LXR linux/sound/pci/hda/patch

   1/*
   2 * HD audio interface patch for Creative X-Fi CA0110-IBG chip
   3 *
   4 * Copyright (c) 2008 Takashi Iwai <tiwai@suse.de>
   5 *
   6 *  This driver is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2 of the License, or
   9 *  (at your option) any later version.
  10 *
  11 *  This driver is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, write to the Free Software
  18 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 */
  20
  21#include <linux/init.h>
  22#include <linux/slab.h>
  23#include <linux/module.h>
  24#include <sound/core.h>
  25#include "hda_codec.h"
  26#include "hda_local.h"
  27#include "hda_auto_parser.h"
  28#include "hda_jack.h"
  29#include "hda_generic.h"
  30
  31
  32static const struct hda_codec_ops ca0110_patch_ops = {
  33        .build_controls = snd_hda_gen_build_controls,
  34        .build_pcms = snd_hda_gen_build_pcms,
  35        .init = snd_hda_gen_init,
  36        .free = snd_hda_gen_free,
  37        .unsol_event = snd_hda_jack_unsol_event,
  38};
  39
  40static int ca0110_parse_auto_config(struct hda_codec *codec)
  41{
  42        struct hda_gen_spec *spec = codec->spec;
  43        int err;
  44
  45        err = snd_hda_parse_pin_defcfg(codec, &spec->autocfg, NULL, 0);
  46        if (err < 0)
  47                return err;
  48        err = snd_hda_gen_parse_auto_config(codec, &spec->autocfg);
  49        if (err < 0)
  50                return err;
  51
  52        return 0;
  53}
  54
  55
  56static int patch_ca0110(struct hda_codec *codec)
  57{
  58        struct hda_gen_spec *spec;
  59        int err;
  60
  61        spec = kzalloc(sizeof(*spec), GFP_KERNEL);
  62        if (!spec)
  63                return -ENOMEM;
  64        snd_hda_gen_spec_init(spec);
  65        codec->spec = spec;
  66        codec->patch_ops = ca0110_patch_ops;
  67
  68        spec->multi_cap_vol = 1;
  69        codec->bus->needs_damn_long_delay = 1;
  70
  71        err = ca0110_parse_auto_config(codec);
  72        if (err < 0)
  73                goto error;
  74
  75        return 0;
  76
  77 error:
  78        snd_hda_gen_free(codec);
  79        return err;
  80}
  81
  82
  83/*
  84 * patch entries
  85 */
  86static const struct hda_device_id snd_hda_id_ca0110[] = {
  87        HDA_CODEC_ENTRY(0x1102000a, "CA0110-IBG", patch_ca0110),
  88        HDA_CODEC_ENTRY(0x1102000b, "CA0110-IBG", patch_ca0110),
  89        HDA_CODEC_ENTRY(0x1102000d, "SB0880 X-Fi", patch_ca0110),
  90        {} /* terminator */
  91};
  92MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_ca0110);
  93
  94MODULE_LICENSE("GPL");
  95MODULE_DESCRIPTION("Creative CA0110-IBG HD-audio codec");
  96
  97static struct hda_codec_driver ca0110_driver = {
  98        .id = snd_hda_id_ca0110,
  99};
 100
 101module_hda_codec_driver(ca0110_driver);
 102