linux/sound/hda/codecs/realtek/alc880.c
Takashi Iwai e1d695b45f ALSA: hda/realtek: Rewrite to new probe method
Convert the Realtek codec drivers to use the new hda_codec_ops probe.
No functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250709160434.1859-12-tiwai@suse.de
2025-07-11 09:55:37 +02:00

509 lines
15 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
//
// Realtek ALC880 codec
//
#include <linux/init.h>
#include <linux/module.h>
#include "realtek.h"
static void alc880_unsol_event(struct hda_codec *codec, unsigned int res)
{
/* For some reason, the res given from ALC880 is broken.
Here we adjust it properly. */
snd_hda_jack_unsol_event(codec, res >> 2);
}
static int alc880_parse_auto_config(struct hda_codec *codec)
{
static const hda_nid_t alc880_ignore[] = { 0x1d, 0 };
static const hda_nid_t alc880_ssids[] = { 0x15, 0x1b, 0x14, 0 };
return alc_parse_auto_config(codec, alc880_ignore, alc880_ssids);
}
/*
* ALC880 fix-ups
*/
enum {
ALC880_FIXUP_GPIO1,
ALC880_FIXUP_GPIO2,
ALC880_FIXUP_MEDION_RIM,
ALC880_FIXUP_LG,
ALC880_FIXUP_LG_LW25,
ALC880_FIXUP_W810,
ALC880_FIXUP_EAPD_COEF,
ALC880_FIXUP_TCL_S700,
ALC880_FIXUP_VOL_KNOB,
ALC880_FIXUP_FUJITSU,
ALC880_FIXUP_F1734,
ALC880_FIXUP_UNIWILL,
ALC880_FIXUP_UNIWILL_DIG,
ALC880_FIXUP_Z71V,
ALC880_FIXUP_ASUS_W5A,
ALC880_FIXUP_3ST_BASE,
ALC880_FIXUP_3ST,
ALC880_FIXUP_3ST_DIG,
ALC880_FIXUP_5ST_BASE,
ALC880_FIXUP_5ST,
ALC880_FIXUP_5ST_DIG,
ALC880_FIXUP_6ST_BASE,
ALC880_FIXUP_6ST,
ALC880_FIXUP_6ST_DIG,
ALC880_FIXUP_6ST_AUTOMUTE,
};
/* enable the volume-knob widget support on NID 0x21 */
static void alc880_fixup_vol_knob(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
if (action == HDA_FIXUP_ACT_PROBE)
snd_hda_jack_detect_enable_callback(codec, 0x21,
alc_update_knob_master);
}
static const struct hda_fixup alc880_fixups[] = {
[ALC880_FIXUP_GPIO1] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_gpio1,
},
[ALC880_FIXUP_GPIO2] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_gpio2,
},
[ALC880_FIXUP_MEDION_RIM] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
{ 0x20, AC_VERB_SET_COEF_INDEX, 0x07 },
{ 0x20, AC_VERB_SET_PROC_COEF, 0x3060 },
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_GPIO2,
},
[ALC880_FIXUP_LG] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
/* disable bogus unused pins */
{ 0x16, 0x411111f0 },
{ 0x18, 0x411111f0 },
{ 0x1a, 0x411111f0 },
{ }
}
},
[ALC880_FIXUP_LG_LW25] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1a, 0x0181344f }, /* line-in */
{ 0x1b, 0x0321403f }, /* headphone */
{ }
}
},
[ALC880_FIXUP_W810] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
/* disable bogus unused pins */
{ 0x17, 0x411111f0 },
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_GPIO2,
},
[ALC880_FIXUP_EAPD_COEF] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
/* change to EAPD mode */
{ 0x20, AC_VERB_SET_COEF_INDEX, 0x07 },
{ 0x20, AC_VERB_SET_PROC_COEF, 0x3060 },
{}
},
},
[ALC880_FIXUP_TCL_S700] = {
.type = HDA_FIXUP_VERBS,
.v.verbs = (const struct hda_verb[]) {
/* change to EAPD mode */
{ 0x20, AC_VERB_SET_COEF_INDEX, 0x07 },
{ 0x20, AC_VERB_SET_PROC_COEF, 0x3070 },
{}
},
.chained = true,
.chain_id = ALC880_FIXUP_GPIO2,
},
[ALC880_FIXUP_VOL_KNOB] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc880_fixup_vol_knob,
},
[ALC880_FIXUP_FUJITSU] = {
/* override all pins as BIOS on old Amilo is broken */
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x0121401f }, /* HP */
{ 0x15, 0x99030120 }, /* speaker */
{ 0x16, 0x99030130 }, /* bass speaker */
{ 0x17, 0x411111f0 }, /* N/A */
{ 0x18, 0x411111f0 }, /* N/A */
{ 0x19, 0x01a19950 }, /* mic-in */
{ 0x1a, 0x411111f0 }, /* N/A */
{ 0x1b, 0x411111f0 }, /* N/A */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
{ 0x1e, 0x01454140 }, /* SPDIF out */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_VOL_KNOB,
},
[ALC880_FIXUP_F1734] = {
/* almost compatible with FUJITSU, but no bass and SPDIF */
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x0121401f }, /* HP */
{ 0x15, 0x99030120 }, /* speaker */
{ 0x16, 0x411111f0 }, /* N/A */
{ 0x17, 0x411111f0 }, /* N/A */
{ 0x18, 0x411111f0 }, /* N/A */
{ 0x19, 0x01a19950 }, /* mic-in */
{ 0x1a, 0x411111f0 }, /* N/A */
{ 0x1b, 0x411111f0 }, /* N/A */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
{ 0x1e, 0x411111f0 }, /* N/A */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_VOL_KNOB,
},
[ALC880_FIXUP_UNIWILL] = {
/* need to fix HP and speaker pins to be parsed correctly */
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x0121411f }, /* HP */
{ 0x15, 0x99030120 }, /* speaker */
{ 0x16, 0x99030130 }, /* bass speaker */
{ }
},
},
[ALC880_FIXUP_UNIWILL_DIG] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
/* disable bogus unused pins */
{ 0x17, 0x411111f0 },
{ 0x19, 0x411111f0 },
{ 0x1b, 0x411111f0 },
{ 0x1f, 0x411111f0 },
{ }
}
},
[ALC880_FIXUP_Z71V] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
/* set up the whole pins as BIOS is utterly broken */
{ 0x14, 0x99030120 }, /* speaker */
{ 0x15, 0x0121411f }, /* HP */
{ 0x16, 0x411111f0 }, /* N/A */
{ 0x17, 0x411111f0 }, /* N/A */
{ 0x18, 0x01a19950 }, /* mic-in */
{ 0x19, 0x411111f0 }, /* N/A */
{ 0x1a, 0x01813031 }, /* line-in */
{ 0x1b, 0x411111f0 }, /* N/A */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
{ 0x1e, 0x0144111e }, /* SPDIF */
{ }
}
},
[ALC880_FIXUP_ASUS_W5A] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
/* set up the whole pins as BIOS is utterly broken */
{ 0x14, 0x0121411f }, /* HP */
{ 0x15, 0x411111f0 }, /* N/A */
{ 0x16, 0x411111f0 }, /* N/A */
{ 0x17, 0x411111f0 }, /* N/A */
{ 0x18, 0x90a60160 }, /* mic */
{ 0x19, 0x411111f0 }, /* N/A */
{ 0x1a, 0x411111f0 }, /* N/A */
{ 0x1b, 0x411111f0 }, /* N/A */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
{ 0x1e, 0xb743111e }, /* SPDIF out */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_GPIO1,
},
[ALC880_FIXUP_3ST_BASE] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x01014010 }, /* line-out */
{ 0x15, 0x411111f0 }, /* N/A */
{ 0x16, 0x411111f0 }, /* N/A */
{ 0x17, 0x411111f0 }, /* N/A */
{ 0x18, 0x01a19c30 }, /* mic-in */
{ 0x19, 0x0121411f }, /* HP */
{ 0x1a, 0x01813031 }, /* line-in */
{ 0x1b, 0x02a19c40 }, /* front-mic */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
/* 0x1e is filled in below */
{ 0x1f, 0x411111f0 }, /* N/A */
{ }
}
},
[ALC880_FIXUP_3ST] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x411111f0 }, /* N/A */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_3ST_BASE,
},
[ALC880_FIXUP_3ST_DIG] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x0144111e }, /* SPDIF */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_3ST_BASE,
},
[ALC880_FIXUP_5ST_BASE] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x01014010 }, /* front */
{ 0x15, 0x411111f0 }, /* N/A */
{ 0x16, 0x01011411 }, /* CLFE */
{ 0x17, 0x01016412 }, /* surr */
{ 0x18, 0x01a19c30 }, /* mic-in */
{ 0x19, 0x0121411f }, /* HP */
{ 0x1a, 0x01813031 }, /* line-in */
{ 0x1b, 0x02a19c40 }, /* front-mic */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
/* 0x1e is filled in below */
{ 0x1f, 0x411111f0 }, /* N/A */
{ }
}
},
[ALC880_FIXUP_5ST] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x411111f0 }, /* N/A */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_5ST_BASE,
},
[ALC880_FIXUP_5ST_DIG] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x0144111e }, /* SPDIF */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_5ST_BASE,
},
[ALC880_FIXUP_6ST_BASE] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x14, 0x01014010 }, /* front */
{ 0x15, 0x01016412 }, /* surr */
{ 0x16, 0x01011411 }, /* CLFE */
{ 0x17, 0x01012414 }, /* side */
{ 0x18, 0x01a19c30 }, /* mic-in */
{ 0x19, 0x02a19c40 }, /* front-mic */
{ 0x1a, 0x01813031 }, /* line-in */
{ 0x1b, 0x0121411f }, /* HP */
{ 0x1c, 0x411111f0 }, /* N/A */
{ 0x1d, 0x411111f0 }, /* N/A */
/* 0x1e is filled in below */
{ 0x1f, 0x411111f0 }, /* N/A */
{ }
}
},
[ALC880_FIXUP_6ST] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x411111f0 }, /* N/A */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_6ST_BASE,
},
[ALC880_FIXUP_6ST_DIG] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1e, 0x0144111e }, /* SPDIF */
{ }
},
.chained = true,
.chain_id = ALC880_FIXUP_6ST_BASE,
},
[ALC880_FIXUP_6ST_AUTOMUTE] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
{ 0x1b, 0x0121401f }, /* HP with jack detect */
{ }
},
.chained_before = true,
.chain_id = ALC880_FIXUP_6ST_BASE,
},
};
static const struct hda_quirk alc880_fixup_tbl[] = {
SND_PCI_QUIRK(0x1019, 0x0f69, "Coeus G610P", ALC880_FIXUP_W810),
SND_PCI_QUIRK(0x1043, 0x10c3, "ASUS W5A", ALC880_FIXUP_ASUS_W5A),
SND_PCI_QUIRK(0x1043, 0x1964, "ASUS Z71V", ALC880_FIXUP_Z71V),
SND_PCI_QUIRK_VENDOR(0x1043, "ASUS", ALC880_FIXUP_GPIO1),
SND_PCI_QUIRK(0x147b, 0x1045, "ABit AA8XE", ALC880_FIXUP_6ST_AUTOMUTE),
SND_PCI_QUIRK(0x1558, 0x5401, "Clevo GPIO2", ALC880_FIXUP_GPIO2),
SND_PCI_QUIRK_VENDOR(0x1558, "Clevo", ALC880_FIXUP_EAPD_COEF),
SND_PCI_QUIRK(0x1584, 0x9050, "Uniwill", ALC880_FIXUP_UNIWILL_DIG),
SND_PCI_QUIRK(0x1584, 0x9054, "Uniwill", ALC880_FIXUP_F1734),
SND_PCI_QUIRK(0x1584, 0x9070, "Uniwill", ALC880_FIXUP_UNIWILL),
SND_PCI_QUIRK(0x1584, 0x9077, "Uniwill P53", ALC880_FIXUP_VOL_KNOB),
SND_PCI_QUIRK(0x161f, 0x203d, "W810", ALC880_FIXUP_W810),
SND_PCI_QUIRK(0x161f, 0x205d, "Medion Rim 2150", ALC880_FIXUP_MEDION_RIM),
SND_PCI_QUIRK(0x1631, 0xe011, "PB 13201056", ALC880_FIXUP_6ST_AUTOMUTE),
SND_PCI_QUIRK(0x1734, 0x107c, "FSC Amilo M1437", ALC880_FIXUP_FUJITSU),
SND_PCI_QUIRK(0x1734, 0x1094, "FSC Amilo M1451G", ALC880_FIXUP_FUJITSU),
SND_PCI_QUIRK(0x1734, 0x10ac, "FSC AMILO Xi 1526", ALC880_FIXUP_F1734),
SND_PCI_QUIRK(0x1734, 0x10b0, "FSC Amilo Pi1556", ALC880_FIXUP_FUJITSU),
SND_PCI_QUIRK(0x1854, 0x003b, "LG", ALC880_FIXUP_LG),
SND_PCI_QUIRK(0x1854, 0x005f, "LG P1 Express", ALC880_FIXUP_LG),
SND_PCI_QUIRK(0x1854, 0x0068, "LG w1", ALC880_FIXUP_LG),
SND_PCI_QUIRK(0x1854, 0x0077, "LG LW25", ALC880_FIXUP_LG_LW25),
SND_PCI_QUIRK(0x19db, 0x4188, "TCL S700", ALC880_FIXUP_TCL_S700),
/* Below is the copied entries from alc880_quirks.c.
* It's not quite sure whether BIOS sets the correct pin-config table
* on these machines, thus they are kept to be compatible with
* the old static quirks. Once when it's confirmed to work without
* these overrides, it'd be better to remove.
*/
SND_PCI_QUIRK(0x1019, 0xa880, "ECS", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x1019, 0xa884, "Acer APFV", ALC880_FIXUP_6ST),
SND_PCI_QUIRK(0x1025, 0x0070, "ULI", ALC880_FIXUP_3ST_DIG),
SND_PCI_QUIRK(0x1025, 0x0077, "ULI", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1025, 0x0078, "ULI", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1025, 0x0087, "ULI", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1025, 0xe309, "ULI", ALC880_FIXUP_3ST_DIG),
SND_PCI_QUIRK(0x1025, 0xe310, "ULI", ALC880_FIXUP_3ST),
SND_PCI_QUIRK(0x1039, 0x1234, NULL, ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x104d, 0x81a0, "Sony", ALC880_FIXUP_3ST),
SND_PCI_QUIRK(0x104d, 0x81d6, "Sony", ALC880_FIXUP_3ST),
SND_PCI_QUIRK(0x107b, 0x3032, "Gateway", ALC880_FIXUP_5ST),
SND_PCI_QUIRK(0x107b, 0x3033, "Gateway", ALC880_FIXUP_5ST),
SND_PCI_QUIRK(0x107b, 0x4039, "Gateway", ALC880_FIXUP_5ST),
SND_PCI_QUIRK(0x1297, 0xc790, "Shuttle ST20G5", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1458, 0xa102, "Gigabyte K8", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1462, 0x1150, "MSI", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1509, 0x925d, "FIC P4M", ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x1565, 0x8202, "Biostar", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x1695, 0x400d, "EPoX", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x1695, 0x4012, "EPox EP-5LDA", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x2668, 0x8086, NULL, ALC880_FIXUP_6ST_DIG), /* broken BIOS */
SND_PCI_QUIRK(0x8086, 0x2668, NULL, ALC880_FIXUP_6ST_DIG),
SND_PCI_QUIRK(0x8086, 0xa100, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xd400, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xd401, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xd402, "Intel mobo", ALC880_FIXUP_3ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe224, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe305, "Intel mobo", ALC880_FIXUP_3ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe308, "Intel mobo", ALC880_FIXUP_3ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe400, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe401, "Intel mobo", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0x8086, 0xe402, "Intel mobo", ALC880_FIXUP_5ST_DIG),
/* default Intel */
SND_PCI_QUIRK_VENDOR(0x8086, "Intel mobo", ALC880_FIXUP_3ST),
SND_PCI_QUIRK(0xa0a0, 0x0560, "AOpen i915GMm-HFS", ALC880_FIXUP_5ST_DIG),
SND_PCI_QUIRK(0xe803, 0x1019, NULL, ALC880_FIXUP_6ST_DIG),
{}
};
static const struct hda_model_fixup alc880_fixup_models[] = {
{.id = ALC880_FIXUP_3ST, .name = "3stack"},
{.id = ALC880_FIXUP_3ST_DIG, .name = "3stack-digout"},
{.id = ALC880_FIXUP_5ST, .name = "5stack"},
{.id = ALC880_FIXUP_5ST_DIG, .name = "5stack-digout"},
{.id = ALC880_FIXUP_6ST, .name = "6stack"},
{.id = ALC880_FIXUP_6ST_DIG, .name = "6stack-digout"},
{.id = ALC880_FIXUP_6ST_AUTOMUTE, .name = "6stack-automute"},
{}
};
/*
* OK, here we have finally the probe for ALC880
*/
static int alc880_probe(struct hda_codec *codec, const struct hda_device_id *id)
{
struct alc_spec *spec;
int err;
err = alc_alloc_spec(codec, 0x0b);
if (err < 0)
return err;
spec = codec->spec;
spec->gen.need_dac_fix = 1;
spec->gen.beep_nid = 0x01;
alc_pre_init(codec);
snd_hda_pick_fixup(codec, alc880_fixup_models, alc880_fixup_tbl,
alc880_fixups);
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
/* automatic parse from the BIOS config */
err = alc880_parse_auto_config(codec);
if (err < 0)
goto error;
if (!spec->gen.no_analog) {
err = set_beep_amp(spec, 0x0b, 0x05, HDA_INPUT);
if (err < 0)
goto error;
}
snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE);
return 0;
error:
snd_hda_gen_remove(codec);
return err;
}
static const struct hda_codec_ops alc880_codec_ops = {
.probe = alc880_probe,
.remove = snd_hda_gen_remove,
.build_controls = alc_build_controls,
.build_pcms = snd_hda_gen_build_pcms,
.init = alc_init,
.unsol_event = alc880_unsol_event,
.resume = alc_resume,
.suspend = alc_suspend,
.check_power_status = snd_hda_gen_check_power_status,
.stream_pm = snd_hda_gen_stream_pm,
};
/*
* driver entries
*/
static const struct hda_device_id snd_hda_id_alc880[] = {
HDA_CODEC_ID(0x10ec0880, "ALC880"),
{} /* terminator */
};
MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_alc880);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek ALC880 HD-audio codec");
MODULE_IMPORT_NS("SND_HDA_CODEC_REALTEK");
static struct hda_codec_driver alc880_driver = {
.id = snd_hda_id_alc880,
.ops = &alc880_codec_ops,
};
module_hda_codec_driver(alc880_driver);