_VREF_0 0x000c /* 0V */
#define AC97_AD198X_SRU 0x0010 /* sample rate unlock */
#define AC97_AD198X_LOSEL 0x0020 /* LINE_OUT amplifiers input select */
#define AC97_AD198X_2MIC 0x0040 /* 2-channel mic select */
#define AC97_AD198X_SPRD 0x0080 /* SPREAD enable */
#define AC97_AD198X_DMIX0 0x0100 /* downmix mode: 0 = 6-to-4, 1 = 6-to-2 downmix */
#define AC97_AD198X_DMIX1 0x0300 /* downmix mode: 1 = enabled */
#define AC97_AD198X_HPSEL 0x0400 /* headphone amplifier input select */
#define AC97_AD198X_CLDIS 0x0800 /* center/lfe disable */
#define AC97_AD198X_LODIS 0x1000 /* LINE_OUT disable */
#define AC97_AD198X_MSPLT 0x2000 /* mute split */
#define AC97_AD198X_AC97NC 0x4000 /* AC97 no compatible mode */
#define AC97_AD198X_DACZ 0x8000 /* DAC zero-fill mode */
static int snd_ac97_ad1980_spdif_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[2] = { "AC-Link", "A/D Converter" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 2;
if (uinfo->value.enumerated.item > 1)
uinfo->value.enumerated.item = 1;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_ad1980_spdif_source_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = ac97->regs[AC97_AD_SERIAL_CFG];
ucontrol->value.enumerated.item[0] = (val >> 2) & 1;
return 0;
}
static int snd_ac97_ad1980_spdif_source_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
if (ucontrol->value.enumerated.item[0] > 1)
return -EINVAL;
val = ucontrol->value.enumerated.item[0] << 2;
return snd_ac97_update_bits(ac97, AC97_AD_SERIAL_CFG, 0x0004, val);
}
static const snd_kcontrol_new_t snd_ac97_ad1980_spdif_source = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
.info = snd_ac97_ad1980_spdif_source_info,
.get = snd_ac97_ad1980_spdif_source_get,
.put = snd_ac97_ad1980_spdif_source_put,
};
static int patch_ad1980_post_spdif(ac97_t * ac97)
{
return patch_build_controls(ac97, &snd_ac97_ad1980_spdif_source, 1);
}
static struct snd_ac97_build_ops patch_ad1980_build_ops = {
.build_post_spdif = &patch_ad1980_post_spdif
};
int patch_ad1980(ac97_t * ac97)
{
unsigned short misc;
patch_ad1881(ac97);
ac97->build_ops = &patch_ad1980_build_ops;
/* Switch FRONT/SURROUND LINE-OUT/HP-OUT default connection */
/* it seems that most vendors connect line-out connector to headphone out of AC'97 */
/* Stereo mutes enabled */
misc = snd_ac97_read(ac97, AC97_AD_MISC);
snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
AC97_AD198X_LOSEL |
AC97_AD198X_HPSEL |
AC97_AD198X_MSPLT);
ac97->flags |= AC97_STEREO_MUTES;
return 0;
}
int patch_ad1985(ac97_t * ac97)
{
unsigned short misc;
patch_ad1881(ac97);
ac97->build_ops = &patch_ad1980_build_ops;
misc = snd_ac97_read(ac97, AC97_AD_MISC);
/* switch front/surround line-out/hp-out */
/* center/LFE, surround in High-Z mode */
/* AD-compatible mode */
/* Stereo mutes enabled */
snd_ac97_write_cache(ac97, AC97_AD_MISC, misc |
AC97_AD198X_VREFD |
AC97_AD198X_LOSEL |
AC97_AD198X_HPSEL |
AC97_AD198X_CLDIS |
AC97_AD198X_LODIS |
AC97_AD198X_MSPLT |
AC97_AD198X_AC97NC);
ac97->flags |= AC97_STEREO_MUTES;
return 0;
}
static const snd_kcontrol_new_t snd_ac97_controls_alc650[] = {
AC97_SINGLE("Duplicate Front", AC97_ALC650_MULTICH, 0, 1, 0),
AC97_SINGLE("Surround Down Mix", AC97_ALC650_MULTICH, 1, 1, 0),
AC97_SINGLE("Center/LFE Down Mix", AC97_ALC650_MULTICH, 2, 1, 0),
AC97_SINGLE("Exchange Center/LFE", AC97_ALC650_MULTICH, 3, 1, 0),
/* 4: Analog Input To Surround */
/* 5: Analog Input To Center/LFE */
/* 6: Independent Master Volume Right */
/* 7: Independent Master Volume Left */
/* 8: reserved */
AC97_SINGLE("Line-In As Surround", AC97_ALC650_MULTICH, 9, 1, 0),
AC97_SINGLE("Swap Surround Slot", AC97_ALC650_MULTICH, 14, 1, 0),
#if 0 /* always set in patch_alc650 */
AC97_SINGLE("IEC958 Input Clock Enable", AC97_ALC650_CLOCK, 0, 1, 0),
AC97_SINGLE("IEC958 Input Pin Enable", AC97_ALC650_CLOCK, 1, 1, 0),
AC97_SINGLE("Surround DAC Switch", AC97_ALC650_SURR_DAC_VOL, 15, 1, 1),
AC97_DOUBLE("Surround DAC Volume", AC97_ALC650_SURR_DAC_VOL, 8, 0, 31, 1),
AC97_SINGLE("Center/LFE DAC Switch", AC97_ALC650_LFE_DAC_VOL, 15, 1, 1),
AC97_DOUBLE("Center/LFE DAC Volume", AC97_ALC650_LFE_DAC_VOL, 8, 0, 31, 1),
#endif
};
static const snd_kcontrol_new_t snd_ac97_control_alc650_mic =
AC97_SINGLE("Mic As Center/LFE", AC97_ALC650_MULTICH, 10, 1, 0);
static int snd_ac97_alc650_mic_gpio_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
ucontrol->value.integer.value[0] = (ac97->regs[AC97_ALC650_MULTICH] >> 10) & 1;
return 0;
}
static int snd_ac97_alc650_mic_gpio_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
int change;
change = snd_ac97_update_bits(ac97, AC97_ALC650_MULTICH, 1 << 10,
ucontrol->value.integer.value[0] ? (1 << 10) : 0);
if (change) {
/* GPIO0 write for mic */
snd_ac97_update_bits(ac97, 0x76, 0x01,
ucontrol->value.integer.value[0] ? 0 : 0x01);
/* GPIO0 high for mic */
snd_ac97_update_bits(ac97, 0x78, 0x100,
ucontrol->value.integer.value[0] ? 0 : 0x100);
}
return change;
}
static const snd_kcontrol_new_t snd_ac97_control_alc650_mic_gpio = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic As Center/LFE",
.info = snd_ac97_info_single,
.get = snd_ac97_alc650_mic_gpio_get,
.put = snd_ac97_alc650_mic_gpio_put,
.private_value = (1 << 16), /* for info */
};
static const snd_kcontrol_new_t snd_ac97_spdif_controls_alc650[] = {
AC97_SINGLE("IEC958 Capture Switch", AC97_ALC650_MULTICH, 11, 1, 0),
AC97_SINGLE("Analog to IEC958 Output", AC97_ALC650_MULTICH, 12, 1, 0),
AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0),
};
static int patch_alc650_specific(ac97_t * ac97)
{
int err;
if ((err = patch_build_controls(ac97, snd_ac97_controls_alc650, ARRAY_SIZE(snd_ac97_controls_alc650))) < 0)
return err;
if ((err = patch_build_controls(ac97,
ac97->spec.dev_flags ?
&snd_ac97_control_alc650_mic :
&snd_ac97_control_alc650_mic_gpio, 1)) < 0)
return err;
if (ac97->ext_id & AC97_EI_SPDIF) {
if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc650, ARRAY_SIZE(snd_ac97_spdif_controls_alc650))) < 0)
return err;
}
return 0;
}
static struct snd_ac97_build_ops patch_alc650_ops = {
.build_specific = patch_alc650_specific
};
int patch_alc650(ac97_t * ac97)
{
unsigned short val;
int spdif = 0;
ac97->build_ops = &patch_alc650_ops;
/* revision E or F */
/* FIXME: what about revision D ? */
ac97->spec.dev_flags = (ac97->id == 0x414c4722 ||
ac97->id == 0x414c4723);
/* check spdif (should be only on rev.E) */
if (ac97->spec.dev_flags) {
val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
if (val & AC97_EA_SPCV)
spdif = 1;
}
if (spdif) {
/* enable AC97_ALC650_GPIO_SETUP, AC97_ALC650_CLOCK for R/W */
snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS,
snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x8000);
/* enable spdif in */
snd_ac97_write_cache(ac97, AC97_ALC650_CLOCK,
snd_ac97_read(ac97, AC97_ALC650_CLOCK) | 0x03);
} else
ac97->ext_id &= ~AC97_EI_SPDIF; /* disable extended-id */
val = snd_ac97_read(ac97, AC97_ALC650_MULTICH);
val &= ~0xc000; /* slot: 3,4,7,8,6,9 */
snd_ac97_write_cache(ac97, AC97_ALC650_MULTICH, val);
if (! ac97->spec.dev_flags) {
/* set GPIO */
int mic_off;
mic_off = snd_ac97_read(ac97, AC97_ALC650_MULTICH) & (1 << 10);
/* GPIO0 direction */
val = snd_ac97_read(ac97, AC97_ALC650_GPIO_SETUP);
if (mic_off)
val &= ~0x01;
else
val |= 0x01;
snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_SETUP, val);
val = snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS);
if (mic_off)
val &= ~0x100;
else
val = val | 0x100;
snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS, val);
}
/* full DAC volume */
snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808);
snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808);
return 0;
}
static const snd_kcontrol_new_t snd_ac97_cm9738_controls[] = {
AC97_SINGLE("Line-In As Surround", AC97_CM9738_VENDOR_CTRL, 10, 1, 0),
AC97_SINGLE("Duplicate Front", AC97_CM9738_VENDOR_CTRL, 13, 1, 0),
};
static int patch_cm9738_specific(ac97_t * ac97)
{
return patch_build_controls(ac97, snd_ac97_cm9738_controls, ARRAY_SIZE(snd_ac97_cm9738_controls));
}
static struct snd_ac97_build_ops patch_cm9738_ops = {
.build_specific = patch_cm9738_specific
};
int patch_cm9738(ac97_t * ac97)
{
ac97->build_ops = &patch_cm9738_ops;
return 0;
}
static int snd_ac97_cmedia_spdif_playback_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
{
static char *texts[] = { "Analog", "Digital" };
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
uinfo->count = 1;
uinfo->value.enumerated.items = 2;
if (uinfo->value.enumerated.item > 1)
uinfo->value.enumerated.item = 1;
strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
return 0;
}
static int snd_ac97_cmedia_spdif_playback_source_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
unsigned short val;
val = ac97->regs[AC97_CM9739_SPDIF_CTRL];
ucontrol->value.enumerated.item[0] = (val >> 1) & 0x01;
return 0;
}
static int snd_ac97_cmedia_spdif_playback_source_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
{
ac97_t *ac97 = snd_kcontrol_chip(kcontrol);
return snd_ac97_update_bits(ac97, AC97_CM9739_SPDIF_CTRL,
0x01 << 1,
(ucontrol->value.enumerated.item[0] & 0x01) << 1);
}
static const snd_kcontrol_new_t snd_ac97_cm9739_controls_spdif[] = {
/* BIT 0: SPDI_EN - always true */
{ /* BIT 1: SPDIFS */
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,NONE) "Source",
.info = snd_ac97_cmedia_spdif_playback_source_info,
.get = snd_ac97_cmedia_spdif_playback_source_get,
.put = snd_ac97_cmedia_spdif_playback_source_put,
},
/* BIT 2: IG_SPIV */
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Valid Switch", AC97_CM9739_SPDIF_CTRL, 2, 1, 0),
/* BIT 3: SPI2F */
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,NONE) "Monitor", AC97_CM9739_SPDIF_CTRL, 3, 1, 0),
/* BIT 4: SPI2SDI */
AC97_SINGLE(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), AC97_CM9739_SPDIF_CTRL, 4, 1, 0),
/* BIT 8: SPD32 - 32bit SPDIF - not supported yet */
};
static const snd_kcontrol_new_t snd_ac97_cm9739_controls[] = {
AC97_SINGLE("Line-In As Surround", AC97_CM9739_MULTI_CHAN, 10, 1, 0),
};
static int patch_cm9739_specific(ac97_t * ac97)
{
return patch_build_controls(ac97, snd_ac97_cm9739_controls, ARRAY_SIZE(snd_ac97_cm9739_controls));
}
static int patch_cm9739_post_spdif(ac97_t * ac97)
{
return patch_build_controls(ac97, snd_ac97_cm9739_controls_spdif, ARRAY_SIZE(snd_ac97_cm9739_controls_spdif));
}
static struct snd_ac97_build_ops patch_cm9739_ops = {
.build_specific = patch_cm9739_specific,
.build_post_spdif = patch_cm9739_post_spdif
};
int patch_cm9739(ac97_t * ac97)
{
unsigned short val;
ac97->build_ops = &patch_cm9739_ops;
/* check spdif */
val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
if (val & AC97_EA_SPCV) {
/* enable spdif in */
snd_ac97_write_cache(ac97, AC97_CM9739_SPDIF_CTRL,
snd_ac97_read(ac97, AC97_CM9739_SPDIF_CTRL) | 0x01);
} else {
ac97->ext_id &= ~AC97_EI_SPDIF; /* disable extended-id */
}
/* set-up multi channel */
/* bit 13: enable internal vref output for mic */
/* bit 12: enable center/lfe */
/* bit 14: 0 = SPDIF, 1 = EAPD */
snd_ac97_write_cache(ac97, AC97_CM9739_MULTI_CHAN, 0x3000);
/* FIXME: set up GPIO */
snd_ac97_write_cache(ac97, 0x70, 0x0100);
snd_ac97_write_cache(ac97, 0x72, 0x0020);
return 0;
}
static const snd_kcontrol_new_t snd_ac97_controls_vt1616[] = {
AC97_SINGLE("DC Offset removal", 0x5a, 10, 1, 0),
AC97_SINGLE("Alternate Level to Surround Out", 0x5a, 15, 1, 0),
AC97_SINGLE("Downmix LFE and Center to Front", 0x5a, 12, 1, 0),
AC97_SINGLE("Downmix Surround to Front", 0x5a, 11, 1, 0),
};
static int patch_vt1616_specific(ac97_t * ac97)
{
int err;
if (snd_ac97_try_bit(ac97, 0x5a, 9))
if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[0], 1)) < 0)
return err;
if ((err = patch_build_controls(ac97, &snd_ac97_controls_vt1616[1], ARRAY_SIZE(snd_ac97_controls_vt1616) - 1)) < 0)
return err;
return 0;
}
static struct snd_ac97_build_ops patch_vt1616_ops = {
.build_specific = patch_vt1616_specific
};
int patch_vt1616(ac97_t * ac97)
{
ac97->build_ops = &patch_vt1616_ops;
return 0;
}