/* * Universal Interface for Intel High Definition Audio Codec * * HD audio interface patch for C-Media CMI9880 * * Copyright (c) 2004 Takashi Iwai * * * 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 #include #include #include #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; } 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, &_kctl)) { err = -ENOMEM; goto error; } } return 0; error: snd_hda_gen_free(codec); return err; } /* * 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); /a>/cfsrvl.h
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