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d0fa1179e3
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 18 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190520170857.186505395@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* HD audio interface patch for C-Media CMI9880
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*
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/hda_codec.h>
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#include "hda_local.h"
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#include "hda_auto_parser.h"
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#include "hda_jack.h"
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#include "hda_generic.h"
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struct cmi_spec {
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struct hda_gen_spec gen;
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};
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/*
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* stuff for auto-parser
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*/
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static const struct hda_codec_ops cmi_auto_patch_ops = {
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.build_controls = snd_hda_gen_build_controls,
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.build_pcms = snd_hda_gen_build_pcms,
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.init = snd_hda_gen_init,
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.free = snd_hda_gen_free,
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.unsol_event = snd_hda_jack_unsol_event,
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};
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static int patch_cmi9880(struct hda_codec *codec)
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{
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struct cmi_spec *spec;
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struct auto_pin_cfg *cfg;
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int err;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (spec == NULL)
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return -ENOMEM;
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codec->spec = spec;
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codec->patch_ops = cmi_auto_patch_ops;
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cfg = &spec->gen.autocfg;
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snd_hda_gen_spec_init(&spec->gen);
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
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if (err < 0)
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goto error;
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err = snd_hda_gen_parse_auto_config(codec, cfg);
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if (err < 0)
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goto error;
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return 0;
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error:
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snd_hda_gen_free(codec);
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return err;
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}
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static int patch_cmi8888(struct hda_codec *codec)
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{
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struct cmi_spec *spec;
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struct auto_pin_cfg *cfg;
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int err;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (!spec)
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return -ENOMEM;
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codec->spec = spec;
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codec->patch_ops = cmi_auto_patch_ops;
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cfg = &spec->gen.autocfg;
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snd_hda_gen_spec_init(&spec->gen);
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/* mask NID 0x10 from the playback volume selection;
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* it's a headphone boost volume handled manually below
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*/
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spec->gen.out_vol_mask = (1ULL << 0x10);
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err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0);
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if (err < 0)
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goto error;
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err = snd_hda_gen_parse_auto_config(codec, cfg);
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if (err < 0)
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goto error;
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if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) ==
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AC_JACK_HP_OUT) {
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static const struct snd_kcontrol_new amp_kctl =
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HDA_CODEC_VOLUME("Headphone Amp Playback Volume",
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0x10, 0, HDA_OUTPUT);
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if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &_kctl)) {
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err = -ENOMEM;
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goto error;
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}
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}
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return 0;
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error:
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snd_hda_gen_free(codec);
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return err;
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}
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/*
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* patch entries
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*/
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static const struct hda_device_id snd_hda_id_cmedia[] = {
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HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888),
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HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880),
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HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880),
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{} /* terminator */
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};
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MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("C-Media HD-audio codec");
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static struct hda_codec_driver cmedia_driver = {
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.id = snd_hda_id_cmedia,
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};
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module_hda_codec_driver(cmedia_driver);
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