cregit-Linux how code gets into the kernel

Release 4.17 sound/pci/hda/patch_cmedia.c

Directory: sound/pci/hda
/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for C-Media CMI9880
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *
 *  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
 */

#include <linux/init.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"
#include "hda_generic.h"


struct cmi_spec {
	
struct hda_gen_spec gen;
};

/*
 * stuff for auto-parser
 */

static const struct hda_codec_ops cmi_auto_patch_ops = {
	.build_controls = snd_hda_gen_build_controls,
	.build_pcms = snd_hda_gen_build_pcms,
	.init = snd_hda_gen_init,
	.free = snd_hda_gen_free,
	.unsol_event = snd_hda_jack_unsol_event,
};


static int patch_cmi9880(struct hda_codec *codec) { struct cmi_spec *spec; struct auto_pin_cfg *cfg; int err; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (spec == NULL) return -ENOMEM; codec->spec = spec; codec->patch_ops = cmi_auto_patch_ops; cfg = &spec->gen.autocfg; snd_hda_gen_spec_init(&spec->gen); err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); if (err < 0) goto error; err = snd_hda_gen_parse_auto_config(codec, cfg); if (err < 0) goto error; return 0; error: snd_hda_gen_free(codec); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Takashi Iwai6751.94%787.50%
Jaroslav Kysela6248.06%112.50%
Total129100.00%8100.00%


static int patch_cmi8888(struct hda_codec *codec) { struct cmi_spec *spec; struct auto_pin_cfg *cfg; int err; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (!spec) return -ENOMEM; codec->spec = spec; codec->patch_ops = cmi_auto_patch_ops; cfg = &spec->gen.autocfg; snd_hda_gen_spec_init(&spec->gen); /* mask NID 0x10 from the playback volume selection; * it's a headphone boost volume handled manually below */ spec->gen.out_vol_mask = (1ULL << 0x10); err = snd_hda_parse_pin_defcfg(codec, cfg, NULL, 0); if (err < 0) goto error; err = snd_hda_gen_parse_auto_config(codec, cfg); if (err < 0) goto error; if (get_defcfg_device(snd_hda_codec_get_pincfg(codec, 0x10)) == AC_JACK_HP_OUT) { static const struct snd_kcontrol_new amp_kctl = HDA_CODEC_VOLUME("Headphone Amp Playback Volume", 0x10, 0, HDA_OUTPUT); if (!snd_hda_gen_add_kctl(&spec->gen, NULL, &amp_kctl)) { err = -ENOMEM; goto error; } } return 0; error: snd_hda_gen_free(codec); return err; }

Contributors

PersonTokensPropCommitsCommitProp
Takashi Iwai200100.00%2100.00%
Total200100.00%2100.00%

/* * patch entries */ static const struct hda_device_id snd_hda_id_cmedia[] = { HDA_CODEC_ENTRY(0x13f68888, "CMI8888", patch_cmi8888), HDA_CODEC_ENTRY(0x13f69880, "CMI9880", patch_cmi9880), HDA_CODEC_ENTRY(0x434d4980, "CMI9880", patch_cmi9880), {} /* terminator */ }; MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cmedia); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("C-Media HD-audio codec"); static struct hda_codec_driver cmedia_driver = { .id = snd_hda_id_cmedia, }; module_hda_codec_driver(cmedia_driver);

Overall Contributors

PersonTokensPropCommitsCommitProp
Takashi Iwai37178.27%1381.25%
Jaroslav Kysela10021.10%212.50%
Paul Gortmaker30.63%16.25%
Total474100.00%16100.00%
Directory: sound/pci/hda
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.