sound/hda/codecs/realtek/alc262.c

Source file repositories/reference/linux-study-clean/sound/hda/codecs/realtek/alc262.c

File Facts

System
Linux kernel
Corpus path
sound/hda/codecs/realtek/alc262.c
Extension
.c
Size
5521 bytes
Lines
214
Domain
Driver Families
Bucket
sound/hda
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-or-later
//
// Realtek ALC262 codec
//

#include <linux/init.h>
#include <linux/module.h>
#include "realtek.h"

static int alc262_parse_auto_config(struct hda_codec *codec)
{
	static const hda_nid_t alc262_ignore[] = { 0x1d, 0 };
	static const hda_nid_t alc262_ssids[] = { 0x15, 0x1b, 0x14, 0 };
	return alc_parse_auto_config(codec, alc262_ignore, alc262_ssids);
}

/*
 * Pin config fixes
 */
enum {
	ALC262_FIXUP_FSC_H270,
	ALC262_FIXUP_FSC_S7110,
	ALC262_FIXUP_HP_Z200,
	ALC262_FIXUP_TYAN,
	ALC262_FIXUP_LENOVO_3000,
	ALC262_FIXUP_BENQ,
	ALC262_FIXUP_BENQ_T31,
	ALC262_FIXUP_INV_DMIC,
	ALC262_FIXUP_INTEL_BAYLEYBAY,
};

static const struct hda_fixup alc262_fixups[] = {
	[ALC262_FIXUP_FSC_H270] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x14, 0x99130110 }, /* speaker */
			{ 0x15, 0x0221142f }, /* front HP */
			{ 0x1b, 0x0121141f }, /* rear HP */
			{ }
		}
	},
	[ALC262_FIXUP_FSC_S7110] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x15, 0x90170110 }, /* speaker */
			{ }
		},
		.chained = true,
		.chain_id = ALC262_FIXUP_BENQ,
	},
	[ALC262_FIXUP_HP_Z200] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x16, 0x99130120 }, /* internal speaker */
			{ }
		}
	},
	[ALC262_FIXUP_TYAN] = {
		.type = HDA_FIXUP_PINS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x14, 0x1993e1f0 }, /* int AUX */
			{ }
		}
	},
	[ALC262_FIXUP_LENOVO_3000] = {
		.type = HDA_FIXUP_PINCTLS,
		.v.pins = (const struct hda_pintbl[]) {
			{ 0x19, PIN_VREF50 },
			{}
		},
		.chained = true,
		.chain_id = ALC262_FIXUP_BENQ,
	},
	[ALC262_FIXUP_BENQ] = {
		.type = HDA_FIXUP_VERBS,
		.v.verbs = (const struct hda_verb[]) {
			{ 0x20, AC_VERB_SET_COEF_INDEX, 0x07 },
			{ 0x20, AC_VERB_SET_PROC_COEF, 0x3070 },
			{}
		}
	},
	[ALC262_FIXUP_BENQ_T31] = {
		.type = HDA_FIXUP_VERBS,
		.v.verbs = (const struct hda_verb[]) {
			{ 0x20, AC_VERB_SET_COEF_INDEX, 0x07 },
			{ 0x20, AC_VERB_SET_PROC_COEF, 0x3050 },
			{}
		}
	},
	[ALC262_FIXUP_INV_DMIC] = {

Annotation

Implementation Notes